Europeans are working to close a loophole in their climate rules that promotes harmful wood energy.
Scientists say it is increasingly urgent to develop negative emissions technology to meet climate goals.
The Supreme Court's stay of the Clean Power Plan made carbon prices in the Northeast tumble.
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.
Fossil fuels will still be the dominate energy source on the planet in 2040, a U.S. government forecast shows.
The strong El Niño in the tropical Pacific contributed to lower energy demand in the U.S. this winter.