Las Arenitas is an artificial oasis that recycles used water from the border city of Mexicali to regenerate ecosystems in the Colorado River delta.

South Africa’s False Bay was once known as a global hotspot for great white sharks. But within the span of a few years, ...

America’s wetlands were historically viewed as useless areas that stood in the way of development. More than half of the 221 million acres of wetlands that existed when Europeans settled have been ...