The man contacted Sweden's nuclear authority and asked if it was permitted for an individual to build a nuclear reactor.
The US Air Force is ready to switch to biofuels to help power its warplanes but the price of alternative fuels remains too high.
Cities can be of surprising help in soaking up carbon pollution.
Turning seaweed into a fuel source could help ease competition on land for growing crops.
Eco-friendly policies are gaining traction in mainstream media, right down to children's movies.
Temperature-sensitive fibers change color in the presence of heat generated by infections or inflammation.
The car company joins Honda in selling cars powered by compressed natural gas.
Farms may soon be staffed by autonomous robots that do everything from harvesting to pest control.
The first UN climate talks for the year ends today in Bangkok after a week of familiar feuds between rich and poor nations.
The first UN climate talks for the year ends today in Bangkok after a week of familiar feuds between rich and poor nations.