Turbines have taken over the country in the past decade.
The smile will activate at crosswalks to alert pedestrians that it's safe to cross.
In a new poll, more young voters realize a Clinton presidency is not the same as a Trump one.
There's now a street called Hazel Johnson EJ Way.
Obama has protected more land and water than any other American president.
Everything from sneakers to beach umbrellas could suck up the sun’s energy and turn it into electricity.
The CO2-riddled oceans of the future may become fish asylums.
First off, he didn't bring the prices down. Second, low prices are bad for the climate.
Bernie Sanders made an appearance.