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chubbs

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Everything posted by chubbs

  1. A number of countries have increasing EV market share with the global share over 20% this year. Link below has EV and plug-in EV market penetration for 61 countries. There's a range between countries with the US and North America a relative low penetration area. Another growing EV market is Heavy-Duty trucks, which are ramping quickly in China (2nd link), reaching a 28% market share there in Aug 25. https://robbieandrew.github.io/carsales/ https://apnews.com/article/china-truck-lng-ev-diesel-transport-70f3d612de4b45b6f954a7f557f7f741
  2. Yea he brought up some good points: our economy and life-style is currently dependent on oil, and oil is running out. However. he's wrong that there is no alternative. Electric vehicles are out competing combustion vehicles in an increasing number of markets and getting cheaper all the time. Meanwhile the best oil reserves are increasingly depleted. Its not going to get better for oil.
  3. Believe the table is calculating electric energy out vs fossil energy in over the powerplant lifetime; i.e., coal (or gas, oil) used to generate power is included. Fossil fuel use during operation of the wind turbine is also included. Agree that society gets an energy payback from use of coal or oil. The problem is that once burned the coal it is gone forever. In-any-case wind has a good energy payback. Here's an extensive study from Europe covering 33 different kinds of turbines. The median payback period is 6 months. Note that the energy payback for wind has to be good. Its the cheapest source of electricity in windy areas like the great plains. If it didn't pay back it wouldn't be cheap. https://www.sciencedirect.com/science/article/abs/pii/S0196890421005100
  4. An oil industry myth. The bigger the wind turbine the faster it pays out the energy needed to make it. Only 64 days for a 3.4 MW turbine https://pure.sruc.ac.uk/en/publications/life-cycle-analysis-of-the-embodied-carbon-emissions-from-14-wind/ https://www.vestas.com/en/sustainability/environment/energy-payback
  5. I'm open to any non-fossil energy source, let the market decide. In the case of nuclear, the US will need to lower cost to deploy significant volume. https://www.nytimes.com/interactive/2025/10/22/climate/china-us-nuclear-energy-race.html?unlocked_article_code=1.vk8.p953.GyoqfHxUqxEK&smid=url-share
  6. Cheap labor is only one part of the story. "China has close to 50 graduate programs that focus on either battery chemistry or the closely related subject of battery metallurgy. By contrast, only a handful of professors in the United States are working on batteries." https://www.business-standard.com/world-news/how-china-built-tech-prowess-chemistry-classes-and-research-labs-124081000019_1.html https://www.bbc.com/future/article/20251110-how-china-won-the-worlds-battery-race
  7. "cheap labor" is an outdated stereotype. The factories producing solar/battery/ev are highly automated. China is kicking our butt in a wide range of advanced technologies. https://itif.org/publications/2025/09/23/how-china-is-outperforming-the-united-states-in-critical-technologies/
  8. Yes, China is a good news, bad news story. China has gone from undeveloped under Chairman Mao to the dominant manufacturing country in the world. That takes energy and the main local fossil-fuel energy source is coal. In part, the developed world has outsourced their emissions to China through the import of manufactured goods. On the flip side, China has rapidly scaled non-fossil clean-energy technology. Driving costs below fossil fuels in many applications and thereby providing a clear path forward to a non-fossil future. It was a gamble on their part and it paid off big time. Now China exports of clean energy equipment provide a large boost to their economy and are reducing emissions around the world. For better or worse we have largely ceded our climate future to China. https://x.com/JessePeltan/status/1989006026520080519 https://bsky.app/profile/laurimyllyvirta.bsky.social/post/3m2jgeqa4es2z
  9. My point was about technology and solar, not China. Let me rephrase. The problem isn't a lack of technology, its a lack of focus or desire (agreeing with Tip). Climate change isn't high enough on humanity's priority list, China included. I think the phase-out of fossil fuels is only a matter of time though. Unfortunately it won't come fast enough to avoid significant climate impacts. https://bsky.app/profile/laurimyllyvirta.bsky.social/post/3m5djg6evmc2l
  10. I don't think the problem is technology. Solar has outperformed expectations for decades. Same for batteries. China has shown that solar can be deployed much faster than any competing energy technology. We could easily match as our solar resource is better than China's. No its the power of the incumbent, misinformation/denial, lack of vision, and geopolitics and others, that are allowing fossil-fuels to linger. https://x.com/JessePeltan/status/1988427201772245459
  11. Yes, China's nuclear generation is increasing rapidly. They are also adding large amounts of hydro and wind. However their biggest source of their new non-fossil power is solar. The solar they are installing this year is roughly equivalent to the entire US nuclear fleet.
  12. Preliminary data for this year, shows global CO2 emissions continue to plateau as clean energy technologies take most of the growth in global energy demand. However to solve climate change, need to see a drop in CO2 emissions, the faster the better. In other words progress on clean energy isn't fast enough as fossil incumbents resist change. This years data also shows a reversal in the CO2 growth trajectories of the two biggest emitters, US and China. China is embracing clean energy technologies while the US doubles down on fossil fuels.
