We are starting to get a number of submissions for TOD:LOCAL and we thank all of you for submitting them; keep them coming! This one is by Nelson Harvey of The Wild Green Yonder, a blog about grassroots urban sustainability, alternative economics, and ecological design.

Arguments for rapid action on global warming are often framed in terms of the precautionary principle: given the potentially catastrophic consequences of the problem, we're better off taking action to prevent them, even if some uncertainty remains about just how bad they'll be. But in thinking about the legislation and technologies intended to combat global warming, it's important to remember that even the most attractive solutions will likely have problems of their own.