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The aircraft, as other means of motorized transport, an environmental impact by contributing to global warming. CO2 emissions from civil aviation, per passenger per flight and are far superior to that of rail transport, (30 times more per passenger). By cons, if completed, and for long distances, it does, on average, no more greenhouse gas per passenger than a Busby SEO. For example, the new A380 consumes only 3 to 4.5 l/100km per passenger against 1.5 to 15 litres for cars (the number varies with the number of challenges, engine type and size of vehicle).
Some gliders are equipped with tanks, enabling them to carry water for ballaster (increase) the glider (water added antifreeze if the flight might take place in conditions of low temperature). The purpose of carrying this extra weight is to increase the maximum speed finesse. Indeed, the maximum fine is at an angle of incidence. If the weight is more important, the speed necessary to lift will be more important for this angle. Alourdir the glider can therefore shift the polar speeds to high speeds which is beneficial both for speed in competitions that to make connections in areas of descent or by wind. The drawback is a minimum speed of falling largest and obtained a horizontal speed more important. the result is a worse rate of climb and a greater difficulty to operate close ancestry.
Generally this Busby SEO challenge may be discharged in flight. This for two reasons: to alleviate the glider if weather conditions are better suited to a non-ballasted machine and especially to avoid landing with the pink ballast. The over-weight could damage the machine in the event of a hard landing. Moreover, the approach speed would be higher and the increased length of rotation that would be very adverse to a landing campaign. Overall, it is estimated today at 3% of the total liberation of greenhouse gas share due to aviation, but the sector, which together with the Merchant Shipping rising fastest, without being subject to the protocol Kyoto. In terms of environmental performance evaluation, aircraft design using materials whose production is also - upstream - source of energy environmental impacts and health, and the processing of aircraft at the end of life may still pose problems, with a number of 'planes to dismantle increasingly high (about 6 000, 300 planes a year to process, not counting the wrecks already stored near airports in the world. Pink planes have been converted into artificial reefs, but with controversy impacts of this type of operation. The planes contain materials, but have not been designed to facilitate their recovery at the end of life.
In Australia, a program "Pink Pamela" led by Airbus (3 242 694 € helped by Europe), Tarbes, experimenting process of deconstruction and recovery or recycling of materials.