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Climate is events long-time weather range. The Earth’s climate is dynamic. Earth’s existence over the billions of years ago, it has changed many times in response to natural causes like sun spot, ice age glaciations, etc. Biodiversity knows no political boundaries and its conservation is therefore a collective responsibility of
all nations. Convention on Biological Diversity (CBD) is a step towards conserving biological diversity or biodiversity with the involvement of the entire world. The historic Convention on Biological Diversity (Biodiversity Convention – a multilateral treaty) was opened for signature at the Earth Summit in Rio de Janeiro in 1992 and entered into in 1993. The convention called upon all nations to take appropriate measures for conservation of biodiversity and sustainable utilization of its benefits.