Biodiversity conservation is a collective responsibility of all the nations. Convention on Biological Diversity (The Earth Summit) held in Rio de Janerio in 1992 called upon all the nations to take initiative in biodiversity conservation. In a follow up World Summit on Sustainable Development was held in 2002 in Johannesburg, South Africa. In this, 190 countries made commitments to significandy reduce the current rate of biodiversity loss at global, regional and local levels by 2010. In 2012, the United Nations Conference on Sustainable Development was again held at Rio and is called Rio+ 20 or Rio Earth summit 2012.