Over the past century, the burning of fossil fuels and other human and natural activities has released enormous amounts of heat - trapping gases into the atmosphere. (pearltrees.com)
More importantly for millions of years the oceans had been storing enormous amounts of heat. (landscapesandcycles.net)
On the blackboard, fusing hydrogen atoms produces enormous amounts of heat which can be captured and developed into an energy source, energy that is safe, cheap, does not burn fossil fuels or consume non-renewable resources. (canadianbusiness.com)