Last decade was Earth's hottest ever as CO2 levels reach an 800,000-year high Last year was the hottest year on record, the top 10 hottest years were all in the past decade and planet-heating ...

Last year was the hottest year on record, the top 10 hottest years were all in the past decade and planet-heating carbon dioxide levels in the atmosphere are at an 800,000-year high, a UN report said.

Last Decade Was Earth's Hottest Ever as CO2 Levels Reach an 800,000-Year High, Says UN Report Last year was the hottest year on record, the top 10 hottest years were all in the past decade and ...