I cannot resist: This sort of "program" (junior ranger) is the type of thing that could be cut in the future....

Yosemite Junior Ranger Returns Two Sticks to the Park

When visiting a national park, one should always leave things exactly as they were. Hats off to Evie, a junior ranger at Yosemite National Park, for living the motto. After returning home from a trip to the internationally known park, young Evie discovered that she had "accidentally brought home two sticks."

Honest Evie put the sticks in the mail and sent them back to Yosemite along with a letter that even the most jaded nature-hater would find completely charming.

Rest of the story here