Poor countries need nuclear power, French President Nicolas Sarkozy said Monday, urging rich lenders to help pay for a global nuclear expansion in the interests of fighting climate change and feeding the growing world hunger for energy.

My neighbor installed a tankless water heater in his new house and loves to brag about how much money he's saving.

Gardening - you should excuse the pun - is rapidly growing into the number-one American hobby.

Some people seem to think this winter's snows prove that global warming is a bunch of hot air.

Minnesota needs a push if it is to reach an 80 percent goal by 2012 to recycle beverage containers, say two young people who want a mandatory refund fee put on containers.

The Obama administration has delayed action on a set of broad-ranging and specific measures to reduce the environmental impacts of mountaintop removal, after details of the plan were leaked to coal-state mining regulators.

Over the past decade, Australia has seen its temperatures rise, its reservoirs plummet, and its crops dry up -- the result of the country's worst drought in 100 years. The experience rings familiar to California water managers.

The EPA has proposed surface water standards in Florida, but there are no specific numbers for the 113 public and private lakes in Highlands County.

Climate scientists have delivered a powerful riposte to their sceptical critics with a study that strengthens the case for saying global warming is largely the result of man-made emissions of greenhouse gases.

The U.S. Environmental Protection Agency has given substance to President Obama's pledge to make cleaning up the Great Lakes a priority, unveiling a $2.2 billion initiative to reverse 150 years of abuse and neglect.