“decarbonisation” is pure fraud. Airlines that exploit it will go bankrupt.
If man was truly causing run away global warming these efforts are fruitless. India and China run on coal and are building more coal plants all the time. They are not cutting back and will not cut back because they are not stupid. Both nations suffer greatly from air pollution due to poor designs, but cheap, coal burning plants. Our coal burners in the USA are far superior.
CO2 is plant food.
Crop production and increasing greening of the earth is happening. Our earth has had multiple ice ages and warming between them. What is happening today is no different that what has happened in the past before man walked on earth. The icecaps may melt and the sea may rise. We do not know. If this happens man will slowly rebuild inland over 100s of years. This is not a crisis.
Oddly we could be at the very beginning of a new ice age if history repeats itself. Again, we do not know!