|Some Perspective from Neil DeGrasse Tyson|
Sometimes, it takes a sentiment like that in this Neil DeGrasse Tyson tweet to give us some perspective. With functionally limitless energy to be had from the sun, how can we justify the terrible lengths we go to for oil?
If you're already riding energy-efficient vehicles and want to do more, consider making solar power a bigger part of your life. For some good basic information on solar energy you might try a site like this one, but for a more "DIY" perspective, there are lots of good articles on Instructables, a popular DIY website.