Frequently Asked Questions:

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Q: What is a carbon footprint?
A: A carbon footprint is a measure of the impact human activities have on the environment in terms of the amount of greenhouse gases (GHG) produced, measured in units of carbon dioxide (CO2). Greenhouse gases include water vapour, carbon dioxide, methane, nitrous oxide, ozone and CFCs.

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Q: What is sustainability? How is it different from carbon footprint?
A: Sustainability refers to the ability of a system or process to maintain itself indefinitely. For example, we all know that crude oil is not a renewable resource. If appropriate alternative energy sources are not developed prior to the depletion of oil, then western-based economies are not sustainable. As you can see from this example, greenhouse gas emissions are just one dimension of sustainability.