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In Kathmandu, ambient air pollution due to construction projects, the high population which results in an increased number of vehicles, and bad conditions of the road lead to hazardous pollution. [3] In Nepal, Diarrhea is the 4th leading cause of death. There is still limited systemic monitoring of the water system and water quality. [4]
Air pollution can affect nearly every organ and system of the body, negatively affecting nature and humans alike. Air pollution is a particularly big problem in emerging and developing countries, where global environmental standards often cannot be met. The data in this list refers only to outdoor air quality and not indoor air quality, which ...
Air pollution is a major issue in the Kathmandu Valley. [46] [47] [48] According to the 2016 World Health Organization's Ambient Air Pollution Database, [49] the annual average PM2.5 (particulate matter) concentration in 2013 was 49 μg/m 3, which is 4.9 times higher than recommended by the World Health Organization.
Air pollution can cause diseases, allergies, and even death; it can also cause harm to animals and crops and damage the natural environment (for example, climate change, ozone depletion or habitat degradation) or built environment (for example, acid rain). [2] Air pollution can occur naturally or be caused by human activities. [3]
Bagmati at western Ring Road bridge between Lalitpur and Kathmandu, Nepal. Water pollution occurs when water bodies, such as rivers, lakes and oceans are contaminated with harmful substances. These substances degrade the water quality and are toxic to humans as consumers and to the environment. [7]
Biomass is by far the most important primary energy source in Nepal. Biomass comprises wood, agricultural residues and dung. One major problem with this is that burning these biomass substances for cooking is a common practice (87.3%) and thus exposes those living in the house to harmful air pollutants. [7]
Particulate pollution is pollution of an environment that consists of particles suspended in some medium. There are three primary forms: atmospheric particulate matter, [1] marine debris, [2] and space debris. [3] Some particles are released directly from a specific source, while others form in chemical reactions in the atmosphere.
Nepal launched its National Adaptation Plan (NAP) process in September 2015. The two main objectives of the NAP are (i) to reduce vulnerability to climate change impacts by improving resilience and adaptive capacity, and (ii) to integrate climate change adaptation into new and current policies, programs, activities, and development strategies ...