Greenhouse gas emissions from the aviation sector are a substantial contributor to global warming. If the aviation industry were a country, it would place sixth in emissions, between Japan and Germany. Left unchecked global aviation will generate an estimated 43 metric gigatons of carbon dioxide emissions through 2050, constituting almost 5% of the global emissions allowable to keep global warming below 1.5 degrees Celsius. In the United States, aircraft are one of the fastest-growing sources of emissions: Emissions from domestic aviation alone have increased 17% since 1990, to account for 9% of greenhouse gas emissions from the U.S. transportation sector. The global aviation industry produces around 2% of all human-induced carbon dioxide (CO2) emissions. Aviation is responsible for 12% of CO2 emissions from all transports sources, compared to 74% from road transport. Globally, the average occupancy of aircraft is 82%, greater than other forms of transport. Many people don't know how air travel impacts our environment and it is definitely something to think about the next time you book a flight.
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