Where this is not possible, you can use this app to: * Calculate the CO2 emissions for your flights. * Compensate for your emissions by donating to climate protection schemes from our selected partner myClimate.org. Features * Offline flight calculator for your flights (one-way, return) * Takes into account your flight class: economy, business, first class. Airport Data provided by OpenFlights.org Flight CO2 calculation formula by myClimate.org