Many of you have probably heard the word "slow" applied to food, money, cities and realize that it is a one-word metaphor that leads to another well-used word — "sustainability." We're planning a national convening of cross-sector intelligence, ideas and action for sustainable living in a post-carbon world. But rather than focus on a single aspect of the challenge, we are looking at the challenge in its entirety: how do we sustain healthy, thriving communities across indicators like health, media, education and food. For details, to suggest a session, and to sign up at a guaranteed early-bird registration rate, go to the preview site.