Lester Brown: Worldwatch Institute, Earth Policy Institute
In 2001, Brown founded the Earth Policy Institute, with a focus on practical planning for a sustainable future. Now 80, Brown recently announced that EPI would shut down in July 2015, when he retires after the publication of his latest book, The Great Transition. With any luck, their informative website will remain alive.
Book: World on the Edge: How to Prevent Environmental and Economic Collapse. This relatively recent book provides a thorough, concise summary of the world’s environmental crises, as well as a comprehensive set of strategies to address them. Available for purchase, or as a free PDF download.