Aside from companies working on electric cars and solar projects, who else is working on large-scale projects to ameliorate climate change? Any truly massive projects akin to putting a man on the moon?
I can't speak to what is actually being done but here's an interesting and quasi-comprehensive write-up of what engineers, developers and designers have to offer in the climate change fight: http://worrydream.com/ClimateChange
Bill Gates is trying to fund some of the research that might lead to break through technologies