Renewable energy is now within striking distance of nuclear, which contributes about 20 percent of total annual U.S. electricity generation.
New York City plans to divest its pension funds from fossil fuel investments and has filed suit against five oil giants for contributing to climate change.
On several occasions during 2016, electricity in Britain generated by burning coal dropped to zero. April 21, 2017, is a milestone because this was the first full coal-free day.
Researchers at Virginia Tech have developed a new process that extracts large quantities of hydrogen energy from plants in a renewable and eco-friendly way.