by Graeme Wood
As the threat of global warming grows more urgent, a few scientists are considering radical—and possibly extremely dangerous—schemes for reengineering the climate by brute force. Their ideas are technologically plausible and quite cheap. So cheap, in fact, that a rich and committed environmentalist could act on them tomorrow. And that’s the scariest part.
![Reblog this post [with Zemanta]](http://img.zemanta.com/reblog_a.png?x-id=cb0d4622-ac5f-4da2-9e0a-2b2d6dda15cc)