An iceberg in Greenland (© AP Images)

Signing the Paris agreement is a big step toward tackling climate...

Many countries have signed and some have gone further to "join" the Paris agreement to slow climate change — so what's next?

The future won’t forgive us

As the clock ticks down to a major climate conference this December, the Obama administration is calling on leaders everywhere to prevent a “collective...
Power plant smokestacks emitting carbon dioxide and other greenhouse gases (Shutterstock)

Castles in the air? Carbon dioxide could produce building materials.

A new technique that takes CO2 emissions generated by factories and cars could create new material for buildings, aircraft and athletic equipment.
Arc de Triomphe with wind turbine (© AP Images)

Can a higher power help us cut carbon emissions?

It's not only governments who can meet the "Paris pledge" to reduce carbon emissions. Concerned religious communities are also setting the example.
Drawing of satellite orbiting Earth (State Dept.)video

Sea level is rising. Here’s what we can do about it....

Sea levels are rising faster than expected. Find out what this means for you and our planet in this video.
Cartoon drawing of cat driving car (State Dept.)video

The adventures of ‘Energy Cat’ [video]

The cat is out of the bag: Renewable energy is the future. Thomas, the Energy Cat, tells us how all the sun and wind around us can power the planet.

We’re taking action on climate change  —  and the world is...

The U.S. and China, the world’s two largest economies  and biggest greenhouse gas emitters,  surprised the world with their plans to combat climate change.
Aerial view of city at meeting of rivers (© AP Images)

Cities as policy labs: Pittsburgh’s towering experiment

Once a declining industrial metropolis with steel mills spewing black smoke and soot into the sky, Pittsburgh has transformed itself into a vibrant green city.
Technicians working in lab (Courtesy of Cyclotron Road)

They sound like sci-fi, but these new technologies could become mainstream...

The technology of the future may soon be at your fingertips. Researchers at Cyclotron Road are creating a new generation of clean-energy technologies.