Biodiversity

A new study — the first of its kind — finds that the world’s conservation areas fail to protect hundreds of rare cactus species.

Researchers have identified a new tree species in Cameroon, but it only grew in a landscape that has now been destroyed by agriculture.

Populations of the green sea turtle, or honu, increased as the Hawaiian language made a comeback. Saving other languages from extinction could help protect biodiversity.

Books coming out this month also examine the dangerous world of wildlife trafficking, the history of poisonous chemicals and new ideas in agriculture.

To restore Southern Resident killer whales and salmon, we need to look at our dams — and ourselves.

Current laws further a cycle of poverty while not really protecting rare plants. There’s a way to fix that.

The extinction of the Christmas Island flea — and the current risk to other parasites — shows a major gap in conservation efforts.

At least 95 percent of Madagascar’s beloved primates are now at risk, conservationists warn.

Books coming out this month also examine endangered languages, the lingering effects of colonialism and how war hurts the environment.

Plus, a few tips on how to deal with the gloom and doom of environmental issues.