Removing carbon dioxide from the atmosphere efficiently is often seen as a crucial need for combating climate change, but systems for removing carbon dioxide suffer from a tradeoff. Chemical compounds that efficiently remove CO₂ from the air do not easily release it once captured, and compounds that release CO₂ efficiently are not very efficient at capturing it. Optimizing one part of the cycle tends to make the other part worse.
Why some Bitcoin mining companies are ditching cryptocurrency for AI
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