The United Nations Frame work Convention on Climate Change (UNFCCC) is an international treaty drawn at:

World Summit on Sustainable Development, Johannesburg, 2002

United Nations Conference on the Human Environment, Stockholm, 1972

UN Conference on Environment and Development, Rio de Janerio, 1992

UN Climate change conference, Copenhagen, 2009

The United Nations Frame work Convention on Climate Change (UNFCCC) is

1.	The United Nations Frame work Convention on Climate Change (UNFCCC) is an international treaty drawn at:
A.	United Nations Conference on the Human Environment, Stockholm, 1972
B.	UN Conference on Environment and Development, Rio de Janerio, 1992
C.	World Summit on Sustainable Development, Johannesburg, 2002
D.	UN Climate change conference, Copenhagen, 2009
Answer» C. World Summit on Sustainable Development, Johannesburg, 2002