(CNN) — “National parks are the best idea we ever had,” declared American writer and environmentalist Wallace Stegner. And like many great inventions, the park system became wildly popular. More than 300 million people are expected to visit US national parks in 2022, a 75% increase since the 1970s. And while introducing so many to […]
"National parks are the best idea we ever had," declared American writer and environmentalist Wallace Stegner. And like many great inventions, the park system became wildly popular.