Last update: October 16th, 2019 at 10:05 am
When Theodore Roosevelt entered the White House in 1901, he made environmental affairs a top priority. He signed into law the Antiquities Act, giving presidents the authority to proclaim federal lands as national monuments. During his time in office, Teddy Roosevelt created 50 wildlife refuges and 5 national parks. He also set aside 150 million acres of timberland and helped develop the the U.S. Forest Service.