renewable energy

Drawing of hand dropping coin into slot in Earth (State Dept./Doug Thomson)

Save money. Save the environment. Here’s how (HINT: It involves your...

Energy-conscious consumers prefer green homes. They save on energy and water bills and reduce their families’ environmental impact. It’s the right thing to do!...
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...
Wind turbines silhouetted by sun (AP Images)

Communities win with renewable energy

Americans love to compete. It might be baseball, or basketball or...green power? Beginning in 2013, a number of U.S. cities stepped up to the...
Heat map of the Earth (NASA)

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...