Sustaining Our Commonwealth

Let’s start with this phrase: “sustaining our commonwealth.” By sustaining, I don’t mean preserving inviolate; I mean using, without using up. Using with maintenance and replenishment is an important idea in economics. It’s the...

“One Person, One Share” of the Atmosphere

For most of human existence, people living only short distances apart might as well have been living in separate worlds. A river, a mountain range, a stretch of forest or desert: these were enough...

Resilience Thinking

“The most potent keystone species in the world may be the sea otter,” wrote the biologist Edward O. Wilson. These sleek, furry creatures once lived in coastal waters from Baja, California, around the Pacific Rim,...