AP Environmental Science Timeline

  • John Muir (April 21 1838 - December 24 1914)

    John Muir (April 21 1838 - December 24 1914)

    John Muir is vital to environmental science due to him establishing the first national park. This is important because it helped preserve aspects of the wilderness, and to help up keep the area for future generations.
  • Walden by Henry David Thoreau

    Walden by Henry David Thoreau

    Walden by Henry David Thoreau is critical due to the fact it lays down the footing environmental literature. Which helped promote a connection with nature and to help make earth better
  • Homestead Act

    Homestead Act

    The Homestead Act was a group of settlers who lived on land and for the next five years they would improve and help the land be prosperous. This was supposed to help economic growth and to help the land more wildly.
  • Yellowstone national park founded

    Yellowstone national park founded

    Yellowstone national park is very highly praised due to all the distinctive geological features which helps it be more recognized than other national parks. Yellow Stone national park also has a lot of biodiversity which helps its ecosystem thrive and become a tourist attraction.
  • American Forestry Association founded

    American Forestry Association founded

    The American Forestry Association was a organization that helped promoted helping forests and helped bring them back and to be more healthy. This organization was vital because it helped people make a change within communities to help preserve these ecosystems
  • Yosemite plus and Sequoia national park founded

    Yosemite plus and Sequoia national park founded

    Yosemite and Sequoia national parks were established in 1890 this park was the third national park founded in the United states. These parks promoted biodiversity and helped new ecosystems flourish
  • General Revision Act

    General Revision Act

    The General Revision act was the act that companies and people had to own land before tearing down trees and destroying ecosystems, and it also allowed presidents to make forest reserves. This caused a huge impact because people couldn't single handedly wipe out ecosystems on their own free will.
  • Sierra club founded

    Sierra club founded

    The Sierra club was founded in May of 1892 this parks first president was John Muir. This helped preserve and keep ecosystems fully together for years.
  • Lacey Act

    Lacey Act

    The Lacey act helped prevent trafficking of plants, wildlife and fish. It also banned illegal import and extortion of plants and wildlife.
  • The golden age of conservation

    The golden age of conservation

    The golden age of conservation was when president Theodore Roosevelt made a push for national parks, forests and wildlife preservation. This was a major part of history because it helped protect wildlife and nature.
  • First national wildlife refuge established

    First national wildlife refuge established

    This was when president Theodore Roosevelt established Pelican Island. This was the first national wildlife system that was put in place, and it was by Florida's coast.
  • Aldo Leopold

    Aldo Leopold

    Aldo Leopold was very important due to him writing a book called ""A Sand County Almanac", which helped introduced the idea of land ethic to Americans and helped show everyone they had a duty to the world around them.
  • Audubon society Founded

    Audubon society Founded

    The Audubon society Founded was a society that helped conserve the life and habitat of birds and to create thriving ecosystems.
  • Gifford Pinchot

    Gifford Pinchot

    Gifford Pinchot is most widely know for being the "father of American forestry". Gifford Pinchot helped with the conservation movement and helped establish the U.S forest park. He later become the govener of Pennsylvania
  • U.S forest Service founded.

    U.S forest Service founded.

    This transferred the forest reserves from the the department of interior to the department of agriculture. This was founded by Theodore Roosevelt.