I sometimes ask myself this question. Fortunate for us, a high school student met Richard St. John on an airplane and was curious about this too. Richard had an idea -- ask the same question to hundreds of successful people who participate at TED, and here is what he came up with. A little over 3 minutes of video and 8 words of wisdom. FYI, the video is from 2005 (and not new to the social web) but I think the tips and humor are timeless. Do share with others.
I couldn't resist two nights in a row of IDEO posts. I think this topic is worth learning more about and sharing because we all have a stake in our climate, especially if you have children. Tune into Tim Brown's brief video about the Living Climate Change initiative: