Sixteen-year-old activists Greta Thunberg of Sweden and Tokata Iron Eyes with the Standing Rock Sioux Tribe spoke about climate change Tuesday at Standing Rock High School in Fort Yates.
The number of abandoned oil and gas wells in North Dakota has grown 10% over the past two years to more than 700 amid low oil prices, and state regulators.
North Dakota's coal research and development arm will consider the $31 million project, which aims to capture up to 95 percent of a coal plant's carbon emissions.