The following list of calculators will help you estimate the amount of greenhouse gases you release into the environment.

The best way by far to lower the planet's need for water is water conservation. Using less water has a chain reaction effect by using less energy for heating water and treating sewage. Using less water, especially hot water, also saves electricity which in turn saves water because the production of electricity itself uses a good deal of water.

Recycling is a key component of modern waste reduction and is the third component of the "Reduce, Reuse, and Recycle" waste hierarchy.

Ever wonder how different types of materials get recycled? Check out this list of commonly recycled materials.