The peatlands of Africa's Congo Basin are a vast expanse of swamp and greenery that act as one of the world's most effective carbon sinks -- and they're under threat of environmental destruction.
How do you talk to someone who doesn't believe in climate change? Not by rehashing the same data and facts we've been discussing for years, says climate scientist Katharine Hayhoe.
Chemical engineer Jennifer Wilcox previews some amazing technology to scrub carbon from the air, using chemical reactions that capture and reuse CO2 in much the same way trees do ... but at a vast scale.
