In the early 1990s, biologist Alejandro Simeone was walking the beaches of Viña del Mar, in central Chile, when he encountered a scene that would end up defining his career: dead Humboldt Penguins...

Across the globe, birdsong is stunningly diverse—from the slow trills of a Northern Cardinal, to the flat whistle of a Three-wattled Bellbird, to the chirps and buzzes of a Barn Swallow. Behind...

Many sustainability programs may be aiming at the wrong target because most entrepreneurs won’t become environmental activists.

Native religions are tied to living landscapes, not points on a map. A scholar of Indigenous studies explains why reducing the protected area has profound religious and cultural consequences.

A new global assessment of the world’s migratory species finds reason for alarm, but also hope – and a road map for helping them survive.

Five figures that show how rising heat and rising electricity costs are colliding for US households 

UCS is helping to rebuild federal science infrastructure and institutions from outside the government... to preserve what’s being dismantled within it.

The flute-like song of a Wood Thrush is one of the signature sounds of summer forests in the Northeast. But that familiar song is becoming less common as forests become increasingly fragmented and...

Fargo, North Dakota (July 22, 2026) — The National Audubon Society has surpassed 20,000 acres of grassland restoration through its North Dakota Conservation Forage Program, marking a...

What communities and businesses really need is information they can act on, with examples of what’s worked elsewhere and why – and what fails.

There is no single thermostat setting that is right for every person or every home. And there are other easy, low-cost steps that can help keep everyone comfortable when hot weather sets in.