This nationwide crisis has prompted park agencies across the country to partner with their public health agencies to sound the alarm about youth vaping.
Today, the United States is seeing the greatest number of measles cases since it was declared eradicated in 2000.
Take a look at how this initiative is changing littering behaviors and read a few of the success stories.
The Great American Rail-Trail™ aims to create a multi-use path across the country and a legacy for generations of Americans. At more than 3,700 miles, it will be separated from roads for its entirety.