Yellowstone National Park hit by 1400 earthquakes in six weeks
25 July 2017
A major quake swarm has hit Yellowstone National Park - but it’s unlikely to be a sign of an impending volcanic eruption, according to geologists
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Premium
'Devil weeds' threaten wildebeest migrations in Serengeti
14 June 2017
Exotic plants escaping from tourist lodges are invading and displacing the grasses on which millions of large, wild animals depend for food in East Africa
Climate march brings more than 200,000 activists together
3 May 2017
The march began at the US Capitol and ended at the White House, where demonstrators held a sit-in and rally while President Trump was inside
