Images of an ecosystem in flux by wildlife photographer Paul Souders.

New technologies offer promise for expensive process of making saltwater fresh.

A proposal to ban the export of the critically endangered bluefin tuna has been rejected at a UN wildlife meeting.

Artist Daniel Arsham explores the intersection of nature and architecture.

(Without the food coloring.)

Condoms for a cause.

A mixtape honoring our favorite form of transport.

But wildlife conservation groups oppose the project, the New York Times reports.