Reducing soil runoff during heavy rains can help preserve important reefs off the Hawaiian island.
Mexico’s “Water Forest” provides water for 23 million people in one of the world’s largest metropolitan areas.
Cities cover only 2% of the Earth’s surface but use up to 75% of its resources.
On a recent visit to eastern Colombia, I was glad to see that conservation agreements are having an impact.
Like many places in the tropics, Borneo is burning — and the consequences are widespread.
In a few short months, Sophy has gone from borrowing money to loaning it.
Three million people depend on fish from Cambodia’s highly threatened Tonle Sap Lake.
How many visitors to Angkor Wat consider what led its creators to abandon the largest city of its time?
In the next 15-20 years, the world will need 30% more water, 45% more energy and 50% more food.
Invasive species are destroying local subsistence crops, leading people to migrate to urban areas.