Talk about how the airline industry awareness of the Marketing enviroment and how it has grown over time and how it plans to become more enviromentally friendly in the future. Talk about the strategies used and implemented by airlines to improve there overall contribution to the enviroment. By their use of sustainable airline fuels such as biofuel which use stump and branches leftover after a timber harvest as well as more efficient engines that require less fuel to travel farther distances to reduce airlines carbon footprint. Next, making quieter engines to improve the noise pollution of airplanes and their public relations with the sorrounding communities of the airports. Lastly, using more eco-friendly practices such as recycling and waste management which helps the community as well as the company image. Which in turn drives up sales for the airlines and make customers happy.