Climate change is rapidly pushing the Arctic into a new and less stable state.
A new study shows air pollution from Canada's oil sands could be 4 times higher than previously reported.
As rich countries have foundered, India and China have emerged as global leaders in tackling warming.
After Ice is a new app that uses augmented reality to make the impacts of sea level rise clearer.
Removing carbon dioxide from the air may be the most effective way to meet the globe's ambitious climate goals.
The amount of carbon dioxide in the atmosphere has a strong correlation with rising temperatures.
Communities across the West will have to adapt to living with the ever-increasing threat of wildfires.
Heat waves have set in early in northern India. They are expected to become more common with warming.
Major oil companies, feeling pressure from low oil prices and global climate policy, are fleeing Canada's oil sands.
U.S. energy-related carbon pollution fell in 2016, part of a decade-long trend as utilities use less coal.
Coal use in the U.S. fell 9 percent in 2016, even as the Trump administration seeks a coal industry revival.
The world is on track to reach an ominous carbon dioxide milestone by mid-century.
California finally has a healthy mountain snowpack, but as temperatures continue to rise, that could change in the future.
President Trump's executive order on energy calls for the removal of "burdens" to domestic energy use.
President Trump signed an executive order Tuesday aiming to overturn federal climate policies.
Europe's coasts will see higher and more frequent extreme coastal floods in the future due to climate change.
Arctic sea ice may vanish in summers even if the world reaches goals set by Paris climate agreement.
Congress is considering legislation that could weaken the Endangered Species Act.
The EPA has withdrawn a request for methane emissions data from the oil and gas industry.
The Trump administration wants to “zero out” many climate-related programs and grants.