she was a American marine biologist and nature writer.

john muir (April 21, 1838 – December 24, 1914)

was one of the first modern preservationists. His letters, essays, and books telling of his adventures in nature, and wildlife, especially in the Sierra Nevada Mountains of California, were read by millions and are still popular today.

Celia Hunter (January 13, 1919 – December 1, 2001) was an American environmentalist and conservationist. She was conferred the highest award by the Sierra Club,

alan chadwick born on July 27, 1909 (I think)

Julia Butterfly Hill (born February 18, 1974) is an American activist and environmentalist. Hill is best known for living in a 180-foot-tall, 600-year-old California Redwood tree for 738 days between December 10, 1997 to December 18, 1999.Hill lived barefoot in the tree, named “Luna”, to prevent loggers of the Pacific Lumber Company from cutting it down.

WHAT DO YOU MEAN IT AINT ALRIGHT ASKING HERE….THIS IS THE HOMEWORK HELP SECTION YOU IDIOT.