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As most companies need to reduce their greenhouse gas emissions, so they turn to a carbon footprint calculator. Organizations can now much more easily recognize their greenhouse gas emissions, put in place measures to reduce and then assess benchmarks to see how they are progressing.

Within the past several years, there have been many efforts to reduce carbon emissions. Among them are the U.S. Clean Air Act and The Climate Registry, which is a nonprofit agency that sets uniform standards for calculating, verifying and reporting greenhouse gas emissions. Membership in The Climate Registry is voluntary, however most North American states, provinces, territories and native sovereign nations are participating.

A carbon footprint calculator allows data about daily facility operations to be entered and processed, with the expectation that this will contribute greatly to greenhouse gas emission reduction. Several major areas play a role in harmful gas emissions -- energy use, waste generation, purchased materials and transportation, to be specific.

It is imperative that carbon emissions are reduced, and that businesses measure their carbon footprint accordingly. As the future health of our planet depends on it and research shows that certain gases deplete the ozone layer, steps must be taken now to slow this damage. Gases are expected to remain in the atmosphere for hundreds of years hence.

By using a carbon footprint calculator, businesses will be able to measure how much of the environmentally harmful gases they use. These substances include carbon dioxide, hydrochlorofluorocarbons (HCFCs), chlorofluorocarbons (CFCs) and perfluorocarbons (PFCs). According to scientists, these gases contribute to the earths warming, which could lead to extreme heat waves, rising sea levels and severe harm to humans, animals, plant life and marine life, if no action is taken to stop the damaging effects.

A carbon footprint calculator enables a business of any size to, among other things, identify the extent of their greenhouse gas emissions, create an inventory management plan, establish goals and report their emissions as outlined under EPA requirements. A calculator is of particular importance to companies with multiple buildings or locations.

Data is entered into a carbon footprint calculator representing Emissions Factors and Global Warming Potential, for each source. Sources are defined as being either direct or indirect, with direct emissions being those classified from equipment or other sources owned or operated by a company and indirect emissions being used by a company during its daily operations, but supplied by another source. The former will cover commercial refrigeration and air-conditioning or heating, ventilation and air-conditioning systems, whilst the latter may involve the use of electricity or heat. Total emissions are factored by multiplying EF and GWP at each source.

The task of monitoring, tracking and reporting greenhouse gas emissions is a somewhat cumbersome and tedious one. Companies are required to input complex data into a carbon footprint calculator so many companies who use HVAC systems in stores, warehouses, offices or hospitals are turning to computerized refrigerant management programs to help them achieve the task.