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Conferencing Calculator

This tool calculates the following savings when using data/video conferencing versus travel:

References

Calculations are based on the following data:

Aircrafts (short-haul distances under 452Km, 100% full, 35 passengers) use 150 to 180 grams (165 average) of carbon dioxide per passenger kilometer.^{i, ii}
Aircrafts (medium-haul distances between 452Km and 1600Km, 100% full, 200 passengers) use 150 grams of carbon dioxide per passenger kilometer.ⁱⁱ
Aircrafts (long-haul distances over 1600Km, 100% full, 500 passengers) use 110 grams of carbon dioxide per passenger kilometer.^{i, ii}
Total warming effect of all emissions (CO₂, H₂O and NO_x) from aircrafts is roughly 3 times greater than that of CO₂ alone.^{i, iii}
Trains use 17.4 grams of carbon dioxide per passenger kilometer (70% full, 400 passengers).ⁱ
Buses use 14.4 grams of carbon dioxide per passenger kilometer (40 passengers on board).ⁱ
Cars with fuel economy in the range of 1-5 liters per 100 kilometer emit on average 120 grams of CO₂/kilometer^iv
Cars with fuel economy in the range of 6-10 liters per 100 kilometer emit on average 155 grams of CO₂/kilometer^iv
Cars with fuel economy in the range of 16-20 liters per 100 kilometer emit on average 410 grams of CO₂/kilometer^iv
Cars have a maximum of 4 passengers.
CO₂ emissions per country per capita (2004) provided by the EIA
Default average connection costs of video and data conferencing (including Microsoft Live and WebEX) were taken in February 2007. Conferencing costs do not include equipment or subscription fees.
All results are rounded to the nearest integer.

ⁱ George Monbiot, Heat, pp 170-188
ⁱⁱ Clean Air Conservancy
ⁱⁱⁱ Intergovernmental Panel on Climate Change, Aviation and the Global Atmosphere, 1999
^iv www.vcacarfueldata.org.uk