Enviromental timeline

  • William Penn

    William Penn

    Pennsylvania colony governor ordered colonists to conserve 1 tree for every 5 cut down.
  • The Lacey Act

    The Lacey Act

    This act prohibited the tr transport of illegally aabtained wildlife across state lines, and outlawed hunting in Yellowstone national park.
  • Burton Act

    Burton Act

    Congress passed this act which preserved nigara Falls from hydroelectric power facilities.
  • Salt Lake City

    Salt Lake City

    Was the first U.S. city to conduct a large scale survey of air pollution.