What were the effects of Gifford Pinchot's ideas about the environment?

Pinchot's ideas inspired government policy that forests be protected for public use.

Pinchot's ideas provided new methods for irrigating the desert Southwest.

Pinchot's ideas led to the creation of Yellowstone National Park.

Pinchot's ideas kept William Howard Taft from realizing his ambitious policy to conserve wild lands.

The correct answer is "Pinchot's ideas inspired government policy that forests be protected for public use". Gifford Pinchot is considered the father of the American conservation as he believed and fought for preserving the nature of the American forests. He was the founder of the Society of American Foresters, which had their first meeting in his own house in Washington on November of 1900.

Pinchot's ideas inspired government policy that forests be protected for public use.