Definitions of carbon footprint on the Web:

• A carbon footprint is “the total set of greenhouse gases (GHG) emissions caused by an organization, event or product” . For simplicity of reporting, it is often expressed in terms of the amount of carbon dioxide, or its equivalent of other GHGs, emitted.
  en.wikipedia.org/wiki/Carbon_footprint
• A measure of the amount of carbon dioxide produced by a person, organization or state in a given time
  en.wiktionary.org/wiki/carbon_footprint
• A measure of the greenhouse gases that are produced by activities of a person, a family, a school or a business that involve burning fossil fuels.
  www.epa.gov/climateforaction/learn/glossary.htm
• The impact of a certain activity on the emission of CO2 to the atmosphere.
  www.dsm.com/en_US/html/sustainability/glossary.htm
• The estimated emissions of carbon dioxide (CO2) and other GHGs associated with a particular activity (eg a plane trip), use of your car, your family’s overall lifestyle, or use of a particular product or service. …
• the total GHG emissions and reductions for an organization over a specific time period (see greenhouse gas inventory).
  csa-america.carbonperformance.org/index.asp
• A measurement of the volume in pounds of Carbon Dioxide generated by business operations.
  www.42u.com/efficiency/data-center-glossary.htm
• A common term for a life cycle assessment, which quantifies the amount of energy used and greenhouse gases emitted for a given product or activity, measured in units of carbon dioxide.
  www.usdairy.com/sustainability/Science/Pages/Glossary.aspx
• an individual’s carbon footprint is the direct effect one’s actions and lifestyle have on the environment in terms of carbon dioxide emissions. This is usually estimated by using a Carbon Calculator. …
  www.dcnr.state.pa.us/brc/grants/Glossary.doc
• Energy consumption of your electronic equipment for heat, light, power and refrigeration.
  dti.delaware.gov/greenit/information/terms.shtml
• An estimate of how much carbon dioxide an entity (be it person, family or building) produces and releases into the atmosphere (the EPA has a personal calculator). The resulting figure is used to buy carbon offsets (see definition) or engage in ameliorative activities such as planting trees.
  www.got2begreen.com/green-definitions/
• The total amount of carbon dioxide and other greenhouse gases emitted over the full lifecycle of a product or service, expressed as grams of CO2 equivalents.
  www.job-hunt.org/green-jobs-job-search/green-industry-glossary.shtml
• The amount of greenhouse gas emitted each year through direct (such as driving) and indirect (such as electrical purchases) sources.
  standardcarbon.com/resources/
• “A carbon footprint is a way of expressing the amount of CO2 emitted as a result of a person’s day-to-day life. For a business, it is the CO2 emitted as a result of its operations. Carbon footprints are usually expressed in tonnes of carbon dioxide emitted per year. …
  www.globalplatform.fi/dictionary
• A measure of the carbon dioxide equivalent emissions attributable to an activity; it is commonly used at an individual, household or organisation, product and service level. From: Draft National Carbon Offset Standard, Australian Department of Climate Change,19 December 2008
  www.tomw.net.au/moodle/mod/glossary/view.php

1. Carbon offset – What does this buzzword mean?

   en.wikipedia.org/wiki/Carbon offset a reduction in carbon dioxide emission by a third party purchased by a heavy carbon dioxide producer as...

2. What Is Carbon Sink

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3. Carbon Sequestration – What is it?

   Image via Wikipedia Definitions of Carbon Sequestration on the Web: Carbon sequestration is a geoengineering technique for the long-term storage...

4. What Is Carbon Cycle?

   Definitions of carbon cycle on the Web: the organic circulation of carbon from the atmosphere into organisms and back again...