http://app.discoveryeducation.com/player/view?asset
Guid=40408af3-fec1-4eb1-8287-1c8a518665a7&sho
wBreadcrumbs=true

Geothermal energy can't be used everywhere because to make it you need to have a hot spot source that is near to a city or town.

Can this form of energy be used everywhere?

http://ntenergy.ca/?page_id=471