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What is the the hardest place to address global warming? The Sahara?

A curious project that's in part derived from the Eden Project in the UK is this Sahara Forest Project that combines the latest in solar power and seawater greenhouse tech. Both are established technologies but the Sahara might just be the best place to combine the two, given the harsh sun and the desperate need.

The idea is to produce enough water to grow crops and harness  sufficient solar power to supply electricity to cities in Africa and maybe even in Europe. An added benefit is producing a sustainable bio-fuel that doesn’t impact on world food supplies.

“The scheme would also have the restorative effect of returning areas of desert to forested land and sequestering substantial quantities of atmospheric carbon in new plant growth and reactivated soils,” claim the founders Charlie Paton, Michael Pawlyn and Bill Watts.