EnvironmentHere's how coral reefs might survive hotter, more acidic oceans Coral reefs around the world are at risk of collapse due to rising temperatures and acidifying oceans, but the natural adaptability of some species may help buy time ¿ìè¶ÌÊÓÆµ
EnvironmentMega El Niños may have played a part in the Permian mass extinction Extreme weather events lasting more than a decade could have killed off forests 250 million years ago, contributing to Earth's worst ever mass extinction ¿ìè¶ÌÊÓÆµ