Description

2 round trip flights to Anchorage and 2 round trip flights from Juneau to Seattle and 2 round trip flight to Europe

Using data from http://css.umich.edu/factsheets/carbon-footprint-factsheet, CO2 generated averages 0.39 lbs / mile per person.

2: 550 mile flights to/from Anchorage, 1100 miles round trip each  = 858 lbs CO2
2: 900 mile flight to/from Seattle, 1800 miles round trip each  = 1,404 lbs CO2
2: 5916 mile flight from Juneau to Paris, 11,832 miles round trip each = 9,229 lbs CO2

TOTAL CO2 = 11,491 lb CO2

At $0.021 per pound CO2, round trip cost = $241.30 to offset