Organic mixture of carbon and hydrogen that results from the incomplete combustion of fuels containing hydrocarbons or from the evaporation of fuel.

The whole mass of air surrounding the Earth. It is divided into various layers, distinguished from one another by distinct differences in vertical bands of temperature. Important for air traffic are the two lower layers: the tropo­sphere and, above it, the stratosphere. The troposphere's upper boundaries vary depending on season and latitude. [..]

The most important greenhouse gas, even ahead of carbon dioxide. Without water vapor from natural sources, the Earth's surface would be around 22 degrees Celsius cooler. This makes water vapor responsible for two-thirds of the natural greenhouse effect (33 degrees Celsius). For each kilo of kerosene burned, 1.24 kilos of water vapor are releas [..]

Association of European Airlines. www.aea.be

Aerosols are solid and/or liquid particles that are suspended in the air. They reach the atmosphere by means of natural processes (wind, desert storms, volcanic eruptions) or human activities (combustion of biomass and fossil fuels). The most important aerosols are mineral dust, sea salt, cellular (biological) particles, soot, organic compounds and [..]

Aviation Initiative for Renewable Energy in Germany. aireg is a registered association of leading German research institutions, Lufthansa and other companies in the aviation industry, and bioenergy producers. The goal of this initiative, which was founded in 2011, is to advance the development and introduction of regenerative aviation fuels in Germ [..]

Air Traffic Management ensures both the safe and efficient movement of aircraft in all phases of operations.

Bundesdeutscher Arbeits­kreis für Umweltbewusstes Management e.V. (Federal Working Group for Environ­mentally-Aware Management. B.A.U.M.) B.A.U.M. was founded in 1984 as the first independent environmental initiative of German business. With more than 500 members, it is the largest of its kind in Europe today. Lufthansa has been a member of the Wor [..]

Lufthansa is a founding member of the Federal Associationof the German Air Transport Industry (BDL), which has representedthe interests of the German aviation industry with asingle voice since December 2010. Its main goals are tomake politicians and journalists more aware of aviation’s economicand employment-related importance and to strengthenGerm [..]

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