Why companies are fighting for stricter energy laws.
The personnel shift reflects a controversial theory of how to stop climate change.
The Washington state governor promised to make sure clean energy jobs are “good-paying union jobs.”
The EPA unveiled its final proposal for the Affordable Clean Energy rule.
In many ways, the U.S. military stands at the vanguard of the transition to clean energy.
The state is expected to become the biggest economy on Earth to commit to 100 percent carbon-free electricity.
Well, it's better than making awkward conversation with the driver.
“Now is not the time to slash funding for this promising research," a Democratic senator said.
We asked 9 people what home means to them...
China might have a solution to its pollution problem -building ‘forest' cities for its citizens.