UNESCO

Environmentalists attend a demonstration on January 11th, 2018, in Sofia, Bulgaria, to protest recent changes in the management plan of the country's Pirin National Park.

• By Pacific Standard Staff

There's a growing body of evidence that humans have been modifying tropical forests for over 40,000 years. What can this history teach modern conservationists?

• By Cassie Freund

The International Union for the Conservation of Nature has released a study showing that 1.8 percent of wilderness areas are covered under World Heritage protection—and how much more can be done.

• By Morgan Erickson-Davis