Currently, about 1.9 billion tons of CO2 is emitted from aircraft annually.
The 196 country members supporting the Paris Agreement established an enhanced transparency framework (ETF) that requires them to report on plans, actions and progress made towards climate change improvements starting next year (2024). The information collected through the ETF will be assessed and recorded, thereby providing international procedures and recommendations for countries to establish ambitious plans for next wave of reviews by participants which occur every five years.µ The global impact of climate change has led to extensive research on fueled aircraft propulsion systems since commercial aviation contributes about 4.9 percent of total global fossil fuel emissions. Mandated by the United Nations Framework Convention on Climate Change (UNFCCC) , the aviation industry is required to achieve carbon neutrality by 2050, with the transition from jet engines powered by hydrocarbons to propulsion systems that use alternative climate-neutral energy sources. Established by ...