EnvironmentShould we tweak the atmosphere to counteract global warming? With severe climate impacts becoming more and more apparent, many scientists think we should explore ways to block out solar radiation, but doing so would be risky News
EnvironmentArctic permafrost is now a net source of major greenhouse gases An Arctic-wide survey has found that the permafrost region is emitting more carbon into the atmosphere than it absorbs, causing the planet to heat even further News