Crab walking on beach (Shutterstock)

Why should we care if shore crabs can’t smell?

Greenhouse gases are altering ocean chemistry. The acidification is damaging marine creatures and their ability to avoid predators and find food and mates.
Man walking past destroyed home (USAID)

USAID helps hurricane survivors in Central and South America

After Hurricanes Eta and Iota swept through Central and South America, USAID jumped into action to provide relief supplies and other emergency aid.

Can smog-eating buildings save your city?

Tech innovations using titanium-dioxide coatings on buildings can reduce smog by transforming harmful pollutants into healthier stuff.

Kerry on climate: ‘We have to get this right’

It is not too late to curb the greenhouse emissions that are causing climate change, says Secretary Kerry, and an effective agreement is within reach.

Simple facts of climate change

Climate scientists are in nearly unanimous agreement that the Earth’s atmosphere is getting warmer and will affect the way people around the world live.
John J. Sullivan (right) talking with Craig Faller (Jose Ruiz/U.S. Southern Command Public Affairs)

State Department official lauds U.S.-Caribbean preparation for disasters

Deputy Secretary of State John J. Sullivan says U.S.-Caribbean partnership builds resilience in the face of natural disasters and other challenges.
alligator crossing road, tourists in background

Protect a park. Save the planet.

President Obama wants to protect landscapes and people from the consequences of climate change. He'll do that by preserving natural spaces.

Save our oceans (and score a free poster)

The ocean ecosystem regulates climate, produces oxygen, and feeds about three billion people. But our oceans may not be able to provide these benefits much longer.
Solar panels (© Shutterstock)

Helping to power homes in El Salvador

El Salvador's growing energy demands will be met, in part, with 10 new solar energy plants that the U.S. is helping to finance.