Los Angeles says so long to coal

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By Hayley Smith, Los Angeles Times. 

Excerpt: The Los Angeles Department of Water and Power has stopped receiving any coal-fired power, officials announced Thursday. The city's last remaining coal source was the Intermountain Power Project in Utah, which provided 11% of L.A.'s energy in 2024. It's a milestone in the city's transition to 100% clean energy.... 

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2024 was the hottest year on record, breaching a critical climate goal and capping 10 years of unprecedented heat

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By Laura Paddison , CNN.  Excerpt: It’s official: 2024 was the hottest year on record, breaking the  previous record  set in 2023 and pushing the world over a critical climate threshold, according to new data from Europe’s climate monitoring agency Copernicus [ https://climate.copernicus.eu/copernicus-2024-first-year-exceed-15degc-above-pre-industrial-level ]. Last year was 1.6 degrees hotter than the period before humans began burning large amounts of fossil fuels, Copernicus found. It makes 2024 the first calendar year to breach  the 1.5-degree limit  countries agreed to avoid under the Paris climate agreement in 2015. Scientists are much more concerned about breaches over decades, rather than single years — as above that threshold humans and ecosystems may struggle to adapt — but 2024’s   record   “does mean we’re getting dangerously close,” said Joeri Rogelj, a climate professor at Imperial College London....  Full article at https://www.cnn.c...
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Warmer, more crowded cities bring out the rats

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Can green hydrogen replace fossil fuels?

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By Robert F. Service, Science.  Excerpt: Hydrogen is often touted as the future of green energy, and the allure is clear. When burned or run through a fuel cell, the fuel produces water as exhaust, not carbon dioxide (CO 2 ). It is energy-rich enough to drive semitrailer trucks, cargo ships, and other heavy-duty vehicles that are tough to power with batteries. And for many industrial processes requiring high-temperature reactions, such as fertilizer production and steel manufacturing, hydrogen is basically the only alternative to fossil fuels, says Kathy Ayers, a water electrolysis expert at Nel Hydrogen, a Norwegian electrolyzer producer. “Low-carbon hydrogen is absolutely essential if we are going to address the climate crisis.” ...According to the International Energy Agency, the world needs to churn out more than 300 million tons of green hydrogen annually if it is to have a shot at limiting global warming to 1.5°C by 2050. Yet today, operating green hydrogen plants, mostly in ...
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