Canada is seemingly flush with freshwater―but it isn’t immune to water scarcity. Protecting and restoring wetlands is one of the ways we can help nature to help us. ByJohnny Langenheim ...

A map that distinguishes natural from human-made features shows how both threaten Florida’s immense and unique freshwater marsh. ByMatthew W. Chwastyk This story appears in the September 2018 ...

This story appears in the July 2013 issue of National Geographic magazine. If you noticed them at all, they’d look like nothing more than tiny, windblown seeds floating amid the rushes at the ...

A harrowing expedition through one of the world's great delta regions reveals the threats it faces––and the wealth of life it sustains. Complex, ever changing patterns of water and land ...