However, unlike the administration's failed attempt to turn the nation back to greater dependence on 19th century sources of fuel, its actions on trade are already having concrete impacts. (pv-magazine-usa.com)
The film mixes found footage from early 20th century sources containing a striptease, educational film clips, animated cartoons, and silent movies. (kohngallery.com)
Permafrost in the coldest northern Arctic — formerly thought to be at least temporarily shielded from global warming by its extreme environment — will thaw enough to become a permanent source of carbon to the atmosphere in this century (spaceref.com)