Am I doing enough to save the Earth?

You're doing wonderful and compared to most people, you're a Saint when it comes to saving the earth. The big thing for me is I turn off all my lights, even when I'm home. Just use lights if you really need them. If it's daytime obviously just open the shades. Another big thing is that not driving as much saves environment too. I walk to work every morning instead of driving and walk to the grocery when I can. Keep your car in the garage helps more than you think and will save you a ton of money on gas if you think about it.