As the country shifts from traditional energy sources to renewables, there is a growing demand for workers. Former coal workers could fill this gap.
More than 190 countries will confer in Paris at COP21 about reducing greenhouse gas emissions that pollute our air and contribute to global warming.
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.
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.
Climate scientist Ed Hawkins has created a dramatic animation to illustrate how much global temperatures have risen over the past 166 years.
Many countries have signed and some have gone further to "join" the Paris agreement to slow climate change — so what's next?
"What we do right now, today, matters," Kerry told delegates at a climate change summit developing rules to implement the Paris climate agreement.
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.
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?