BBC: Five Ways To Save The World
"Once you start managing nature you have to continue to manage nature, there is no use hoping that it will restore itself to a new equilibrium set up by humans." -Professor Ian Jones-
Futuristic fleet of 'cloudseeders'
Creating a 'sulphur screen'
Global sunshade
Multiplying the ocean's CO2 guzzlers
Artificial trees: A green solution?