World changing ideas  JUL 16 2009

Here are 20 bold/crazy ideas that could save the world...most of them related to energy and climate change.

A relatively small piece of the Sahara could theoretically provide electricity for the entire planet if it were covered in solar thermal mirrors. Plus think of all those jobs to build a solar plant the size of Britain. The new transmission grid would be quite a project as well...

Update: Hmm, the site appears to be down and redirected to same squatter spam thing. I'll put the link back up when the site (hopefully) returns.

Update: The Infrastructurist site is still down but I found the original link on the Guardian.

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