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.
Illustration of a green Earth with workers putting its final piece in place (State Dept./Doug Thompson)

Green Climate Fund will help local communities achieve sustainability

The Green Climate Fund will help developing countries mitigate and adapt to climate change. The fund has already approved eight proposals.
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.
Giant clam (AP Images)

This clam can change the future of energy

Could the giant clam's colorful lips hold the key to renewable energy? At 200 kilograms, and with life spans exceeding a century, these magnificent...
Close-up of electricity meter (Shutterstock)

Want cheap electricity? Try net metering.

Homeowners and businesses that rely on solar panels and wind turbines have cheaper electric bills, thanks to a system called “net metering.”
Heat map of the Earth (NASA)video

Climate change is speeding up. Watch the planet’s temperature rise. [video]

This time-lapse map makes it clear that our planet is rapidly getting warmer. Nine of the Earth’s warmest years since 1880 have occurred after...

Check out these 3 innovative solutions from young energy companies

New approaches to harvesting energy are taking shape. Three ingenious projects give you a taste of what the energy future might look like. The sky...
People in winter coats walking on barren ground, hut in background (State Dept.)video

Kerry: World should keep moving forward on climate change [video]

It's been a historic year in the fight against climate change, but we can't stop now, John Kerry said at the U.N. climate conference in Morocco.
Drivetrain of vehicle powered by alternative fuel (AP Images)

Alternative-fuel vehicles are the heroes of this odyssey…on this day

What could be better than powering your car with the most abundant element on the planet? What if that resource also produced much less...