Environment
Arctic sea ice reaches wintertime maximum, among lowest on record: NASA
Watch: Deep-sea anglerfish caught mating in first ever video
Scientists express alarm over giant plastic patch in Pacific Ocean
United Nations: Last three years were hottest on record
Indonesian volcano spews toxic gas: Hundreds evacuated, 30 hospitalized
MIT creates SoFi: Robo-fish can dive 50ft deep, swim unnoticed
Plastic in world's oceans predicted to triple by 2025
Rare underwater video captures minke whale: Lesser known facts about the creature
Underwater 'fountain' of magma discovered beneath Yellowstone heightens fears of massive eruption
McDonald's targets beef production in ambitious effort to cut greenhouse gas emissions
Glacial melting crosses point of no return - it cannot be stopped anymore
World water crisis in numbers
Sea level warning: France-sized Antarctic glacier found moving into ocean fast
Sudan dead: World's last male northern white rhino euthanized in Kenya
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