"Avion." . . "Scientific Assessment Panel to the Montreal Protocol on Substances that Deplete the Ozone Layer." . . . . . . . . . . . . . . "Aviation and the global atmosphere : a special report of the IPCC Working Groups I and III" . . . . . "Aviation and the global atmosphere" . . . . . . . . . "Aviation and the global atmosphere a special report of IPCC Working Group I and III in collaboration with the Scientific Assessment Panel to the Montreal Protocol on Substances that Deplete the Ozone Layer" . . . . "Aviation and the global atmosphere : a special report of IPCC Working Groups I and III" . . . . . . . . "Aviation and the global atmosphere a special report of IPCC Working Groups I and III in collab. with the Scientific Assessment Panel to the Montreal Protocol on Substances that Deplete the Ozone Layer" . . . . . "Aviation and the global atmosphere : a special report of IPCC Working Groups I and III in collaboration with the Scientific Assessment Panel to the Montreal Protocol on Substances that Deplete the Ozone Layer" . . . . . . . . . . "Aviation and the global atmosphere : a special report of IPCC Working Groups I and III in collab. with the Scientific Assessment Panel to the Montreal Protocol on Substances that Deplete the Ozone Layer" . . . . "Luchtvaart." . . "Luftverunreinigung Luftverkehr." . . "Avions Moteurs Gaz d'échappement Facteurs climatiques." . . "CONTRAILS" . . "Pollution atmosphérique." . . "Aviation." . . "aviation" . "Emissies (milieu)" . . "Luftverkehr Luftverunreinigung." . . "Atmosphère terrestre." . . "Luftfahrzeug." . . . . "Klimafaktor." . . "Aircraft exhaust emissions Climatic factors." . . "Intergovernmental Panel on Climate Change. Working Group Policy." . . "Klimaatveranderingen." . . "climate forcing" . . "Avions Moteurs Gaz d'échappement Aspect de l'environnement." . . "Abgasemission." . . "Umweltbelastung." . . "Émission de gaz." . . "Changement climatique." . . "Couche d'ozone." . . "Émission atmosphérique." . . "Intergovernmental Panel on Climate Change. Working Group 1, Science." . .