If you have a fireplace, keep the damper closed in warm weather.  In the summer, an open fireplace damper can let cool air escape. It's like having a window open!

Make a bird house and feed the birds! Feed them suet (fat). www.backyard-bird-watching.com/Suet-Feeders has a home made suet recipe.  For more birdhouse ideas go to http://www.etsy.com/shop/andrewsreclaimed.  Birds love bugs!  And if you attract birds to your yard, then you’ll take care of bugs in a natural way.

Solar control window films applied to existing glass in windows and doors is an effective method to reduce peak demand during hot months and conserve energy anytime air conditioning might be required. In addition to the energy management benefits, the use of these films can also reduce exposure to ultraviolet radiation and reduce glare. Visit the International Window Film Association for more information. 

Almost half of the energy we use in our homes goes to heating and cooling.  Keep the thermostat higher when using the AC to help save energy.  Move your thermostat up 2° in summer.  You could save about 2,000 pounds of carbon dioxide a year with this simple adjustment. 

Many plants and insects can serve as non-toxic, natural deterrents to weeds and garden pests. Introduce ladybugs to eat aphids, plant marigolds to ward off beetles, and look for quick-sprouting plants to block weed growth.