Global Climate change is an unequivocal. The problem of free riders on common natural resources creating the global problem that nobody can be freed from it. As Nepal has no significant contribution in green house gas emission, but facing environmental problems due to warming up the global temperature. Melting of the Himalayan glaciers, forming new glacial lakes and bursting are the major threat.

Kirant or Kirat refers to the Kiranti group or Kirant confederation that includes the Rai, Limbu and Sunuwar ethnic groups of Nepal. The distinct Tibeto-Burman languages of the Rai, Limbu and Sunuwar are known as Kiranti. Kirant are mainly confined in the eastern part of Nepal. The total population of the Kirant is about one-million, which comprises around 4 percentage of the total population. The Kirant follow their own religion (Kirant Mundhum) distinct from Hinduism and Buddhism. Their holy book is the Mundhum; it is taken as an oral philosophy. The Kirants are mainly known as a land-son. They are believed to worship their ancestors and live in harmony with nature. Mundhum does not believe in concept of cremating to the dead body like Hindu. If it is cremated then the dead soul gets a lot suffering.