What is Rio+20 Conference, often mentioned in the news?
a
It is the United Nations Conference on Sustainable Development
b
It is a Ministerial Meeting of the World Trade Organization
c
It is a Conference of the Inter-governmental Panel on Climate Change
d
It is a Conference of the Member Countries of the Convention on Biological Diversity
International Environmental ConventionsUN Conference on Sustainable Development (Rio+20)Rio+20 ConferenceUnited Nations Conference on Sustainable DevelopmentUNCSDEarth Summit