  13. Yes, there are a couple of underwater hills that pin the tip of the ice shelf in place (see chart) Per the article, the pinning points have transitioned from a stabilizing to a de-stabilizing force over the past 20 years.
  14. New paper on the de-stabilization of the Thwaites ice shelf over the past 20 years. Video, linked below, provides a good overview of the changes to the ice shelf over the past 10 years. Other papers have projected the ice shelf's complete collapse by 2030. https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2025JF008352 https://phys.org/news/2025-11-antarctic-doomsday-glacier-ice-shelf.html 10-year video https://scx2.b-cdn.net/gfx/video/2025/cracking-the-code-of-t.mp4
  15. This board has taught me never to underestimate the power of confirmation bias.
  16. The recent flip to NAO- in modeling is positive for this winters snowfall in the northeast. Below is the correlation of November NAO with total winter snow for the La Ninas since 1950. During La Nina, there's a negative correlation of November NAO with total winter snow in the northeast; i.e, negative Nov NAO tends to produce more snow. Also included a plot for Philly to illustrate.
  17. The Chester County COOP stations have had numerous moves and station changes over the years. Fortunately, the changes are easy to spot by comparing against other COOP stations. The 1970 West Chester move is a good example. The top plot shows the monthly temperature difference between West Chester and Coatesville. Before the move, West Chester was roughly 1.5F warmer than Coatesville. When the station re-opened in May 1970 after the move, West Chester was roughly the same temperature as Coatesville. The difference between West Chester and Phoenixville changed in exactly the same way as a result of the move (second plot). Before the move, West Chester and Phoenixville had similar temperatures. After the move West Chester was cooler than Phoenixville. The cooling nature of the move is easily spotted by inter-comparing the three stations. West Chester experienced a permanent change in temperature that wasn't weather related. The NOAA bias adjustment captures the West Chester move perfectly. Before 1970, the West Chester data is biased warm because the data was collected at a warmer site. This simple example shows how NOAA uses science to get the correct information from the raw data, what the raw data really saw about our climate. Bias adjustment is critical in Chester County because all the Chesco stations operating in 1945 experienced cooling moves between 1946 and 1970: Coatesville in 1946 and 1948, Phoenixville in 1949 and West Chester in 1970. You won't get the right answer in Chester County without bias adjustment.
  18. Article on disaster recovery industry in the US, not the growth industry that we want. No paywall. https://www.bloomberg.com/features/2025-disaster-industrial-complex-us-economy/?accessToken=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzb3VyY2UiOiJTdWJzY3JpYmVyR2lmdGVkQXJ0aWNsZSIsImlhdCI6MTc2MTUyMDQyNywiZXhwIjoxNzYyMTI1MjI3LCJhcnRpY2xlSWQiOiJUNEkyRTBHUFdDSUowMCIsImJjb25uZWN0SWQiOiJEQ0NGODY3Qzk2ODk0MzJDQjRBMEMwM0FENDNGNTJENyJ9.6iPDZtLjiXpOkigBvxm123_KbyMeWuSopTRZeGoG36E&leadSource=uverify wall
  19. China, India and Indonesia are shifting increasingly to solar and other renewables which should peak their CO2 emissions by 2030. These countries are the largest growth market for coal since the Paris Agreement. https://bsky.app/profile/creacleanair.bsky.social/post/3m46yyz2dor2a
  20. Global Cat 5 in satellite era of good detection. ( Jeff Master's blog article on Melissa) https://yaleclimateconnections.org/2025/10/jamaica-braces-for-cat-5-hurricane-melissa-earths-strongest-storm-of-2025/
  21. Here are a couple of blog articles with links to scientific assessments on the volcano and an explanation for why the impact is small. https://www.theclimatebrink.com/p/the-climate-impact-of-the-hunga-tonga https://www.theclimatebrink.com/p/the-real-lesson-of-the-hunga-tonga
  22. Below are monthly NINO3.4 and GISS stating in October 2022 and running through 2023. I don't see anything here to indicate that el nino wasn't the trigger. NINO3.4 started rising rapidly early in 2023 and GISS followed with a slight lag. The nino doesn't explain monthly spikes in March and September; but, Hungo Tonga doesn't explain the monthly spikes either as the eruption occurred in 2022.
  23. Per link below the 2023 warming has been attributed to El Nino. The article does say that the warming came on more suddenly and lasted longer than a typical nino. But that is probably due the increasingly positive radiation balance due to cloud feedback and air pollution control. I haven't seen the Hunga Tonga volcano linked to significant warming in a scientific paper. https://www.science.org/doi/10.1126/science.adt7207
  24. Satellite SST estimates show that the 23/24 nino cycle had a similar warming effect on global SST as the 2015/16 nino. Together these two nino's have triggered roughly 0.4C of global SST warming.
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