A few years ago it would have been hard to imagine, but airlines have also committed to climate neutrality by 2050. The solution lies in sustainable aviation fuels, hydrogen and electric aircraft, which are already well under development.
There is no doubt that by 2100 the world will have abundant, cheap carbon-free energy available. Coal will only be seen in museums, and the use of oil and natural gas is falling dramatically. Technological processes will inevitably result in this, even if public policy does not facilitate it.