See: http://www.desertec.org/downloads/summary_en.pdf
This is well written. The map on p. 2 is revealing. Map caption:"For illustration: Areas of the size as indicated by the red squares would be sufficient for Solar Thermal Power Plants to generate as much electricity as is currently consumed by the World, by Europe (EU-25) and by Germany/MENA respectively. (Data provided by the German Aerospace Center (DLR), 2005)"
- Jed
