How can you make a difference when it comes to energy efficiency? We all have a role to play and it's easier than you think. A great place to start is the ENERGY STAR web site for tips and tricks to help make your home more efficient and save some money in the process.
In the US check out: http://www.energystar.gov/
In Canada also visit: http://oee.nrcan.gc.ca/residential/10759