The number of cities reporting on their efforts to tackle global warming has skyrocketed.
It takes less energy to keep the world’s businesses and industry humming today than in the past.
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.
Carbon emissions from transportation are becoming America's largest source of climate pollution.
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.
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.
Global renewable energy investments are at a record high, but more investment is needed to limit warming.
China has long been considering an energy cap to tackle smog and greenhouse gas emissions.
Whatever the fate of the president's most sweeping climate policy, electric companies are looking beyond coal.
Climate activists have pivoted from their fight against the Keystone XL Pipeline to protesting oil and gas leasing.
Low oil prices and the loss of a contractor have forced a Utah oil sands project to slow to a near halt.
The United States and 22 other countries agree to cut airlines' emissions over the next 12 years.
Carbon emissions could be dramatically cut with a new power grid based on renewables, a new study says.
The federal government is proposing new rules for cutting methane emissions on public and tribal lands.
The Obama administration has temporarily halted coal leasing on federal lands to address climate change.