EarthWill carbon capture clean up tar sands? For the first time a carbon capture and storage plant will store some of the carbon dioxide produced by refining dirty oil from tar sands ¿ìè¶ÌÊÓÆµ
EarthWaste water harnessed to make electricity and plastics The treatment of waste water can be used to create energy and biodegradable plastics ¿ìè¶ÌÊÓÆµ