Follow Slashdot blog updates by subscribing to our blog RSS feed

 



Forgot your password?
typodupeerror
×
China Earth Power

Climate Crisis Forces China To Ration Electricity (theguardian.com) 152

Provinces in China are being forced to reduce power consumption as forest fires, droughts, and heatwaves ravage the country. The Guardian reports: here were still some streetlights on the Bund, one of the main roads in central Shanghai. But the decorative lights which light up the city skyline -- blue, pink, and red -- were turned off for two days to cope with the peaking power demand. The power restriction imposed by the city authorities, was the first in Shanghai, the financial hub of China. But across the rest of the country similar restrictions have been put in place, as cities, notably in the south-western region, grapple with ongoing power shortages caused by devastating droughts this summer.

In Sichuan, a top-level energy emergency alert was issued to address the province's power shortages, a first in the province's history: the alert means that residents will be given priority for power supplies. Sichaun is known for its abundant hydro energy, which provides 80% of its power, and is a vital link in China's extensive West-to-East Electricity Transfer Project. But the area has been hit by record-breaking high temperatures, unseen in 60 years. With water in the region's rivers dropping to historical lows, hydropower plants are only producing half the energy they were generating this time last year.

Sichuan had already imposed rolling blackouts across factories, and international companies have had to halt production, while the coal-fired plants are all at full stretch. But even so, cities around Sichuan are struggling to meet surging power demands from residential communities, with people's daily lives being heavily affected. In Dazhou, residents in one community complain that power supplies have been cut for 6-7 hours each day for nearly a week, leaving many flocking to a nearby bridge in the evening to beat the sweltering summer heat, according to Jiupai News. Private business owners are also hit hard as power supplies are rationed among communities and shopping malls.
Business activities and supply chains are being hit in various ways. "The price of commodities such as silicon metal has risen due to the power restrictions, and there are growing concerns about a shortage of automobile parts in Shanghai for companies including the Shanghai Automotive Industry Corporation and Tesla," reports The Guardian.
This discussion has been archived. No new comments can be posted.

Climate Crisis Forces China To Ration Electricity

Comments Filter:
  • by Camembert ( 2891457 ) on Wednesday August 31, 2022 @05:17AM (#62838945)
    This will will happen more and more often, and not only in China. I can only hope for more international decisiveness to tackle global warming, being probably the biggest challenge of the century.
    • by drinkypoo ( 153816 ) <drink@hyperlogos.org> on Wednesday August 31, 2022 @05:22AM (#62838951) Homepage Journal

      Yep. It's been driving me nuts that people in other states have been pointing and laughing at California, not because they're mean, but because they're stupid. How did they not get that the same shit would start happening in other states? The ones that still have trees, anyway. They wasted their wake-up call mocking the misfortune of others.

      • by iAmWaySmarterThanYou ( 10095012 ) on Wednesday August 31, 2022 @06:38AM (#62839081)

        California has plenty of water _if_ they stop wasting so much of it growing water crops in a high plains desert environment. Over 90% of California water goes to farming. In a desert. Insane.

        The lakes didn't drain themselves. They were drained by people, mostly for farming cash crops.

        I lived in California most of my life. What gets farmed, how much water it uses, etc is not a secret. They just need to stop being stupid wastrels.

        • California has plenty of water _if_ they stop wasting so much of it growing water crops in a high plains desert environment. Over 90% of California water goes to farming. In a desert. Insane.

          I agree that California's water use is insane, but I'm not sure we'd have plenty of water even if we weren't being so wasteful. We've been working pretty hard to deplete aquifers, too.

          • by iAmWaySmarterThanYou ( 10095012 ) on Wednesday August 31, 2022 @07:28AM (#62839193)

            Yes the aquifers are getting drained as part of the same stupidly insane water mismanagement policies.

            Here are rough numbers for where California water goes. Numbers will vary a bit each year but this is close enough for discussion:

            Farming: 92%
            All residential use: 2-3%
            All industrial use:3-4%
            The rest is lossage to leaks, evaporation, etc and other unspecified stuff I couldn't identify through researching the topic.

            Tell me that reducing farm usage by only 5-10% wouldn't have a dramatic impact on water availability.
            Tell me that there isn't an easily identified 5-10% wasted water easily recovered by ceasing stupid nonsense crops.

