What has been a significant trend in the aviation industry since the 1990s?
Understand the Problem
The question is asking about a significant trend that has occurred in the aviation industry since the 1990s, prompting the user to consider options related to airline quality, competition, airport ownership, and governmental influence on airlines.
Answer
Decline in carbon emissions per passenger by over 50% since 1990.
The decline in carbon emissions per passenger by over 50% since 1990 has been a significant trend in the aviation industry.
Answer for screen readers
The decline in carbon emissions per passenger by over 50% since 1990 has been a significant trend in the aviation industry.
More Information
The aviation industry has made substantial improvements in fuel efficiency and carbon emissions per passenger, aiming at more sustainable practices.
Sources
- Decade in aviation brings surprising changes - airlineratings.com
- Aviation industry reducing its climate impact - aviationbenefits.org
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