The Year's 10 Craziest Ways to Hack the Earth

Crazy perhaps, but you never know some of these could end up being part of the solution... my favourite is the cloudmaking ships.

Just a thousand ships would offset temperature rises resulting from a global CO2 doubling, Latham said. He and Salter recently joined with climate-modeling guru Phil Rasch to determine the ships' potential to upset weather systems, including rainfall. "Questions like that have to be answered first," Latham said. "But I'm much more confident than I was a year ago."

The Year's 10 Craziest Ways to Hack the Earth