            California has plenty of water -if- they stop being dumb.

            • by HiThere ( 15173 )

              You say "stupid nonsense crops", and you've got a point. But some of those are the ones that bring in a lot of money. What do you plan to replace them with, that will also bring in a lot of money? Nopales is a really niche market.

              FWIW, I'd recommend figs, but it takes a fig tree a long time to become really productive, and the fig wasps are prohibited imports. So you can't breed them. And, really, the market for figs would be really easy to saturate. So what else?

              • You say "stupid nonsense crops", and you've got a point. But some of those are the ones that bring in a lot of money.

                The ones that use the most water per unit of food produced (almonds and rice) also produce very little in tax revenues total, and also very little profit per unit of water used. It does however produce 100,000 jobs (alleged anyway) so that does raise some additional questions.

              • by skam240 ( 789197 )

                There are some real easy ones to move like rice and alfalfa as well though. Neither grow on trees so no time lost growing new ones and both of those use more water then our much maligned almonds and bring in far less money so they should be easy moves out of the state.

            • Numbers will vary a bit each year but this is close enough for discussion:

              Not a bit. In some places, farmer allocation is reduced to 10% of normal during droughts.

          • by Antique Geekmeister ( 740220 ) on Wednesday August 31, 2022 @07:41AM (#62839217)

            Look up the water use of growing almonds. It's more than one gallon of fresh for one almond, but California continues to produce them as a primary cash crop. Apparently the almond crop uses as much water as the entire city of Los Angeles. Switching the farms to olives, grapes, or oranges could cause some very real problems for a time, and change the availability of popular foods, but reduce the state's fresh water consumption profoundly.

            • by TuballoyThunder ( 534063 ) on Wednesday August 31, 2022 @08:37AM (#62839375)
              A large segment of the population would freak the f**k out if they couldn't have almond milk. One of the worst products on the market when it comes to resource impact.
              • by chthon ( 580889 )

                We switched to oat milk and soya milk, also halving our cow milk consumption. Although I like making kefir and yoghurt, and probably cheese in the future.

              • by self-inflicted ( 6168820 ) on Wednesday August 31, 2022 @10:39AM (#62839691)
                For people who can't or won't take dairy, it definitely tastes way better than oat milk. When trying to take resource consumption into account and comparing it with cow's milk, there are wildly different studies out there, some saying cow's milk takes almost double the water to produce and others saying almond milk takes 17x more, in one case within the same article (LOL). Whichever holds true would obviously change the debate, but I don't trust any of the sources I turned up on a quick search and I'm not wasting more time on it.

                Regardless, it's clearly not the right crop for CA, and should probably be looked at as a treat rather than a staple for those who enjoy it.

                Beyond almonds, though, the bigger problem is ridiculous historical water rights for wealthy agribusiness families written into various state constitutions, which any change to will be fought with big money PR campaigns about 'gubmint tryinta wreck goodguy farmin lifelihoods' or some similar bullshit the public will easily be fooled by. There will be quite a few more catastrophes before they figure out how to fix this, if they ever do.

                [We will soon have the option to harvest our farts, so we can post & comment on stats about them.]
            • by gawbl ( 941021 )
              Actually, the CA almond crop apparently uses about 3X the residential water used in southern CA:

              https://onthepublicrecord.org/2022/05/20/what-it-would-have-meant-to-take-action-in-2015/

            • That 1 gallon per almond stat is based on global average, and is less in California, especially with more modern farming techniques using drip irrigation. Water usage for almonds has been dropping and will continue to drop. Certainly it could use less, and certainly we don't should stop eating all the almonds we do since consumption has skyrocketed in the last 50 years or so. The reason there are so many almonds is because of the massive demand for them and the high price. We could go the government route

              • by gawbl ( 941021 )
                Regardless, but if we're forced to choose between almonds and water to take showers, wash laundry, and flush toilets, the choice is easy to make.

                Almonds are a benefit, but all the monetary benefits of almonds accrue to a few rich farmers; personally, I would prioritize the millions of people in southern California.

                When you factor in the price of water, it seems unfair to sell enormous amounts of water to almond farmers at a huge discount. If the almond farmers had to pay the market price for their water

            • If the almond farmers and alfalfa farmers were forced to pay market rate for their water, they would stop doing this.

