A man in glasses looks into a fish tank in which fish of many colors are swimming. Ecotoxicologist Bob Wong studies how fish change when exposed to the antidepressant medication fluoxetine. Credit: ...

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 ...

When the U.S. Fish and Wildlife Service reintroduced 14 gray wolves to Yellowstone National Park in 1995, the animals were, in some ways, stepping into a new world. After humans hunted wolves to ...

Over the years, we’ve turned research, anecdotes and everyday experiences into a whole constellation of stories about the way we impact our world. Still, some voices may be missing from the ...

All organisms in an ecosystem are interconnected, and any imbalance in this complex relationship can have irreversible consequences for both humans and nonhumans. Numerous examples illustrate how the ...

A recent study quantifies the impact of biodiversity loss on ecological functions by tracking energy flows within them. It found that declines in birds and small mammals have led to a significant ...