WWF scientists have developed data and maps of the world's rivers that provide valuable information about where streams and watersheds occur and how water drains the land surface. Washington, DC – A ...

Unseen mountains, valleys, lakes, and rivers lie under Antarctica’s mile-thick ice sheet. Changes to those hidden rivers ...

and Danxia sandstone landforms in the alpine zone include some of the best of their type in the mountains of the world. Criterion (ix): The dramatic expression of ecological processes in the Three ...