Pollution in Nepal

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Modern day Nepal is one of the most polluted and impoverished places in the world. Kathmandu has dangerous levels of air and water pollution, making certain regions of the city nearly unlivable. Additionally, problems like littering and excessive carbon emissions are causing problems for both people and the environment.
Many or most issues regarding air and water pollution can be traced back to the waste disposal system found in most urban and rural regions in Nepal, or rather, lack thereof. Without any convenient way to dispose of trash, people living on hillsides in the Himalayas either burn their trash or throw it into a river, reassured that the cool mountain waters will wash away the numerous scraps and debris. This creates many problems for both people and ecosystems found in Nepal, one of them being excessive water pollution. Groundwater remains to be a major source of water for over 1.5 million people in Nepal, and one study conducted in 2002 showed there to be iron, manganese, and mercury concentrations far exceeding the guideline values. Yet another study conducted in 2006 showed not only high levels of iron, arsenic, and mercury that exceeded Nepalese guidelines, but also found Escherichia Coli (E Coli) bacteria in 72% of all water samples. Those without access to basic sanitation rely on local surface water sources like rivers for bathing and washing clothes. Likewise, because Nepal is one of the poorest regions of the world (with the average person having a GDP of 700 U.S dollars) only 27% of Nepal’s 27.47 million people have access to basic sanitation. Consequently, people living in Nepal are at high risk for such water-borne diseases as diarrhea, dysentery, typhoid, and cholera. Sadly, children under the age of f...

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...tween exposure to particulate matter and respiratory problems such as asthma and bronchitis. Children, whose immune and respiratory systems are still developing, are more susceptible to the negative effects of particulate matter exposure, and are more likely to develop chronic respiratory diseases that a full-grown adult. Likewise, because these particles are so small, they can travel long distances and are able to affect regions far from the area where they were originally produced. Furthermore, fine particles such as these are particularly drawn to water and consequently contribute to acid rain, which can kill trees, destroy the leaves of plants, and can permeate soil.
In addition to PM2.5, black carbon (BC) is the strongest light-absorbing component of particulate matter. Likewise, BC has many of the same sources of PM2.5, including fossil fuels and biofuels.

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