Protesters have clashed with police near the mouth of North Dakota's Cannonball River over plans for an oil pipeline. Officials have said the demonstrators were trying to reach property owned by the pipeline developer.
Officers in riot gear used pepper spray and tear gas on dozens of people as they...
The U.S. Environmental Protection Agency issued a grave warning about the Mississippi River on Saturday. Because of an oil spill, it said, the cultural landmark is in “imminent and substantial danger” of being contaminated.
The oil spill came from a train carrying 103 cars of Ba...