Per capita carbon emissions are falling, but Wyoming's are still seven times the national average.
New study predicts that rising temperatures due to climate change will wreak havoc on economic output.
The U.K. plans to close all of its coal-fired power plants by 2025 to address climate change.
U.S. energy demand strains global water supplies in a warming world.
G20 countries spend almost four times as much to prop up fossil fuel production as they do to subsidize renewables.
Greenhouse gas emissions per capita are falling in 11 of the Group of 20 major economies.
A shift from driving cars to cycling in big cities would become a major climate benefit.
An International Energy Agency report shows that a global transition to cleaner energy is underway.
Our analysis details the implications of different warming scenarios for every coastal nation and megacity on the planet.
Data suggests China has emitted close to a billion additional tons of carbon dioxide into the atmosphere each year.
President Obama said Friday that the pipeline would not serve the national interest of the United States.
The White House says President Obama will decide on the Keystone XL pipeline by the end of his term.
TransCanada's request to 'pause' a Keystone XL permit review may have climate implications.
Overall U.S. carbon emissions were down about 11 percent in 2013 from their 2005 peak.
Regulators from California and New York say public policies should support low-carbon technologies.
The federal government's signature climate policy is now open to legal challenges.
Hydraulic fracturing can form methane leaks between natural gas wells in New York, a new study says.
The Carbon XPrize seeks a 'radical' breakthrough in technology to capture carbon emissions.
A new study suggests that shale gas development may emit more methane than previously thought.
A Canadian company has opened the first commercial tar sands mining operation in the United States.