EnvironmentClimate change may kill off nearly all polar bears by 2100 Unchecked climate change will doom all but one of the world’s populations of polar bears before the end of the century, as vanishing sea ice increases their annual fasts beyond their limits News
EnvironmentA sprinkle of rock dust could help avoid catastrophic climate change Spreading rock dust on cropland around the world could absorb a tenth of humanity's carbon budget, which would help avoid triggering catastrophic levels of global warming News