A view of the shallow coral reefs of Henderson Island

A graveyard in the ocean…the end of coral as we know...

Coral reefs are vanishing faster than rain forests. Why? Every day for the last decade, our ocean has absorbed roughly 22 million tons of carbon dioxide.
Black-and-white dog overlooking bighorn sheep in mountain meadow (NPS/A.W. Biel)

‘Bark ranger’ helps park rangers keep animals and people safe

Gracie the border collie brings a special skill set to Glacier National Park: keeping the wildlife living in the park safe from their visitors.
Aerial view of group of people planting shrubs (© Getty Images)

Cities as policy labs: Chicago’s rooftop experiment

Chicago's rooftop gardens reuse water and reduce heat, which can reduce a building's power costs. The city has 418,000 square meters of high-rise greenery.
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.
Brian Hook standing by river (State Dept.)video

Special Representative Hook’s message to Iran on water management [video]

In this video, U.S. Special Representative for Iran Brian Hook presents some of the devastating effects of Iran's mismanagement of water resources.
Illustration of wind blowing turbine (State Dept./Doug Thompson)

5 myths about wind energy

Wind energy has come a long way. Today it's more efficient and cheaper than ever. What do you think you know about wind energy that isn't true?

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.
Beluga whales swimming (© AP Images)

Webcam whale research buoyed by viewers around the world

Scientists are crowdsourcing data to learn more about beluga whales, their social behaviors and how their environment is affected by climate change.
Performers dancing at 2016 Olympics Opening Ceremony (© AP Images)

Rio goes gold, silver, bronze and green

Those watching the Opening Ceremony and viewing the Olympic Games see climate change as a major theme, from sustainable food to recycled medals.