Enhanced geothermal system

Packing heat: New fluid makes untapped geothermal energy cleaner
Fracking Could Help Geothermal Become a Power Player
New Geothermal Data System Could Open Up Clean-Energy Reserves
Volcano power plan gets U.S. go-ahead
Can The World’s Volcanoes Be Used As Power Plants?
5 Cities Harnessing Breakthrough Geothermal Technology
Geothermal Mapping Report Confirms Vast Coast-To-Coast Clean Energy Source in U.S.