I am hopeful that air travel will go back to the 70s. Fewer airports fewer aircraft. Expensive flights should be the normal. It is great not seeing vapour trails across the sky. No new runway at LHR destroying countryside and communities. Microsoft Teams has now officially killed off mass business travel. This would be all good for the environment and reverse this and previous generations disrespect for preserving the planet for future generations. This madness of growth and more growth for what?