An analysis of recent and historical satellite imagery collected over the past forty years was carried out for Lake Chad in West Africa, the Sundarbans along the India-Bangladesh border, Papue in Indonesia, the Parnanaense Forest around Itaipu Dam and Iguazu Falls at the juncture of Argentina, Brazil and Paraguay, and the Ataturk Dam and the Harran Plain in southeastern Turkey to provide scientific evidence of environmental change taking place in these ecologically fascinating regions of the world.