Use this form to calculate the impact you have made by being a vegetarian. Vegetarians use less resources like water, food, oil, contribute less CO2 to the atmosphere, and animals are not killed for their consumption.
Raising livestock contribute more to global warming than automobiles, and is the second leading cause of global warming behind industrial pollution.
If it is more convenient you can use the yearly calculator instead.
*The data is based on the amount of meat the average American consumed in 2008 according to the USDA.