Panoramic view of vast array of mirrors at solar energy project (© AP Images)

For former coal workers, renewable energy means renewed job market

As the country shifts from traditional energy sources to renewables, there is a growing demand for workers. Former coal workers could fill this gap.

COP21? Is it a new American police flick?

More than 190 countries will confer in Paris at COP21 about reducing greenhouse gas emissions that pollute our air and contribute to global warming.

Simple facts of climate change

Climate scientists are in nearly unanimous agreement that the Earth’s atmosphere is getting warmer and will affect the way people around the world live.
Spiral graph showing rising global temperature data (Ed Hawkins)

You haven’t seen climate change like this before

Climate scientist Ed Hawkins has created a dramatic animation to illustrate how much global temperatures have risen over the past 166 years.
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.
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?
Bill Gates (© AP Images)

Global fund stakes $1 billion on clean energy

Bill Gates and 20 of the world's top entrepreneurs have a plan for investing in great ideas. They aim to revolutionize the clean energy sector.
Secretary of State John Kerry speaking at podium (© AP Images)

Secretary Kerry: ‘We don’t get a second chance’ on climate

"What we do right now, today, matters," Kerry told delegates at a climate change summit developing rules to implement the Paris climate agreement.
Aerial view of solar panels surrounded by forest on island (SolarCity)

U.S. island in South Pacific goes solar

Remote Ta'ū Island in American Samoa switched from burning 300 gallons of diesel fuel a day to nearly 100 percent solar power. How did they do it?