Three men holding solar panel (© AP Images)

Solar energy comes in big and small packages

Different technologies capture the sun's light or heat to generate power. It may be done on a large or small scale.

The air was so dirty kids couldn’t play outside. Today, this...

Air quality in California cities improved through strong policies, technology and local collaborative action.
People walking on roof, one carrying solar panel (© AP Images)

It’s a new era: U.S. renewables outpacing fossil fuels

Electricity drawn from renewable sources, like solar and wind, is becoming an increasingly popular power source in the U.S. and is expected to grow.
Rows of air conditioners attached to exterior walls (Flickr/Niall Kennedy)

What cool climate project could be worth 1,500 power plants?

China, India, Canada, Saudi Arabia and the United States launch the Advanced Cooling Challenge to crank up a new era of air conditioning.
Micro–wind turbines and solar panels lining the exterior walls at Lincoln Financial Field in Philadelphia (© AP Images)

U.S. sports arenas go green, with the Philadelphia Eagles leading the...

The Philadelphia Eagles, along with many other sports teams in the U.S., are doing their part to protect the environment by going green in their stadiums.
Wind turbines (© AP Images)

Google set to go 100 percent renewable

By 2017, Google expects to power its massive data centers and offices with 100 percent renewable energy, everywhere in the world.
Green northern lights in sky over frozen Arctic waters.

The world looks north

The Arctic has enormous economic and environmental influence on the planet. So the world will be watching when the Arctic Council meets April 24–25.

Online learning spurs offline climate action

The YALI Network began a campaign among young Africans that bridged online enthusiasm and real-world action on how climate change affects their communities.

Climate change is changing how we act

As part of the effort to fight global climate change, the White House has identified 16 U.S. cities cutting carbon pollution through everyday acts. Cities such as...