With reference to ‘Global Environment Facility’ which of the following statements is/ are correct?

A It undertakes scientific research on environmental issues at global level

B It serves as financial mechanism for ‘Convention Biological Diversity’ and ‘United Nations Framework Convention on Climate Change’

C It is an agency under OECD to facilitate the transfer of technology and founds to underdeveloped countries with specific aim to protect their environment

D Both(A) and (B)