Air travel/global warming
If the need for CO2 reduction is accepted, taxation is not an answer. Pricing Joe Soap from the skies will reduce the number of close to full aircraft, but retain all the half empty or worse flights used by business and the well heeled. As for the Tory idea of 2,000 miles green allowance, which will get you to Portugal, Spain and Italy, but not Greece or Cyprus, I can’t see it getting past EU scrutiny.
If temperatures rise, would that not make our summer holiday spots in the Med into winter holiday destinations, far more affordable than the Caribbean, Seychelles etc.?
I think the big problem would be rising sea levels making many coastal resorts untenable