If you think that just because you rent your home or apartment (or moon colony) that you can't make improvements to save on your home energy bills, think again. Apartment Therapy lists a slew of ways homeowners and renters can use less energy, protecting precious natural resources and saving you cash.
Some ideas we've covered before, like installing gaskets and insulation behind outlets and light switches. But, be sure to scan their entire list for ways to tweak your water heater, improve the blinds and shades, and keep the fridge more efficient.