Writer who petitioned the US Congress and the general public to set aside large tracts of land for ALL US citizens to enjoy. John Muir did this through writing, descriptively, vividly, poetically, and passionately of the features that could be found in lands that had not yet been spoiled by the commercialism that had earlier ruined Niagara Falls.

When John Muir returned to Yosemite, he found it being trashed, taken advantage of, For the sake of commercialism. He began a campaign to rid the land of these commercial adventurists and convinced Teddy Roosevelt Not only to set Yosemite valley as a National park but to expand it to include the areas that were being ruined by farming and sheep ranching.

It took only 3 nights under the stars in Yosemite for Teddy Roosevelt to commit himself to becoming a protector of our National forests, wetlands, endangered species and creator of National Parks.

Created 5 national parks, Created and signed into law the Antiquities Act. He used the Antiquities Act to create 18 National Monuments (including the Grand Canyon). He set aside 51 Federal Bird sanctuary, 4 game refuges, and set aside more than 100 million acres of National Forests.

A marine biologist, she gained fame in writing books that the general public could read and enjoy( The Sea Around US and The Edge of the Sea). Because of her fame as a writer, when she wrote “Silent Spring”, it was widely read by not just the general public but by members of congress as well.

SILENT SPRING – was the first time anyone had challenged the chemical, farming, and ranching industry and their indiscriminate use of a synthetic pesticide called DDT. Her Study of DDT introduced the idea of “bio-magnification” to the public and to policy makers.

BIOMAGNIFICATION- Producers sprayed with DDT Primary consumers consume DDT DDT is passed to secondary Consumers. DDT is passed up to Tertiary consumers. The amount being passed gets greater as you go UP the energy pyramid.

Gives testimony to congress. Others on University campuses stage,”Sit-ins” which are lead by conservation minded faculty and students.

Is a US congressman that stages the largest sit in recorded at the time. It later became a world-wide observation known as

1 biome with 10 creatures that evolved Or 2 biomes with 5 creatures each