http://www.sustainableliving.org/
http://www.envirolink.org/topics.html?to...
http://www.articlegarden.com/
Also, get the efficient light bulbs (the funny shaped ones). Replace your burnt out bulbs with those.
Turn off lights when you are not in rooms, same goes with appliances, radios, televisions, computers.
Unplug your toaster when you are not using it
Re-use grocery bags by either bringing them back to the store, using as garbage bags, lunch bags, recycling bags, etc.
Wash your clothes in cold water only
Take showers instead of baths
Get a water filter installed or a britta water pitcher instead of buying water bottles
try walking or biking or using more public transportation than driving your car
make your you give your car scheduled oil changes
