President-elect Trump has tapped former Texas Gov. Rick Perry to run the U.S. Department of Energy.
Solar power capacity in the U.S. is poised to nearly triple in size in less than three years by 2017.
A new report shows electric power utilities are reducing carbon pollution that fuels climate change.
The Supreme Court's stay of the Clean Power Plan made carbon prices in the Northeast tumble.
North America's biggest countries will try to generate half of their electricity from zero-carbon sources.
Extreme high or low oil prices could prevent countries from keeping global warming from exceeding 2°C.
Falling carbon emissions from the electric power sector could help states meet their climate goals.
The EPA announced new methane emissions regulations for oil and gas operations on Thursday.