EarthRock dusting on farms could cool the climate, so let's try it Crushed basalt applied to agricultural land could soak up billions of tons of carbon dioxide and boost crops. Let's put it to the test, says Olive Heffernan Comment
EarthPolar bears waste lots of their energy and it could be a problem We thought polar bears had neat tricks for conserving energy in lean periods, but it turns out they are not that thrifty, which could cause them trouble in the future News