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The Cool Down is mainstream America's guide to a cleaner, cooler future, making it easy for people from all walks of life to help themselves while helping the planet.
- 2,406articles · 30d
- 30+ min agolatest article
- Aug 14, 2026earliest in window
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News
Engineered bacteria may speed one of Earth's oldest ways of pulling carbon dioxide from the air
1+ week, 1+ day ago (475+ words) A slow but powerful natural climate process may be getting a high-tech boost as researchers explore whether engineered bacteria can accelerate the breakdown of rocks, potentially speeding a natural pathway that removes carbon dioxide from the atmosphere. On Aug. 28, 2026, Phys....
Fourth-generation LFP batteries pack more into each cell without changing chemistry
1+ week, 6+ day ago (505+ words) It could reduce the amount of space needed for the same amount of stored energy. Fourth-generation lithium iron phosphate batteries could enhance the utility of one of the essential clean-energy tools. The large battery systems that store electricity for later…...
Sodium-ion batteries near a key EV milestone, and they may already undercut lithium on price
3+ week, 1+ day ago (524+ words) "It doesn't come with the geopolitical baggage that lithium, nickel, and cobalt do." Two trends are converging for sodium-ion batteries: their energy density is climbing toward levels long associated with lithium packs, while pricing may again be shifting in sodium's…...