EarthClimate sceptics may find fertile ground in US schools A conservative organisation is working to sow doubt in US classrooms on the science of climate change. Polls suggest it may not fall on deaf ears ¿ìè¶ÌÊÓÆµ
EarthFracking health risks: Drilling into the unknown Many fear that by-products of shale fracking – cracking the rock to release its gas – will harm their health. ¿ìè¶ÌÊÓÆµ examines the evidence ¿ìè¶ÌÊÓÆµ