Across the world, rainforests are becoming savanna or farmland, savanna is drying out and turning into desert, and icy tundra is thawing. Indeed, scientific studies have now recorded “regime shifts” ...

If you liked this story, share it with other people. The combined effects of humanity’s actions are making ecosystems less resistant to change, and threatening the vital ecosystem services humanity ...

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 ...