clean energy

Keeping the planet cool takes cash

Investment in research, development and installation of clean energy technologies is critical to limit global warming.

Wind and solar energy industries get some well-deserved credit from Congress

By extending tax credits for renewable energy sources, the U.S. government intends to increase their supply and use.

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.

Stoves should not take food off the table

A recent study finds that pollutants have cut crop yields nearly in half in some areas. What can you do about it?

Who needs gasoline? Hydrogen fuel-cell buses are the way to go...

Buses can contribute to urban smog, but thanks to new hydrogen fuel-cell technology they also might be the perfect vehicles to reduce air pollution.

Facing climate change, Alaskans embrace green energy

In remote communities in the U.S. Arctic where months pass without a sunrise, Alaskans are experiencing climate change and embracing green energy.

Once smog-shrouded, LA has improved its air quality

Over the past few decades, Los Angeles has learned techniques to improve air quality that could benefit other major cities around the world.

Need strategies to clear the air? Ask a megacity.

Big cities have big problems with pollution and are big laboratories for solutions. C40 Cities helps them collaborate on strategies.

Africa’s future is getting brighter

After its first two years, the Power Africa campaign continues to boost electricity access, bringing light, computers and information into African homes.