Do not get bottled water – Instead of bottled water get a reusable container to carry water. Also you can get a filter to make your home tap taste more like bottled water. It is definitely more cost efficient.
Shorten your shower – Every minute you cut from your shower is roughly 5 gallons of water. The less time your shower takes, the lower your impact on the environment.
Recycle Glass – If you do not recycle this, it will take a million years to decompose.
Turn Down your Thermostat – Every degree lower in the winter or higher in the summer you put it is a 10 percent decrease on your energy bill.
Turn off your lights – An easy one. Turn off your lights when you are not using them. The benefits are obvious.
Do not get a paper phone book – Instead of getting a paper phone book. Use a online directory instead.
Give things away – Take things that you are not going to wear or use and give it to a charity or someone who will use it.
Go to a car wash – Going to a car wash is a lot more water efficient then washing your car at home.
Buy Rechargeable Batteries – Even though it will take a good investment to buy these you will find yourself gaining it back in no time.
Pay your Bills Online – If every house in the US did this then we would save 18 million trees every year.
Get a reusable bag – You can not recycle plastic bags, instead get yourself a reusable bag so that you will not have to worry about carrying your necessities.
Plant a Tree – It is good for the air, can keep you cool, and can increase your property value.
Walk or Ride Your Bike When you can – If you have to go somewhere close consider riding your bike or walking there instead of your car. It is better on the environment and healthier.