Scientists also declared several other extinctions, including the first documented plant extinction in New Hampshire.

Paul Adepoju is a freelance journalist reporting on science, health, environment, technology and their intersections.

The Trump administration has already rolled back planned limits on PFAS chemicals, which have been linked to cancer and other health problems.

Earthen homes present an opportunity for building sustainably, but first we need to overcome several institutional barriers.

The new field of conservation psychology offers valuable lessons for protecting the world’s wildlife — as well as ourselves.