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

For 50 years the Land and Water Conservation Fund has helped support thousands of projects across the country, but its funding may be gone by the end of the month.

Humans famously used ultralight aircraft to teach cranes to migrate. What has happened since then may offer clues about how to reintroduce other species back to the wild.

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.

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.

As Washington state prepares to vote on a carbon tax, how is the one in Alberta, Canada, faring?

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

When roads are built in grizzly habitat, bears come into conflict with humans more often. A new report explains what’s necessary to keep the bears from dying.

We have five questions for Kate Schapira, founder of Climate Anxiety Counseling.