What Is Sustainable

Raymond Dasmann (1919–2002) was a professor of conservation biology, and the author of many books.   The poor fellow suffered from a dev...

Once upon a time, Richard Heinberg was a mild-mannered college professor in northern California.   In 1998, he happened to read an article...

Not long ago, I came across a book that looked interesting, Man the Hunted: Primates, Predators, and Human Evolution , written by two anth...

Edward Abbey (1927–1989) was an eco-wordsmith whose work is often compared to the classics of Aldo Leopold and Henry Thoreau.   His book D...

The emergence of domestication and agriculture allowed humankind to produce more food per area of land, but this innovation also resulte...

Henry David Thoreau had a mind that was intelligent, complex, and rigidly righteous.   He was born in Concord, Massachusetts in 1817, in...

Aldo Leopold’s book, A Sand County Almanac , is near the top of many lists of environmental classics.   It was published in 1949, and ha...