Air and water pollution are significant environmental problems in Nepal. According to United Nations sources, the nation produces 18,000 tons of carbon monoxide and 3,300 tons of hydrocarbons per year. Roughly one-third of the nation's city inhabitants and two-thirds of all rural dwellers do not have pure water, and the use of contaminated drinking water creates a health hazard. Untreated sewage is a major pollution factor: the nation's cities produce an average of 0.4 million tons of solid waste per year.
In 2001, 28 of Nepal's mammal species and 27 of its bird species were endangered, as were 7 plant species. Species classified as endangered in Nepal include the snow leopard, tiger, Asian elephant, pygmy hog, great Indian rhinoceros, Assam rabbit, swamp deer, wild yak, chir pheasant, and gavial.
In 2001, 28 of Nepal's mammal species and 27 of its bird species were endangered, as were 7 plant species. Species classified as endangered in Nepal include the snow leopard, tiger, Asian elephant, pygmy hog, great Indian rhinoceros, Assam rabbit, swamp deer, wild yak, chir pheasant, and gavial.
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