The correct option is A IUCN - International Union for Conservation of Nature and Natural Resources
IUCN, International Union for Conservation of Nature, helps the world find pragmatic solutions to our most pressing environment and development challenges. IUCN work focuses on valuing and conserving nature, ensuring effective and equitable governance of its use, and deploying nature-based solutions to global challenges in climate, food and development. Thus, option A is correct.
IPCC stands for Intergovernmental Panel on Climate Change. Thus, option B is wrong.
UNEP stands for United Nations Environment Programme. Thus, option C is wrong.
EPA stands for Environmental Protection Agency. Thus, option D is wrong.