Clean Energy

1.7 billion years ago, Earth had a natural nuclear reactor
Heat pumps can cut your energy costs by up to 90%
Wave energy generator passes 10-month test at sea
New solar device can pull hydrogen straight from the air 
Powerful new magnets bring fusion power a step closer
Today’s coal plants could be converted to run on clean hydrogen
Researchers have found a way to pull more than 95% of uranium from seawater
Nuclear power might not be dead in California 
Gates-backed company is using robots to build mega solar farms 
Next US energy boom could be wind power in the Gulf of Mexico