EarthEarth's cloud shield against warming may be weaker than thought The whiteness of clouds reflects sunlight back into space – but climate models may have overestimated just how protective this effect is to our planet 51¶¯Âþ
EarthPilot plant to turn CO2 into house parts and paving stonesWhat to do with carbon dioxide extracted from air? One initiative is aimed at locking it up in rock, making useful building materials in the process51¶¯Âþ