Massachusetts is considering classifying wood pellets and other tree products as renewable energy.
Alphabet has joined a growing list of technology companies developing energy storage for renewables.
Volkswagen will build electric vehicle charging stations across California as part of an emissions settlement.
A new wind farm could become the largest in the U.S. and wean states off coal-fired power plants.
New Jersey aims to shrink its climate footprint by reducing wasted food that ends up in landfills.
South Miami, Fla., has become the first city outside of California to mandate solar panels on new homes.
California municipalities have filed first-of-their-kind lawsuits against fossil fuel giants over sea level rise.
A new report shows that greenhouse gases' influence on the climate has increased 40 percent since 1990.