An innovative  approach to alternative energy
Using landfills to generate solar power.
Mark Roberts of HDR Engineering is working on two of these solar landfill projects in Texas and Georgia.

Have a listen to the 7 min audio clip below from Radio NZ National’s ` This Way Up’ programme.  ( Scroll down to `Solar Landfill’)
 http://www.radionz.co.nz/national/programmes/thiswayup/20120519

 and check out the detail on this website
http://www.waste-management-world.com/index/display/article-display/0438199780/articles/waste-management-world/volume-11/issue-6/features/solar-landfills-the-future.html