Every animal leaves a carbon footprint because it breathes in oxygen and exhales CO2 and also ejects methane which creates more caustic emissions than CO2. Cows and horses are particularly high emitters of methane.
Australia’s Carbon Footprint is prima facie the Average Australian's Current Carbon Footprint x the 22 million population of Australia.
Carbon Footprint is measured in weight (tons or kilograms) or land area (hectares). Conservative estimates are that the planet can regenerate 3.96 tonnes equating to 1.8 global hectares per person for each of its 6.642 billion inhabitants p.a.
A. On average, each of over 300,000,000 Americans is responsible for about 22 tons of GHGs p.a., according to statistics compiled by the U.N. BP's carbon footprint calculator notes that the U.S. average is lower at 18.58 tons per year which could fill about 4½ Olympic swimming pools. Applying a mean of these two estimates equates to 6.2b tonnes of CO2 and other noxious gasses for the Earth's ecological atmosphere to convert back to Oxygen.
B. According to the World Wildlife Fund, an average:
* U.S. citizen requires 10 hectares of the planet to support their Lifestyle Behaviour.
* each Australian requires 7.7 global hectares per capita.
* European citizen needs over five hectares.
* each person in Africa draws on about one hectare of Earth’s resources.
C. The U.S.A. accounts for –
* 5% of the global population; and
* 26% circa of the global Carbon Footprint.
Europe and countries like Australia in the Asia Pacific also have very large Carbon Footprints.
D. Australia's Footprint in the Living Planet Report 2004 was 7.7 global hectares (gha) per person. This is over 3 times the average global Footprint (2.2 gha), and well beyond the level of what the planet can regenerate on an annual basis - an equivalent of about 1.8 global hectares per person per year. The most significant factor contributing to the Australian Footprint is CO2 emissions from Fossil Fuels (constituting approximately half of the total Australian Footprint).
F. The average UK resident's lifestyle produces about 11.2 tonnes of CO2 annually.
G. The average UK carbon footprint is 9.4 Tonnes Per Person.
Business activity - 40%
- Transport - 29%
Homes - 25%
The biggest carbon emissions source are probably:
Energy used in the home (heating is the biggest)
- Driving
Air travel
The internet provides rudimentary tools to measure your Carbon Footprint which by completing them, gives you an idea of human activities which create GHGs:
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An Inconvenient Truth - Carbon Calculator
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Pacific Gas and Electric Company Carbon Footprint Calculator
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US Environmental Protection Agency - Personal Emissions Calculator
EarthLab.com ECP (Carbon & Lifestyle Calculator) allows you to factor in your lifestyle – not just your Carbon Footprint. In addition, the ECP allows you to:
- Save your results and track your improvements.
- Pledge to take action and reduce your score.
- Create a private and personal plan.
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Instantly compare scores in your city, state, country and around the world!
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Footprint Term Glossary provides definitions of various Climate Change terms.
Methodology and formulae to calculate a Personal Carbon Footprint and a nation's Carbon Footprint.