Biodiversity

The Pacific bluefin tuna is vulnerable to extinction and yet fisheries managers may vote to increase the number that can be caught.

The international community took steps to protect two increasingly rare species this week, providing an important reminder that treating otters as pets harms the iconic animals in the wild.

Returning prescribed fire to California forests is the focus of a new climate-adaptation plan from the Karuk Tribe, but the federal government will need to play big role.

New research finds that ocean warming has damaged some fisheries and benefited others, although the losers outweigh the winners. But there’s still some encouraging news.

A look at five years of published studies finds that most primate species and habitats remain understudied. There are ways to fix that.

New wildlife trade rules being discussed at CITES could affect 550 species, including elephants, rhinos and giraffes.

Big-nosed giant guitarfishes and wedgefishes are now the most endangered marine fish group. Will the international community step up to protect them from trade and exploitation?

Indonesia raised its captive and export quotas for this over-exploited species, just as new international regulations are about to be discussed.

Changes to regulations about critical habitat and consideration for economic interests threaten to upend more than 45 years of conservation success. But the worst may still be to come.

To keep pace with environmental loss, scientists working to restore tropical reefs have turned their attention to coral reproduction and increasing diversity.