 The aviation industry is seeking to reduce its climate change impacts by becoming more fuel efficient , and in the last 40 years fuel efficiency has more than doubled . In June 2005 , Sustainable Aviation ; a joint initiative involving a number of UK airlines , airports , manufacturers and the air traffic service provider NATS , was launched with a vision statement relating to environmental issues of " … removing or minimising any negative impacts on the local and global environment … " . One of its commitments is to achieve , by means of airframe , engine and air traffic management improvements , a 50 % reduction in CO 
