Related: What your favorite airlines and hotels are doing to fight climate change Which carbon footprint calculator should you use? As such, it may still be worth using when traveling outside New Zealand, especially if you tend to stay at less conventional lodging options. But you can use the calculator to estimate emissions from various lodging types, vehicles, public transport and flights in other places, too. This calculator's assumptions are based on average emissions in New Zealand, so the calculator will be most accurate when traveling in New Zealand. There's also the Toitu Envirocare Household Calculator. However, this calculator can be tedious to use if you have a lot of flights to offset, as it only lets you calculate one at a time. Other calculators can help you determine your emissions from a specific flight in more detail.įor example, Atmosfair's calculator totals your flight emissions based on route, cabin and aircraft type. Related: This travel company will plant trees for every flight and hotel room booked Bus: 0.00006 metric tons of carbon emissions are produced per passenger mile.Subway, metro and trams: 0.00012 metric tons of carbon emissions are produced per passenger mile.Commuter rail: 0.00017 metric tons of carbon emissions are produced per passenger mile.Intercity rail: 0.00014 metric tons of carbon emissions are produced per passenger mile.Flights of 2,300 miles or more: 0.00017 metric tons of carbon emissions are produced per passenger mile.Flights of 300 to 2,299 miles: 0.00014 metric tons of carbon emissions are produced per passenger mile.Flights less than 300 miles: 0.00025 metric tons of carbon emissions are produced per passenger mile.For passenger transport, it assumes the following: The calculator assumes one night in an accommodation produces about 0.0383 metric tons of carbon emissions per occupied room. So, you could use these numbers (admittedly based on energy use data from 20) to calculate your travel emissions separately from your household emissions. As such, it's worth checking out several different options when figuring out your emissions.Ĭonservation International's calculator also shows the math behind its results. In short, different calculators will yield different results based on their underlying assumptions. Some calculators even include emissions from vehicle manufacturing, which may increase based on the vehicle's age.
For other types of transportation, fuel type is important, too.
Sustainable Travel International's calculator, for example, assumes that a passenger will emit 0.14 to 0.55 kilograms (0.31 to 1.21 pounds) of carbon emissions per kilometer (which equals a little more than half a mile) flown, depending on cabin class and flight distance.īut aircraft type and loads also play a role. For travel, these calculators consider the average carbon emissions of various travel types.
You can calculate your emissions for both everyday life and trips using a carbon footprint calculator. Tourism creates about 8% of the world's carbon emissions, according to Sustainable Travel International, a nonprofit organization that works with travelers, businesses and destinations to apply innovative conservation solutions to tourism.
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