Ideas

Scientist Ellen Wohl explains why the administration’s decision to rewrite a key component of the Clean Water Act is scientifically unsound and dangerous.

A look back at the circuitous, bloody history of attempts to remove wolves from the Endangered Species Act.

Many ecologically important insects spend most of their lives in streams, but new research shines a light on how humans put them at risk.

Ecologist Jodi Hilty explains what conservationists have learned about linking critical habitat areas together.

A thriving population of servals at petrochemical plant suggests that even heavily industrialized sites can still be good places for conservation.

What border communities really need are solutions to address economic, health and climate problems — and the mesquite tree can help.

The unexpected announcement reverses a plan to move people out of critical protected habitats — and puts the nation’s amazing biodiversity at risk.

Researcher Emily Francis explains how the coast redwoods and sequoias fared during California’s drought and what that means for future climate resilience.

The ancestors of the newly described Heath’s tick date back to the time of the dinosaurs, but climate change and invasive species could soon wipe the tick out.

Healthy parasites are one sign of a healthy ecosystem, but there’s a lot more to them than that.