People planting trees in a vacant urban lot (Courtesy of TI Philippines)

The company planting a green future in the Philippines

TI Philippines embraces sustainable practices for its manufacturing facility — from recycling to developing an environmental education program.
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.
Worker kneeling and welding inside large steel tube (Shutterstock)

Could a steel mill yield clean fuel for cars?

A new way to make money and help the environment is the circular economy. This process involves reusing materials to prevent waste from reaching landfills.
Large ship near shore (© AP Images)

Ashore and at sea, U.S. Navy trims use of fossil fuels

The U.S. Navy's goal is to get 50 percent of all the fuel it needs for its ships, jets and shore installations from alternative, renewable sources by 2020.
Earth seen from space (NASA)

NASA tech brings climate science down to Earth

More than 160 satellites beam data to scientists studying climate worldwide. Political leaders can base climate decisions on science rather than theory.
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...

The air was so dirty kids couldn’t play outside. Today, this...

Air quality in California cities improved through strong policies, technology and local collaborative action.
Workmen installing solar panels on building rooftop (U.S. Department of Energy)

Big roofs mean big solar at top U.S. retailers

If U.S. supermarkets and shopping centers covered underused roof space with solar panels, it could generate enough clean energy for several million homes.

Kerry: A global agreement is necessary to address climate change

Climate change poses one of the greatest threats now facing humanity, and no global climate agreement alone is going to stop it, U.S. Secretary...