The latest news on energy efficiency
New estimates about methane leakages add more complexity to the fracking debate.
Pouring money into an aging house can actually translate into savings for consumers over the long term.
China attracted the most clean energy investment in 2012.
Solar energy powering the nation's homes and businesses has grown 600 percent since 2008.
The natural gas craze is helping lower greenhouse gas emissions.
It may even pay you (a little) if you do.
Solar power could help the United States achieve energy independence.
Policy changes and consumer education could help Americans save money while saving the environment.
The U.S. trade surplus with China in clean energy was more than $1.6 billion.
The U.S. is poised to be an energy superpower if only officials cut through red tape and open up more federal lands for development.