              Anyway, most of them are hard core "starve-the-beast, taxation is theft" believers. So Government oblige them by getting out of their way. No more tax payer subsidized water.

        • by nugatory78 ( 971318 ) on Wednesday August 31, 2022 @07:15AM (#62839167)
          Another complicating factor is that the period they measured to determine the water allocation, was the wettest period in hundreds of years.

          "The new research also confirms that using stream gauge records alone may overestimate the average amount of water in the river because the last 100-year period was wetter than the average for the last five centuries..... The long-term perspective provided by tree-ring reconstructions points to a looming conflict between water demand and supply in the upper Colorado River basin," the researchers wrote in their report." https://news.arizona.edu/story... [arizona.edu]
          • by HiThere ( 15173 )

            That conflict has been happening for decades. Arizona, New Mexico, California, Utah, Nevada, and, Mexico are all clamoring for a larger share of the water. https://crsreports.congress.go... [congress.gov]

            But, yeah, when the water levels are lower, the arguments get worse.

        • There is some high plains desert farming, but not nearly so much as in Arizona. Most California farming is not in a desert, but in San Joaquin valley, Sacramento valley, Salinas valley, etc. They have water problems too, but not for bigh high plains or desert.

      • Re: (Score:2, Interesting)

        by Luckyo ( 1726890 )

        This is literally the same problem that felled dynasties that ruled area around those rivers millenia ago. It's the exact same problem that felled dynasties that ruled area around those rivers hundreds of years ago.

        This is because of extreme instability of seasonal flows of those rivers. It's where the Chinese concept of "Heaven's Mandate" comes from". And while you found Chinese Communist propaganda trying to avoid the obvious connotations this time when it's failed to do the same by absolutely spamming ev

        • by timeOday ( 582209 ) on Wednesday August 31, 2022 @08:46AM (#62839391)
          Instability of seasonal flows isn't the half of it:

          "The extreme heat and drought that has been roasting a vast swath of southern China for at least 70 straight days has no parallel in modern record-keeping in China, or elsewhere around the world for that matter."

          "I can't think of anything comparable to China's heat wave of summer 2022 in its blend of intensity, duration, geographic extent and number of people affected," meteorologist Bob Henson, a contributor to Yale Climate Connections, told Axios.

          source [axios.com]

    • heh, well in response to the lack of hydropower guess what... coal use is surging! https://www.nytimes.com/2022/0... [nytimes.com] Massive degrowth is the only answer but humans will never go for it.
      • by Luckyo ( 1726890 )

        See, this is China. They already had genocide of hundreds of millions, and they're having an ongoing one of millions.

        But even they balk at pro-genocide advocates like you, who think that the main problem with those is that they just didn't kill off enough people to save Mother Gaia. Amen.

        • Smoked a bit too much crack this morning?
          • by sfcat ( 872532 )

            Smoked a bit too much crack this morning?

            Wow, just wow. You just advocated for the removal of billions of humans from the planet and when called out on that your response is that the other side is crazy. Perhaps try to think through the end result of what you are advocating for. You are not very far from literal Nazis and their policies. It isn't a Godwin when you are actually arguing for a genocide.

    • by Luckyo ( 1726890 )

      This has happened in China countless times during it's history. Controlling erratic river flows is what dynasties got built around and when nature overwhelmed the efforts was when dynasties fell.

      It was integral to the modern concept of "Heaven's Mandate" that every Chinese ruler, including current one has to contend with. "This is totally a new thing, and climate change is solely to blame" is simply the latest propaganda narrative on the problem that persisted for millenia, and is likely to persist long in

      • by HiThere ( 15173 )

        It's not just China. All over the world civilizations have collapsed when a climate change caused extended crop failures.

        Somehow I don't find saying "it's happened before" very reassuring. This time we've got a different answer to "fixing the problem" than just praying harder, but a lot of people don't seem to like that. So we may end up with a civilization collapse. Like the Mayans, the Chinese, the Anasazi, the...

    • by 2TecTom ( 311314 )

      ... I can only hope for more international decisiveness to tackle global warming, being probably the biggest challenge of the century.

      We don't need 'international decisiveness', we need personal action at the local level. This isn't someone else, this is us; and this is on us.

