As ecosystems degrade at an alarming rate, humanity must find new ways to value the natural world so it isn’t lost forever. Some economists and environmentalists say that to protect nature, we must ...

For decades, ecologists have puzzled over a mystery: Why do some natural habitats get overrun by invasive species while others seem to repel outside threats? In a classic 1958 book on the subject, the ...

The retreat of the planet's glaciers is one of the most visible and dramatic indicators of the far-reaching impact of climate change on the world's ecosystems. Now, a new paper published in Nature ...