If offered in your location, try to switch your electricity company to a Green Power service provider. This is a great way to protect the environment and save you money. If you are unsure if you have one of these providers in your area, the Internet is great resource to find out.
If you have a car with a diesel engine, think about switching to biodiesel. Biodiesel is degradable is will not have any harmful effects on the environment. However, using biodiesel can be expensive and finding filling stations is hard. If you can afford to use this alternative, do your best to reduce harmful emanations from diesel engines.
Green energy is great to have in any home and can save you a lot on electrical bills that can seem to add up over months. Another great thing about investing into green technology is that you can use it as a tax write off which can help you get more back come tax season.