EnvironmentCloud geoengineering could help us avoid major climate tipping points A model predicts that marine cloud brightening would reduce the risk of some disastrous changes in the climate, but could also have some negative consequences 51¶¯Âþ
EnvironmentClimate change will prompt expansion of farming in northern wilderness As the world warms, vast areas of wilderness in Russia, Canada and Alaska will become more suitable for farming, threatening the local wildlife 51¶¯Âþ