Most of Barack Obama's actions to forestall climate change were wiped out as Trump revoked limits on emissions from power plants and opened federal lands to coal mining.
Trump's approval of the Keystone XL and Dakota Access pipelines comes just as he has withdrawn the US from the Trans-Pacific Partnership, a seeming contradiction in his agenda.
US authorities are using excessive force against protesters in North Dakota who are trying to halt a proposed oil pipeline project, according to a UN human rights expert.
The take-over of federal lands in eastern Oregon by a right-wing militia builds on a rancher land-grab that began when the Paiute Indians were usurped in the 1878 Bannock War.
