Endangered Species

Human activities have imperiled our waterways — along with almost one-third of freshwater fish and many other aquatic species.

Saving endangered species sometimes means knowing where they used to live — before scientists started studying them. For that, we need historical ecologists.

Lost in much of the coverage of the region’s water woes is the ecological crisis caused by prolonged drought, climate warming and development.

Winged wonders get the spotlight in these new environmental books covering our relationship with nature.

Addressing environmental threats in Antarctica could help spur global action, an expert says.

A misguided attempt to control mosquito populations has nearly driven this tiny fish to extinction.

An important new survey — the first nationwide test of new technology — also reveals critical conservation priorities.

A new book looks at the “dark underbelly of our favorite fish” and urges regulators and businesses to better protect wild salmon, coastal ecosystems and consumers.

Can state agencies ensure conservation when hunters pay the bills and ranchers determine wildlife policy?

New research suggests understanding species’ social learning and adaptive strategies can make them partners in their salvation.