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Certified Events 2007-2013


Greenbuild International Conference and Expo 2011
Greenbuild International Conference and Expo 2011
Metro Toronto Convention Center - Toronto
Gold Certified


Event Emissions and Offset Summary

Event Statistics  

Dates of Event:
Location of Event:
Organization Holding Event:
Event Attendance: 22,976=
Total Event Meeting Floor Space:

Total Electricity Consumption:
Total Natural Gas Use:
Total Air Passenger Miles:
Total Personal Vehicle Miles:
Total TMS Shuttle Diesel Use:
Greenhouse Gas Emissions per Attendee:
October 4th - 7th, 2011
Metro Toronto Convention Center, Toronto, Canada
US Green Building Council
2,292 local, 522 regional, 5,018 national, and 15,144 international
796,008 square feet

4,358,444 kWh

160,014 therms
45,473,428 miles
1,004,321 miles
136.29 gallons
1,366 pounds CO2e

Estimated Emissions and Emissions Reductions/Offsets for Greenbuild 2011
Pollutant TypeEmissions Caused by Event Energy Use (lbs)Emission Reductions by Amount (lbs)Percent of Emissions Offset to Date

Donated Offsets

TMS Transportation (Offsets)Attendee Donations (Offsets)Pledged USGBC Purchase (Offsets)
Carbon Dioxide (CO2)*31,392,3844,956~263 Remainder After Other Donations100%
Sulfur Dioxide (SO2)8,71418.9    
Nitrogen Oxide (NOX)21,7379.4    
Particulate Matter (PM10)2,799.00019    
Particulate Matter (PM2.5)2,094     
Mercury (Hg)0.0337.87E-02   57%
*Includes carbon dioxide equivalents of methane (CH4) and nitrous oxide (N2O)

Emission Reductions
Transportation Management Services (TMS) will offset all of the greenhouse gas emissions associated with the shuttle services it provided to Greenbuild 2011.

WindCurrent is donated 11,000 kWh of renewable energy certificates (RECs) which represents 5% of the electricity used at the event.  (www.windcurrent.com) The WindCurrent company has been providing LEED-spec Renewable Energy Certificates to US institutions since 2002.  The company has greened Greenbuild since 2006.  Its current customers include the US Department of Energy, NASA, the National Institute of Health, M&T Bank, and Random House.  WindCurrent has greened LEED projects across the US, and has greened most of the US federal buildings across the planet.

Greenbuild 2011 attendees may donate to offset greenhouse gas emissions resulting from this year’s event.  The US Green Building Council will purchase offsets using the donations of these attendees.

The USGBC has committed to purchasing the remainder of the greenhouse gas emissions offsets needed to make Greenbuild 2011 a carbon-neutral event.

  Event Website: www.greenbuild.org


Metro Toronto Convention Center
Country: ca


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First Place Winner:

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SSA landscape architects
Smart Rain Systems

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