Climate chaos and pollution, deforestation and consumerism: the crisis facing human civilization is clear enough. But the response of politicians to it has been cowardly and inadequate, while environmental activists have tended to favor single-issue campaigns rather than electoral politics.

"The No-Nonsense Guide to Green Politics" measures the rising tide of eco-activism and awareness and explains why it heralds a new political era worldwide.

Derek Wall is a former principal speaker of the British Green Party. He is the author of numerous books, including "Babylon and Beyond: The Economics of Anti-Capitalist, Anti-Globalist and Radical Green Movements."