Free Environment Audiobooks

Ecosystems require balance to survive, and when that balance is compromised, as in the extinction of a resource or a species, disaster can fall onto the system as a whole.

The National Geographic Magazine published its first issue in October 1888. It is the official journal of the National Geographic Society.

A widely publicized speech arguing in favor of ecological responsibility and respect of native Americans' land rights.

John Muir’s adventure guide for the Yosemite Valley.

Robert Sterling Yard (February 1, 1861 – May 17, 1945) was an American writer, journalist, and wilderness activist. Born in Haverstraw, New York, Yard graduated from Princeton University and spent the first twenty years of his career in the editing and publishing business.

Geology is a science of such rapid growth that no apology is expected when from time to time a new text-book is added to those already in the field.

Now, faced as we are with global environmental deterioration, I wish to address every person living on this planet.

John Muir (1838-1914) 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.

A highly descriptive and engaging narrative from one of America's beloved nature writers, this short piece shows well Thoreau's great love of the early American wilderness.

We are weary of witnessing the greed, selfishness and cruelty of "civilized" man toward the wild creatures of the earth. We are sick of tales of slaughter and pictures of carnage. It is time for a sweeping Reformation; and that is precisely what we now demand. -William Temple Hornaday