Category: Climate Crisis
China Built A Supercritical CO₂ Generator. That Doesn’t Mean It Will Last.
China recently placed a supercritical carbon dioxide power generator into commercial operation, and the announcement was widely framed as a technological breakthrough. The system, referred to as Chaotan One, is installed at a steel plant in Guizhou province in mountainous southwest China and is designed to recover industrial waste heat … [continued]
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Our Biggest CleanTechnica Food & Climate Stories For 2025
We learned a lot in 2025 about how the way we eat affects our climate and environment. Many of us started to rethink our food choices in relation to a warming climate. A number of 2025 studies were released that chronicled the intersection of food and climate emissions, and, over … [continued]
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From Models to Money: Reflections on a Year of Practical Decarbonization
Before diving into a reflection on the year, it feels important to start with gratitude. None of this work happens in isolation. Over the past year, an extraordinary number of people took the time to share their expertise, challenge my assumptions, correct my mistakes, and patiently help me understand subjects … [continued]
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EPA delays tougher coal wastewater standards in Michigan, nation
Environmental and clean water advocates are raising concerns after the Environmental Protection Agency announced late on Christmas Eve it would delay tougher wastewater treatment standards for coal-fired power plants, including the J.H. Campbell plant in western Michigan.
Two Charts, One Grid: Clean Electricity Is Getting Cheaper But Feels More Expensive
The argument begins with a pair of charts that appear to contradict each other while describing the same reality. One plots nominal residential electricity prices against carbon intensity for the ten largest electricity producing countries in 2015 and 2024. The other uses the same data but adjusts prices for inflation. … [continued]
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