Which one of the following expanded forms of the followings acronyms is correct?

Q. Which one of the following expanded forms of the followings acronyms is correct?

A.            IUCN = International Union for Conservation of Nature and Natural Resources

B.            IPCC = International Panel for Climate Change

C.            UNEP = United Nations Environmental Policy

D.            EPA = Environmental Pollution Agency

Answer: IUCN = International Union for Conservation of Nature and Natural Resources