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!...
Person riding bike with city skyline in background (© AP Images)

Cities as policy labs: Portland’s bicycle experiment

With bicycle boulevards, 'sharrows' and more than 500 kilometers of bikeways, Portland, Oregon, has become one of the greenest cities in the U.S.
Blue, wavy lines showing energy (Gonin/Shutterstock)

‘Blue energy’ could be another way to go green

A new source of energy could be found where rivers meet the ocean, using a technique that captures the electrical charge during osmosis.
Worker in hard hat operating power tamper next to solar panel array (© AP Images)

Solar power booms in Africa as new technology rolls out

New solar technology could help provide cheap power to many of the 600 million people in Africa who currently lack access to reliable electricity.
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 in circle around tower in middle of plain (Courtesy of SolarReserve)

Salting away renewable energy for future use

Molten salt could be the key to unlocking a future full of renewable energy. During peak times the salt stores solar power that can be saved and used later.
Hand appearing to hold sun between thumb and index finger. (© Design Pics via AP)

Energy in one Texas city: Good planning makes good business

Texas may be known for its oil and gas, but one city there plans to get nearly all of its electricity from renewables, such as wind and solar.
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.”
Illustration of windmills on green hills (State Dept.)

Look what has happened since the 2015 climate pact was adopted...

A year has passed since nearly 200 countries came together to adopt the historic Paris agreement on climate. Check out what has happened since then.