9. The Everglades (USA)
The Everglades are a vast expanse of subtropical wetlands, home to countless rare species. Now, rising sea levels and saltwater intrusion are reshaping the landscape, endangering freshwater habitats and native wildlife. This delicate balance is being lost, as similar threats impact other low-lying reserves like the Okavango Delta. Without decisive action, the Everglades may lose their unique character, impacting biodiversity and the communities that depend on this natural wonder.
