Which one of the following pairs of acronyms and expansions is correct?
IUCN (International Union for Conservation of Nature and Natural Resources) has its headquarters at Gland, Switzerland. It studies the threat to biodiversity in all parts of the world by gathering information about the geographical distribution, population size and population changes of various taxa. It prepares the Red List.
The correct expansions for the other acronyms are:
EPA - Environmental Protection Agency
UNEP - United Nations Environment Programme
IPCC - Intergovernmental Panel on Climate Change