      Everyone of us needs to change and the change we need is conservation. We individually need to conserve our resources and not squander them in self-indulgence.

      The hardest things are self-honesty and self-restraint. If we as individuals continue to remain in denial, nothing can change. If we as individuals do not chnge, nothing can or will ever change.

      The powerful do

      • by sfcat ( 872532 )
        What a wonderful sounding message, too bad it is complete nonsense. Do you control the types of plastics that your food is packaged in? Do you control how your car is built? Do you control how your energy is generated? Probably not. The solutions to global warming and sustainability are found in those types of decisions and individuals don't really control those. Either we build energy sources that don't make CO2 and make enough power (which basically means nuclear) or we generate that power with foss
    • World population more than doubled in the last 50 years so, yes, rationing will happen more and more often.
    • Places with the densest populations will suffer most and earliest. It sounds cold, but if the countries with the highest populations and densest concentrations were mostly wiped out, that would solve most of the climate issues.

  • by Opportunist ( 166417 ) on Wednesday August 31, 2022 @05:33AM (#62838967)

    China has about 17% hydro power in total. If droughts are the main culprit, we'd have already seen way, way worse reports from Norway (91% hydro power), Brazil (65% hydro), Canada (60%) and Sweden (43%).

    Droughts are a pretty much global problem right now, some places already have no working water supply anymore, in other places the polluted river seep into the groundwater supplies (instead of the other way around, as it normally flows if there are high enough groundwater levels).

    • by K. S. Kyosuke ( 729550 ) on Wednesday August 31, 2022 @05:50AM (#62839001)

      If droughts are the main culprit, we'd have already seen way, way worse reports from Norway (91% hydro power), Brazil (65% hydro), Canada (60%) and Sweden (43%).

      I strongly suspect that may have something to do with actual utilization of resources. For example Norway has such huge hydroelectric potential relative to its limited population that even if something shrank it, it seems far from obvious that this would lead to a decrease in production. Furthermore, in case of Norway, climate change seems to be *increasing* rainfall in Norway. [hydropower.org]

    • Re: (Score:2, Informative)

      by Anonymous Coward
      South of Norway has significant problems with droughts affecting hydro power production. (Source [translate.goog]
    • by gtall ( 79522 )

      Ya, because a drought in China is just the same as a drought in Norway. More importantly, it depend upon WHERE in a country the drought is occurring.

    • by thegarbz ( 1787294 ) on Wednesday August 31, 2022 @07:35AM (#62839205)

      China has about 17% hydro power in total. If droughts are the main culprit, we'd have already seen way, way worse reports from Norway

      Let me stop you right there. Hydropower varies greatly as do nation's electricity grids. Some hydro power is build with slow filling reservoirs, others with relatively large flow rates. The former is able to absorb a long period without the expected rainfall (e.g. most of Norway), the latter is not.

      The other difference is electricity grid and location. Norway has an interconnected grid, along with connections to neighboring countries. China has lots of smaller grids. A hydro powerplant going down in Norway won't result in any lights going off. A hydro powerplant going down in China has a huge affect within the local province. 19% of China's power may be Hydroelectric, but Sichuan (one of the primary provinces the article is about) it's 80%, and that province has a single pathetically small interconnect to only one neighbouring province.

      So next time you think you're smarter than the world around you, consider that you may not have the full picture of what is going on, or at least RTFS.

      • Wow, did I poop in your breakfast cereals? All I wanted to have is an explanation why this would be a problem for China and not for other nations that depend on hydroelectricity to a far greater extent.

    • by AmiMoJo ( 196126 )

      China is a huge country. It's entirely possible for them to have plenty of water in one part and not enough in another. You will also note that those countries you mention are mostly fairly far north, except Brazil which is just south of the equator. China is between the two groups, and doesn't share the same wind patterns or climate, so it's easily possible for them to have some droughts while the others are still doing fine for power generation.

      • China had uneven distribution of water, and Chinese government has been redistributing water and stupendous scale for several centuries. It has canals connecting its mighty rivers. People talk about Great Wall of China. But even more impressive is its Grand Canals [wikipedia.org]
        • by HiThere ( 15173 )

          When you're distributing water via a canal, the water will generally already be in a low potential energy state. Shipping the water from mountain top to mountain top is quite a bit more difficult.

