At a Glance

The Everglades National Park is the only site in the United States designated as "critical."Globally, the number of assessed sites that have been threatened by human-caused climate change has nearly doubled from 35 to 62 since 2014.

Florida's Everglades National Park remains the most endangered natural world heritage site in the United States, a new report says.

According to a World Heritage Outlookreleased last monthby theInternational Union for Conservation of Nature and Natural Resources, the "and is the only site of 11 sites assessed in the United States to be designated as such. The site keeps the same critical designationthat it received the last time IUCN assessed the sites in 2014.