The Museum for the United Nations has partnered with musicians to re-release some of their songs with added nature sounds to generate royalties for conservation efforts.

Old-growth forest can do things younger tree stands cannot, ecologists say. Older forests may sequester more carbon and harbor increased biodiversity. Now, the people who love these rare, complex ecosystems say they need protection.

The National Butterfly Center in Mission, Texas, has been embroiled in political turmoil after fighting against the erection of a border wall.