832-57718 - Rock salt mined from an underground mine is piled up at the Detroit Salt Company, the salt is used mainly for high de-icing, Detroit, Michigan, USA
911-8766 - Sulphur which has to be extracted from the raw bitumen from tar sands piled up in huge mountains by the Syncrude upgrader plant near Fort McMurray, Alberta, Canada, North America
911-8705 - The tar sands are the largest industrial project on the planet, and the world's most environmentally destructive, Alberta, Canada, North America
857-34164 - A wind power installation towers over the Shell-DEA oil refinery plant near the town of Heide in the German state of Schleswig-Holstein. Situated between Germany's two coastlines, the northern state has invested heavily in new, renewable energies. In 2005, there were 2.595 wind turbines in Schleswig-Holstein, generating over 30% of the state's energy. Wind power accounts for 6,7% of Germany's overall energy needs.