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All human activity has an effect on the climate, including air travel.

Climate change

When greenhouse gases like carbon dioxide (CO2) enter the atmosphere they act like a blanket around the earth, trapping in the sun’s heat.

CO2 contributors

Man-made contributors to greenhouse gases such as CO2 come from farming, manufacturing, power generation and transportation. Worldwide, the airline industry is responsible for 2% of greenhouse gases.

CO2 compensation


Funding the development of an aircraft which flies without CO2 emissions is a necessary development supported by KLM. In the meantime, we are reducing the amount of carbon dioxide (CO2) produced by our aircraft and other activities; and are helping to compensate emissions by investing in CO2 reduction projects.

What we can do together 

Sustainable travel

Frequently asked questions

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