Aegean volunteers battle to turn plastic waste tide

Dressed in her protective wetsuit and scuba gear, Antigone Kouteri jumps into the murky waters of Zakynthos harbour in search of plastics—and promptly snags her arm on a submerged object.

UN chief warns of 'point of no return' on climate change

U.N. Secretary-General Antonio Guterres said Sunday that the world's efforts to stop climate change have been "utterly inadequate" so far and there is a danger global warming could pass the "point of no return."

Warming toll: 1 degree hotter, trillions of tons of ice gone

Since leaders first started talking about tackling the problem of climate change, the world has spewed more heat-trapping gases, gotten hotter and suffered hundreds of extreme weather disasters. Fires have burned, ice has ...