Last Wednesday marked the 50th Anniversary of Earth Day.

It also marked the lowest carbon footprint I have had in a one month time frame in years:

1. Didn’t fly anywhere (was supposed to have been flying back from Guinea for research and a round-trip to Scotland for a conference)
2. Traveled less than 50 miles a week by car or any form of mobile transportation
3. Ate vegetarian (w/ the exception of 5…