This title explores the dual function of biochar as a carbon-negative energy source and a potent soil-builder. The author traces the evolution of this extraordinary substance from the ancient black soils of the Amazon to its reappearance as a modern carbon sequestration strategy.

XIII. Cooperative Economics and Creating Community Where You Are On the three-legged stool of sustainability, less attention has been given to economics than to the more robust ecological and social dimensions. But that doesn't mean it's less important. (It's hard to keep a stool upright with only two legs.) Half the articles in this bundle are focused on what we're learning about values-based ways to make a living (which is a quality of life issue if there ever was one). The other stories are devoted to taking the inspiration of community beyond the boundary of shared property. If you figure...