There are three ascending levels of engagement with the environment.
Level 1: Listen to the world around you. As you become more aware of the sounds of the environment, you'll become more sensitive to the state of the environment.
Level 2: Listen to the world through the ears of composers and sound artists. The artists listed to the left have participated or will participate in Ear to the Earth.
Level 3: Become a sound artist yourself. This book will help you do it.

Bernie Krause
Wild Soundscapes
Bernie Krause' guide to field recording includes advice on microphones and where to put them, ideas on how to record and edit, thoughts on how to listen, and a wealth of interesting reflections on sound and listening. The book also includes a CD of many nature recordings from far-and-wide locations throughout the world.
In 1984, Krause visited the Jivaro tribe in the Amazon basin. Note: The term
biophony refers to the sounds of nature, as in biology+sound. On discriminating listening, he writes:
"One evening I was invited to join the men of the tribe on a traditional hunt. We traveled under the forest canopy without flashlights, torches, starlight or moonlight. There was nothing to direct us except the
sound. Guilded only by the delicate fabric of the
biophony, the symbiotic relationship of sound made by birds, mammals, insects and amphibians as they vocalized together, we made our way through unseeable territory. At first all I heard was a din. To the Jivaro, however, the forest habitat seemed exquisitely defined ..."
On natural soundscapes:
"Pure natural soundcapes, places where no human is present, often feature a glorious symphony of creature and non-creature voices. As human clamor increases and habitats shrink, non-human sounds have become doifficult to hear or have been muted altogether. Animal survival often depends on the numerous ways in which the cratures vocalize in their particular habitats ..."
On techno-fear:
"If you can take a picture with a still or video camera, if you can use a remote control to turn your TV on or off, if you can warm up coffee in your microwave oven, if you can retrieve email on your computer, if you can start a fire, feed your cat, scratch your head, you will have no problem recordings natural sound. It's that easy ..."
The following quick clips are a few sound excerpts from the CD that accompanies the book:
Yuba Pass
Alaska Biophony
Big Sur
Buy this book at CDeMusic