EarthChina aims to slash its air pollution by 2017 After suffering the worst smog on record earlier this year, China has decided to cut the emission of air pollutants by 30 per cent in five years ¿ìè¶ÌÊÓÆµ
EarthKeystone pipeline is greenest option for tar sands Canada's tar sand oil is far more polluting than the conventional kind, but the controversial Keystone pipeline is the cleanest way to get it to market ¿ìè¶ÌÊÓÆµ