Charring chicken poop probably won’t save the planet on its own, but some people think charring fowl manure along with beetle-killed pine trees, corn husks and other organic matter might be an important weapon in the war on greenhouse gases. And a lot of the people who think that are hanging around Boulder this week.
Biochar — a fancy name for charcoal, more or less — is what’s left when organic matter is burned in a low-oxygen environment. And when you don’t have oxygen, you can’t make carbon dioxide. So after the burn, you’re left with biochar, which stays stable for a thousand years, locking up that pesky globe-warming carbon in a big black chunk. And as a bonus, the biochar makes an excellent fertilizer when added to agricultural fields. Read more