Table 1.

Estimations of ASLA Meeting Education Session Featured Speakers’ Travel-Related Carbon Dioxide Emissions

YearLocationSpeakersCarbon Footprint (tCO2)Mean tCO2 per Speaker, Carbon FootprintCarbonfund, tCO2Mean tCO2 per Speaker, CarbonfundMean tCO2Mean tCO2 per Speaker
2019San Diego299116.750.39161.790.54139.310.46
2018Philadelphia39579.860.21118.890.2998.960.25
2017Los Angeles378130.690.35181.430.48156.060.41
2016New Orleans369110.460.30146.400.40128.430.35
2015Chicago35580.230.22106.760.3093.500.26
2014Denver35097.770.28133.020.37115.400.33
2013Boston33884.660.25122.270.36103.470.31
2011San Diego337132.540.40184.050.55158.990.48
Total2,821832.961,154.61994.11
Mean353104.120.30144.330.41124.260.36