    • by Luckyo ( 1726890 )

      Norway's problems are mainly about having nation state is that geographically very difficult to traverse in north-south direction. So they have their main grid split into two parts, north and south, that have very little interconnects. Instead they're plugged into Sweden, which is used as a medium of balancing.

      There's now dryer than usual summer in Southern Norway and wetter than usual in Northern Norway, and due to the way geography works, much of Sweden's hydro is in the similar situation to one in Norweg

  • by ickleberry ( 864871 ) <web@pineapple.vg> on Wednesday August 31, 2022 @05:36AM (#62838971) Homepage
    Only due to Putin not climate change. Putin will be lauded as a climate change hero in years to come, Europe had no reason to come off gas until Putin started squeezing the supply
    • Putin will be lauded as a climate change hero in years to come

      I'd love to hear that European nations have decided to build new offshore wind capacity or solar or nuclear power plants, to move off gas, but all I'm hearing is about building new capacity to import gas from other places (liquid gas terminals in the North and pipelines through the Mediterranean in the South).

      If Russia loses the war, Ukraine will start drilling into the sea of Azov to explore the large gas reserves (which are the real reason for the war), Europe will be happy to be back to normal and Ukrain

      • by Quantum gravity ( 2576857 ) on Wednesday August 31, 2022 @09:01AM (#62839423)
        The countries around the Baltic Sea like Finland, Germany, Poland, etc. signed an agreement in Copenhagen yesterday, with the goal of at least 19.6 gigawatts of wind power in the Baltic by 2030, which is a sevenfold increase.
      • Hornsea 2 came online today. As others have noted, lots of stuff is planned. The largest wind turbine builder in the world is in Europe. Europe hosts two of the top five. So if you haven't heard, maybe you haven't looked.
        • by HiThere ( 15173 )

          I think it may be a question of quantities. Last I checked wind power was a small enough contributor to the total energy use that even a large percentage increase wouldn't make it significant. Only if that large percentage increase continued over a number of years, or perhaps decades.

          If you want large percentage increases, look at undersea turbines. (Don't know about recently.) Awhile back there was in increase of over 1000%. It's just that it was starting off of a REALLY low base.

          • by q_e_t ( 5104099 )

            I think it may be a question of quantities. Last I checked wind power was a small enough contributor to the total energy use that even a large percentage increase wouldn't make it significant.

            Some countries in Europe are on nearly 100% renewables (it's not just wind). Prior to Hornsea 2 the UK was averaging around 20% wind power, but with Hornsea it will average greater, but don't ask me what - I'd need to work it out. Hornsea 2 is not the end - even bigger projects are ongoing for the UK and Europe as a whole.

            It's just that it was starting off of a REALLY low base.

            Wind started at a really low base, but that was three decades ago.

    • by thegarbz ( 1787294 ) on Wednesday August 31, 2022 @07:39AM (#62839211)

      Europe had no reason to come off gas

      Gas is hardly an issue. Switching a large portion of power production from oil/coal/lignite *to* gas is precisely what has driven much of the CO2 reduction in the power industry, bonus points for gas plants generally being able to react faster to load changes and supporting a transition to intermittent green energy.

      There is nothing good about removing gas for carbon quickly. Putin's efforts is doing orders of magnitude more damage as coal plants are being fired up wherever possible to compensate for the loss of gas, all the while derailing meaningful efforts to decarbonise with the current crisis focused solely on building new gas storage facilities and import terminals.

      • by HiThere ( 15173 )

        Gas is better than coal, but it's still too carbon intensive unless you're satisfied with a 4-5C warming. (We've already committed ourselves to more than 2C warming. There's no plausible scenario bar nuclear war that will prevent that.)

    • by AmiMoJo ( 196126 )

      Europe has other problems as well as gas. A lot of nuclear is suffering from the prolonged heat, for example.

      The only technologies that are climate-proof and low carbon/pollution are wind, solar, hydro and tidal. Those are the only ones that can secure Europe's future.

      • by HiThere ( 15173 )

        And NONE of those are climate proof. What they are is resistant to the expected climate changes. (Except for hydro, which is pretty iffy in the long term.) And you left out geo-thermal, which actually *is* quite resistant to pretty much all plausible climate changes.

