The U.S., Canada and Mexico are collaborating on sharing clean energy technology and reducing emissions.
Two U.S. Dept. of Energy maps show how wind power will grow across the U.S. by 2050.
The Kansas renewable power mandate may become a victim of its own success.
The West should "climate proof" its power grid or risk electricity shortages, a new study says.
Canada plans to cut its greenhouse gas emissions 30 percent below 2005 levels by 2030.
CO2 is about to reach its annual May peak, showing the seemingly inexorable rise in the greenhouse gas levels.
New York cites climate, pollution and earthquake risks as major uncertainties swirling around fracking.
The Arctic is returning to a warm period and the trend continues to show higher temperatures.
Downpours like those that flooded Oklahoma City should become more common in a warmer world.
Global carbon dioxide levels have now officially reached the 400 ppm level, a first for the planet.
Experts see need to cut GHG emissions from the biggest sources — tailpipes and inefficient buildings.
A report warns extreme weather will contribute to the spread of disease and disrupt food and water supplies.
U.S. energy consumption, greenhouse gases and the economy are no longer growing together.
The solar & wind innovations that got us where we are today & those waiting in the wings point to a hopeful future.
The government want more farmers turning waste methane into biogas. Here's how California is helping.
Here are four reasons to be hopeful on Earth Day when it comes to climate change.
On Earth Day, take a look at the key trends that underpin global warming.
India and China recently dropped their opposition to phasing out HFCs under the Montreal Protocol.
Greenhouse gases are trapping a lot of heat in the climate system and most is ending up in the ocean.
China could produce more than 85 percent of its electricity with renewables by 2050.