It's Earth Day -- which is a great time to think about, well, the Earth, our environment, and our impact upon it.
What are you doing to improve the environment? Are you walking the walk, while you talk the talk?
Is "personal responsibility" enough - as the Bush Administration's EPA would have us believe? Or do we need local, regional, national, and global solutions that set standards, shape markets, and change everyone's behavior?
How can we all ensure that we're leaving this place better than we found it?