DrSr6

aesthetic nepal nature environment methane monitoring landfill gas land reclamation sustainable waste management clean environment public health leachate management liner system hazardous waste safety environment management key requirements solid waste management landfill altitude survival vegetation weather climate change elearning science asia terrestrial plants aquatic plants adaptive characteristics habitat adaptation plants nature lover visit nepal sustainable development forest ecotourism rare species save animals biodiversity in-situ conservation royal bengal tiger one horned rhinoceous elephant nepal terai parsa national park national park water resources tu fourth year bsc environment science