When Raeshaun Ramon first donned the distinctive green and gray uniform of a US National Park Service ranger, he feared his Native American tribe would judge him for his choice.Ramon is the first ranger at Saguaro to belong to the Tohono O'odham nation -- literally, the "desert people" -- even though the park is their historic territory.
American biologist Laura Brennan describes the coin-sized Karner blue butterfly as "very delicate and graceful" with a "lovely blue" coloring and "just a little speckling of orange."In Indiana, the Karner blue butterfly (Plebejus samuelis) is the first known endangered species to have disappeared from an American national park due to global warming.
Glacier National Park's ice fortress is crumbling.To this end, Glacier National Park's winding trails are dotted with signs that pose poignant questions.