Papua New Guinea, Environment, Deforestation of hillside for agricultural use. Aerial view over terraces and surrounding forest.

Botswana, Nywane Dam, Dam wall and high water level.

Mexico, Gulf Coast, Cuidad del Carmen, Cattle grazing on deforested land.

Eritrea, Barentu, Area of deforestation.

Brazil, Amazonas, Amatura, Floating logs down river.

Ghana, Akosombo Dam, View south across the Akosombo Dam.

China, Gansu, Lanzhou, Liujiaxia gorge and dam on the Yellow River.

Indonesia, Borneo, Deforestation, Area cleared by logging industry.

England, London, Canary Wharf, View over the City of London from Canada Tower in a haze of smog at dawn.