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 [1] Methodology: HP Halo studios were used for a total of 263,000 hours between April 2007 and March 2009. This interval covers a time period of early and incremental
adoption of Halo rooms, thus the calculated CO2 saved is a conservative estimate. Assuming 35% of meetings avoid travel (depending on the company's travel and meeting policy),
and 1.4 person avoid travelling per meeting, as meetings frequently require travel for more than one participant, this corresponds to 99,180 trips avoided over two years.
With an average of 1,609 miles per round-trip (average of short, medium and long haul business trips at HP), and a CO2 footprint per mile of 199g CO2e.
(http://www.cleanairconservancy.org)
this results in a net emissions savings of 63,554 metric tons CO2e.
Each avoided trip also saves CO2 from car travel (to/from airport at both ends), resulting in an additional 3,483 metric tons CO2e saving on average.
On the other hand, HP Halo studios were responsible for approximately 675 metric tons CO2e from electricity use over that time period (based on a global average of 0.510kg/kWh).
The net total CO2 emissions savings from all HP Halo studios over this two-year time period was therefore 66,362 metric tons CO2e.
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