  • Every weather event now is attributed to something called climate change, but there is never any analysis of what exactly the causal chain is.

    There appears to have been a fairly small rise in global average temperatures over the last 50 years. Around 1C since about 1960.

    So how exactly has this led to the current drought in China? And also led to the current floods in Pakistan? And supposedly led to the recent heat waves in Europe (which occurred simultaneously with lower than usual temps in Eastern Europ

    • by IdanceNmyCar ( 7335658 ) on Wednesday August 31, 2022 @05:56AM (#62839015)

      Oh there is science. Plus, it's the kind of science you can explain to primary school students with basic understanding of geography and rain shadows.

      Since, I don't want to deal with you much I will give you the gist.

      The hotter air gets, the more moisture it can carry. However, most of that moisture won't be loss until a significant force causes the temperature drop.

      There are mountains in Chongqing but not that big and it's a huge heat island as a mega city. So the moisture will pass by it, losing very little. Same for Chengdu and Sichuan. Then it will make it up onto the Tibetan plateau or it's edge where it will see this huge altitude change and this a temperature drop. Guess where their are floods in China right now? Bingo, Qinghai... wear some villages are being buried by mud slides.

      Same thing in Pakistan, moisture passes over all of India which is having a drought but when it gets to northern Pakistan, again on the edge of Himalayas and Tibetan plateau, bam, out drops all rain.

      This isn't even as hard as geometry or algebra, you can do experiments that teach this stuff with a bike pump and a coke bottle...

      Also, just to through it in, temperature swings with the night and day cycle as well as the winds. Stronger winds are generally around dusk when inland during the seasons of fall and spring. There are afternoon showers and night time storms... Why do we often refer to these, because afternoon the temperature starts dropping and night is when we have the lowest temperature. So the afternoon showers Sichuan should get, instead are pushed by gusts and become night time storms in Qinghai... Why because as you seem to clearly understand, it's averaging 1C higher but if we consider the regions in question they are actually seeing 3C to 5C hotter temperatures...

      • > However, most of that moisture won't be loss until a significant force causes the temperature drop.

        At a given concentration. If Antarctica melts again that concentration is expected to increase, along with cloudy days (much to my sun-loving dismay).

        • Why would Antarctica melting increase humidity throughout the world? It will lead to sea level rise which will make cause some existing land to be submerged. The only increased humidity effect of which I can can think is being closer to the ocean. But ocean-induced humidity drops off a few tens of kilometers from the coast. Wouldn't most of that melted ice will be saltwater? These are real questions not rhetorical as it's something I don't know much about.
          • There is probably more to it, but I imagine the increased surface area of the ocean in hot areas increases total evaporation, putting more moisture into the air.
        • Right, it is at a given concentration but that's only achieved in relationship to the temperature. When we talk about icecaps melting the next conclusion is a rise in temperature which just means the water likely will go more inland.

          I think this is one of the reasons why "global warming" has been replaced in general language. Is referring to an average like this misses the real details. "Climate change" even fails which is why my favorite is "global weirding". Wet places will get deadly dry, dry places will

      • What observations would disprove significant anthropogenic climate change? And how would the lack of those observations exclude all other alternatives?

        Everything you cite could occur with natural climate change. Show me the necessary and sufficient falsifiable hypothesis before you claim you're doing science :)

      • by Budenny ( 888916 )

        Understand all this. But you are not showing that the present drought in China is caused by the same phenomena which underlie the recent 1C rise in global average temperatures. Nor for that matter is anyone showing a causal connexion between the recent 1C rise and this summer's extreme rainfall in Pakistan.

        What it would take?

        You would have to show that the rise in mean global temps is due to some circumstance which, in local manifestation, can be evidentially linked to the drought or the heavy monsoon.

        As

    • by gtall ( 79522 )

      "never any analysis of what exactly the causal chain is."

      The world is a complicated place. Mostly it operates as a collection of stochastic processes. What you want is "A causes B" when in actually the world give you "A causes B to within a probability given the hypotheses (which are themselves are probabilistic). Take some science classes.

    • by Knightman ( 142928 ) on Wednesday August 31, 2022 @06:24AM (#62839047)

      Every weather event now is attributed to something called climate change, but there is never any analysis of what exactly the causal chain is.

