Devastating melt of Greenland, Antarctic ice sheets found
The Greenland and Antarctic ice sheets are now losing more than three times as much ice a year as they were 30 years ago
Animal populations experience average decline of almost 70% since 1970
Huge scale of human-driven loss of species demands urgent action, say world's leading scientists
Canada banning single-use plastics to combat pollution
Prime Minister Justin Trudeau said the ban could eliminate 1.3 million tons of plastic waste over the next decade.
Great Barrier Reef's future dealt blow as study finds only 2% escaped coral bleaching
New research comes months after Australian government lobbied to keep coral reef off world heritage "in danger" list.