massive efforts to conserve wildlife
51Energy crisis — An energy crisis is any great bottleneck (or price rise) in the supply of energy resources to an economy. It usually refers to the shortage of oil and additionally to electricity or other natural resources. An energy crisis may be referred to as… …
52Red Fort — This article is about the Red Fort in Delhi. For the Red Fort in Agra, see Agra Fort. Coordinates: 28°39′21″N 77°14′25″E / 28.65583°N 77.24028°E / …
53Deforestation in Brazil — A NASA satellite observation of deforestation near Rio Branco in Brazil observed July 28, 2000 …
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