      If extreme weather events are occurring with greater and greater frequency it isn't random. The scientific consensus is that the events are very likely driven by rising global temperatures which affects weather patterns. Absent any other likely explanation, you don't need to establish the casual chain to a 100% certainty, it's inferred by the data and transpiring events.

      There is great variability in the Chinese climate - its a country prone to extremes of rainfall, which lead to flooding, and also to drought.

      But how exactly is a one degree rise in average global temperatures is supposed to be driving this particular drought? Its an article of faith in the Guardian that it must be, but there is no justification of this.

      When it comes to what is driving weather events we can (currently) only infer with a fairly high degree of certainty of the factors base on historical record of temperature, weather, previous events and their severity. As I mentioned above, absent any other likely explanation you use the most likely explanation.

      And the Guardian also thinks the solution is for the world to reduce its CO2 emissions, at which point (by an also unspecified mechanism) China will no longer have these droughts. Why will this reduce droughts in China? And floods in Pakistan?

      The scientific consensus is that a major part of the solution is reducing CO2 emissions and it so happens that The Guardian agrees with that.

    • but there is never any analysis of what exactly the causal chain is.

      Sorry, but that is a classical argument from ignorance. Of course weather is a chaotic system, operating within the confines of the changing climate systems, so all analysis is statistical. But there is a whole field of attribution science that has developed over ca. the last 20 years, and that does do exactly those kind of analyses. You can find a summary and sources in chapter 11 [www.ipcc.ch] of the IPCC AR6 WG1 report.

    • The term "climate" is definitely being overused, as a generic / umbrella term for most anything involving the forces of nature. Forest fire? Let's refer to that as a result of climate, because the forest may have had less rainfall due to climate change. But then again, forest fires are a natural part of the earth's biology which have been suppressed by humans, thus resulting in much larger and more catastrophic fires when they do occur.

      It's unfortunate because words have meanings, and "climate" is one of th

      • If an event, absent any other known cause, increases in frequency and is the sort of thing that could be caused by increased temperatures, you'd have to be pretty obtuse not to consider it as a possibility, which is what scientists say. Reporting, that's another matter. But if you were fifty plus, needing to pee more often then absent any other explanation like three pints of beer right before bed, you might want to at least consider whether to get a PSA test. As to people suggesting that the term scientifi
    • Talk about taking a page from the Joe Rogan playbook.

      I'm not saying Glenn Beck raped and murdered a girl in 1990, I'm just asking questions

    • Well, the funny thing, is that they could have enough power, if they weren't relying so much on hydro :). A few more coal fired plants would clear their problems right up :)

  • by FuzzMaster ( 596994 ) on Wednesday August 31, 2022 @08:57AM (#62839409)

    There were fears of a monumental man-made disaster from a collapse of the Three Gorges Dam as it exceeded its maximum capacity, requiring unprecedented water releases.

    https://www.theguardian.com/world/2020/aug/20/china-three-gorges-dam-highest-level-hydro-electric-floods [theguardian.com]

    The current situation is a weather event, just like the floods of 2020 were a weather event.

    • consider.
      china is no stranger to electricity rationing.
      china does make a lot of wind turbines and solar cells.
      for others.
      maybe china can place an order
      to one or more of those chinese factories
      just throwing it out there

  • How much extra energy do they need if they turned off their ubiquitous aircos ?

  • Blaming the weather won't hide the disastrous effects of Great Leap Forward v2.0
  • ... global warming. They never had to ration electricity during the Han Dynasty to this extent.

  • How does one disambiguate the following?

    1. Chance

    2. Localized land management such as consequences of massive land cover, land use, water consumption and diversionary changes in China over recent decades.

    3. Global changes such as increased temperatures.

    How are the media accounts able to say climate change has forced China to ration electricity?

  • Neither natural disasters nor long droughts are 'climate' features. They are weather features. This year they're having bad weather. Not a climate crisis. They may be in a larger climate crisis, indeed perhaps a global one, but the stuff this article is talking about isn't that. It's just making a reference to it as if that's supposed to make it more authoritative or relevant or something. The fact that china's production chain is interrupted by this is angle enough. No need for the authors to try and qual

There are never any bugs you haven't found yet.

Working...