The modern environmental movement started taking shape early in the 1960’s. But it came to national attention about 50 years ago, on June 22, 1969, when the Cuyahoga River burned for the last time.
What comes to mind when you think about our national parks? Do you envision the amazing vistas of the Grand Canyon, or perhaps wild and wonderful Yellowstone? America’s national parks are a travel destination for millions of us year-to-year. Let’s check out some numbers: