All of Arizona’s mightiest rivers have been dammed, except one—The San Pedro. The riparian habitat associated with the San Pedro is so...

Before we had laws that regulated how we dispose of solid waste materials (household, municipal, commercial, or industrial), the most...

In the early 1900’s, there were no laws protecting free-roaming wild horses and burros. On her way to work one morning in 1950, rancher...

In the 20th century, awareness grew that we needed a system of national parks so that all Americans could learn about and enjoy our...

In 1872, Yellowstone National Park, the first National Park in the U.S. was created. Today there are 58 National Parks and 23 National...

Sometimes, in order to defend our country, the U.S. military “withdraws and reserves” certain public lands for military training and...

Legislators decided in 1929 that conservation planning was needed to protect migratory birds. The Migratory Bird Conservation Act (MBCA)...

Forests are more than just a bunch of trees. That was the idea behind the Multiple Use and Sustained Yield Act (MUSYA) of 1960. A period...

Widespread destruction of archaeological sites, a common result of federally funded projects during the 20th century, was the impetus for...

2018 marks the 50th Anniversary of the National Trails System Act (NTSA), enacted to preserve and promote public access by foot, bicycle,...