Cleantech is so white. Gilbert Campbell is making renewable energy look more like America.
"Together we are going to start a new energy revolution," the president said before signing an order to boost old, dirty energy industries.
Crude oil is now under North Dakota's Lake Oahe, in an area held sacred by the Standing Rock and Cheyenne River Sioux tribes.
The textile industry is dirty and wasteful. Rebecca Burgess is stitching together a local clothing movement.
Most people think clean energy is out of reach. John Bourne provides renewable options for any budget.
That represents a dramatic, 66-percent drop from 2015.
Coal power is going the way of whale oil.
Maryland Gov. Larry Hogan shocked many when he endorsed a bill that would completely outlaw the practice.
The biggest drop in CO2 emissions came in the United States, where emissions fell by 3 percent while the economy grew 1.6 percent.