Covering everything from gas and electricity usage to the carbon cost of shipping in exotic foods, this handy green calculator provides all the tools you need to calculate your daily impact on the environment. Advice is also offered on small, simple ways to greatly reduce carbon footprints, such as limiting usage of plastic and Styrofoam and shopping for local produce. Insightful information on the global trends in carbon usage and the growing effects of global warming, as well as helpful websites for further investigation, is also included.