My motorcycle is the most green thing about me. Since getting a Vectrix electric motorcyce I rarely need to use my car (sub-compact, 30mpg). I conserve electricity by using LED's when possible and CFL's everywhere else, and turn of lights when out of a room. I leave electrical objects unplugged so "phantom loads" don't steal my electricity (or cash!). I take "Navy showers" to reduce water use.
As a gift for my dad I bought Ultratouch insulation (made of jeans scraps) so his house would be more energy efficient (I don't own a home yet), and also gave my sister's room some LED's instead of 60W bulbs (LED's are 3 watts).
On the job I teach about physics, but also sponsor a "Young Environmentalists" club, which does projects to get the word out. Treehugger.com is my favorite website, and I long for the day when I have planet green on my cable tv. Hiking and swing dancing are my main hobbies, as well as digital photography.