As the world drags its feet on cutting greenhouse gas emissions, respected scientists have proposed some crazy stopgap solutions, from orbital mirrors to manmade volcanoes.
Conservationists are taking a similar approach, but with animals.
A commentary published today in Science marks the center-stage debut of assisted colonization -- saving vanishing species by picking them up and putting them somewhere new.
It's a highly controversial proposition, to say the least: opponents say it's a potentially ecosystem-wrecking false panacea. But it's being seriously considered by the conservation community. And while working on a feature about the debate, I spoke to Notre Dame ecologist Jessica Hellmann, co-author of this influential Conservation Biology paper [.pdf]
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