In the process of telling a truly amazing -- and true -- story about a fantastically rare tree in British Columbia and the eccentric man who cut it down, John Vaillant recounts in lush detail much of the natural history of the Pacific Northwest, the people who live there, and the impact of human activity on the forests, and thereby on the planet. (Encore presentation.)

It's become a truism on the left that we are facing a twin crisis of capitalism and the environment. But what is the nature of those crises or--as Jason W. Moore sees it--crisis? And what are the implications for the Left of seeing the social-economic and the ecological as constitutive of each other? Moore puts the crisis in historical perspective.

Economic growth and industrial development, we are told, are the keys to human and social progress. Debal Deb is far from convinced. In his book Beyond Developmentality, Dr. Deb critiques mainstream economic priorities; calls into question many assumptions about the natural world; describes how traditional indigenous societies have interacted with nature; and calls for a zero-growth economy.

Diverse ecosystems, bizarre life cycles, evolutionary wonders: John Muir Laws has written about and created drawings of natural phenomena and many living things. In this first-time presentation of the full-length interview, Laws shares stories about bird and lizard behavior, pollination strategies, and more. Also, Katrina Browne has made a film about her slave-trading ancestors.

The San Francisco Bay Area boasts a phenomenal amount of green space woven into its urban landscape, yet it has only been preserved through relentless struggle involving unexpected protagonists and alliances. Geographer Richard Walker argues that while the Bay Area has been in the vanguard of environmental struggle in America, until now that fascinating and important history has not been fully told.