Amerykańskie parki narodowe tracą swoją tożsamość przez zmiany klimatu - AFP

A fire danger warning in Saguaro National Park near Tucson, Arizona, on November 19, 2023. The park has the largest concentration of iconic saguaro ca...

A Cactus Wren, the state bird of Arizona, stands on top of a Saguaro Cactus in Saguaro National Park near Tucson, Arizona, on November 19, 2023. The p...

A building is surrounded by thousands of Saguaro Cactus at the eastern edge of Saguaro National Park near Tucson, Arizona, on November 19, 2023. Most...

A vehicle enters Saguaro National Park near Tucson, Arizona, on November 19, 2023. The park has the largest concentration of iconic saguaro cacti in t...

A Saguaro Cactus is framed in Saguaro National Park near Tucson, Arizona on November 19, 2023. The park has the largest concentration of iconic saguar...

Early stages of a new arm sprout from the side of a Saguaro Cactus in Saguaro National Park near Tucson, Arizona, on November 19, 2023. The park has t...

A Saguaro Cctus grows through the roof of a home in Tucson, Arizona,on November 19, 2023. The park has the largest concentration of iconic saguaro cac...

A flower grows on a prickly pear cactus in Saguaro National Park near Tucson, Arizona,on November 19, 2023. The park has the largest concentration of...

Sharp spines cover a Saguaro Cactus in Saguaro National Park near Tucson, Arizona ,on November 19, 2023. The park has the largest concentration of ico...

A rare crested, or Cristate Saguaro, in Saguaro National Park near Tucson, Arizona, on November 19, 2023. The park has the largest concentration of ic...

Saguaro Cactus line a hillside in Saguaro National Park near Tucson, Arizona, on November 19, 2023. Most national parks were set up in areas that are...

In this long exposure photograph, a neon saguaro cactus sign in downtown Tucson, Arizona, on November 19, 2023. Most national parks were set up in ar...

A fallen Saguaro Cactus decomposes in Saguaro National Park near Tucson, Arizona, on November 19, 2023. The park has the largest concentration of icon...

A fallen Saguaro Cactus decomposes at the western edge of Saguaro National Park near Tucson, Arizona, on November 19, 2023. The park has the largest c...

A car travels through Saguaro National Park near Tucson, Arizona, on November 19, 2023. Most national parks were set up in areas that are Indigenous a...

A fallen Saguaro Cactus decomposes in Saguaro National Park near Tucson, Arizona, on November 19, 2023. Most national parks were set up in areas that...

Coyotes wander down a road at the edge of Saguaro National Park near Tucson, Arizona, on November 19, 2023. The park has the largest concentration of...

Petroglyphs at Signal Hill in Saguaro National Park near Tucson, Arizona, on November 19, 2023. Most national parks were set up in areas that are Ind...

Petroglyphs at Signal Hill in Saguaro National Park near Tucson, Arizona, on November 19, 2023. Most national parks were set up in areas that are Ind...

People watch sunset from Gates Pass near the entrance to Saguaro National Park in Tucson, Arizona, on November 19, 2023. Most national parks were set...

A stressed old-growth Saguaro Cactus with multiple arms towers over the desert floor in Saguaro National Park near Tucson, Arizona, on November 19, 20...

In this aerial view, a vehicle travels along a road near the western edge of Saguaro National Park near Tucson, Arizona, on November 19, 2023. The par...

A Saguaro Cactus with a missing top stands in Saguaro National Park near Tucson, Arizona, on November 19, 2023. The park has the largest concentration...

Biologist Frankie Foley shows volunteers how to remove buffelgrass in Saguaro National Park, on November 18, 2023. In 2020 and again in 2023, the regi...

Raeshaun Ramon, ranger at Saguaro National Park, holds syrup from Saguaro fruits on November 17, 2023. Most national parks were set up in areas that a...

Jacelle Ramon-Sauberan, member of the Tohono O'odham Nation, in Saguaro National Park on November 17, 2023. Most national parks were set up in areas t...

Raeshaun Ramon, ranger at Saguaro National Park, poses for a portrait on November 17, 2023. Most national parks were set up in areas that are Indigeno...

Jacelle Ramon-Sauberan, member of the Tohono O'odham Nation, in Saguaro National Park on November 17, 2023. Most national parks were set up in areas t...

Biologist Don Swann measures a Saguaro cactus in Saguaro National Park, on November 16, 2023. Young saguaros, which grow slowly, are particularly vuln...

Biologist Don Swann looks at the remains of a dead Saguaro cactus in Saguaro National Park, on November 16, 2023. Young saguaros, which grow slowly, a...

A young Saguaro cactus at Saguaro National Park, in Arizona, on November 16, 2023. Young saguaros, which grow slowly, are particularly vulnerable to d...

A young Saguaro cactus at Saguaro National Park, in Arizona, on November 16, 2023. Young saguaros, which grow slowly, are particularly vulnerable to d...

This aerial photo shows Mount Baldy at Indiana Dunes National Park near Porter, Indiana, on November 3, 2023. US Biologist Laura Brennan describes the...

This aerial photo shows rocks built up in front of homes along the coast of Lake Michigan in Ogden Dunes, Indiana, on November 3, 2023. Houses in one...

This aerial photo shows the Northern Indiana Public Service Company Power Plant in Michigan City, Indiana, near Indiana Dunes National Park on Novembe...

This aerial photo shows rocks built up along the shore of Lake Michigan in Beverly Shores, Indiana, on November 3, 2023. Houses in one of the villages...

This aerial photo shows rocks built up along the shore of Lake Michigan in Beverly Shores, Indiana, on November 3, 2023. Houses in one of the villages...

This aerial photo shows rocks built up along the shore of Lake Michigan in Beverly Shores, Indiana, on November 3, 2023. US Biologist Laura Brennan de...

This aerial photo shows rocks built up along the shore of Lake Michigan in Beverly Shores, Indiana, on November 3, 2023. Houses in one of the villages...

This aerial photo shows Indiana Dunes National Park and Lake Michigan near Porter, Indiana, on November 2, 2023. US Biologist Laura Brennan describes...

This aerial photo shows Indiana Dunes National Park and Lake Michigan near Porter, Indiana, on November 2, 2023. US Biologist Laura Brennan describes...

National Park Service Geologist Erin Argyilan poses at Indiana Dunes National Park on November 2, 2023. At Indiana Dunes National Park, beaches are su...

Geologist Laura Brennan poses in Indiana Dunes National Park in Indiana on November 2, 2023. Brennan describes the coin-sized Karner blue butterfly as...

A sign to protect the dunes in Indiana Dunes National Park, on November 2, 2023. At Indiana Dunes National Park, beaches are submerged, and the namesa...

A restored Black Oak Savanna ecosystem, where the Karner Blue Butterfly used to live, in Indiana Dunes National Park, on November 2, 2023. US Biologis...

This aerial photo shows Mount Baldy in Indiana Dunes National Park on November 1, 2023. At Indiana Dunes National Park, beaches are submerged, and the...

This aerial photo shows Indiana Dunes National Park near Porter, Indiana, on November 1, 2023. US Biologist Laura Brennan describes the coin-sized Kar...

This aerial photo shows a revetment along the coast of Lake Michigan in Ogden Dunes, Indiana, on November 1, 2023. Houses in one of the villages that...

This aerial photo shows a revetment along the shore of Lake Michigan in Ogden Dunes, Indiana, on November 1, 2023. Houses in one of the villages that...

This aerial photo shows trains at a rail yard along Lake Michigan in Burns Harbor, Indiana, on November 1, 2023. At Indiana Dunes National Park, beach...