The Nature Conservancy is one of the leading conservation organizations around the world. The organization has protected more than 119 million acres of land and 5,000 miles of rivers worldwide. It also operates more than 100 marine conservation projects globally. The Nature Conservancy works in all 50 states and more than 30 countries protecting habitats from grasslands to coral reefs, from Australia to Alaska to Zambia. Located in Little Rock, Ark., it addresses threats to conservation involving climate change, fresh water, oceans and conservation lands.