Choosing to fly comes at a high price in terms of emissions. Airlines say we might soon change that with zero-emission, hydrogen-powered aircraft. But is that a realistic scenario?
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As Germany plans a pathway to a low-carbon economy, experts argue over whether to replace its huge fossil hydrocarbon imports with imported renewable hydrogen or instead rely entirely on hydrogen made in Germany.
Reaching net-zero carbon emissions by 2050 will cost the global economy annually 1.5%, or $1 trillion to $2 trillion, a think tank has estimated. The London-based ETC calls it technically and economically possible.
Airbus wants to launch a plane that is completely CO2 neutral by 2035 with the help of hydrogen-powered engines. It's a big step away from fossil fuels and toward a cleaner future up in the sky.
A new UN-brokered deal for aviation will not require airlines to offset flight emissions for another six years and will cost them less than 1% of operating costs by 2035, a DW analysis has found.
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