September 30, 2011
Harvard applied physics professor David Keith is building a machine that can suck carbon dioxide from the air. Keith has started a company called Carbon Engineering that has attracted venture capitalists that see a future for this technology. The machine uses a three-step process to filter the air and separate and sequester the carbon dioxide. First, a fan sucks air into the machine where it enters…
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September 28, 2011
Image: Lars Plougmann via flickr
The connection between increased access to family planning and greenhouse gas emissions has been covered here before, but since World Contraception Day was this week and we’re still
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