Before booking your flight.
His planting trees would only offset 0.01% in the next 20 years and called "Green Gimmick"Most flights carry more fuel so using more fuel just to fill up in a country where they can buy it cheaper saving about £40.00 per flight. However calculations on all flights in Europe means a saving of 230 million.
Copied from the Telegraph Oliver Smith:
Does 9.9 megatonnes sound like a “low” amount to you? That’s how much CO2 Ryanair’s 419 aircraft collectively belched into our atmosphere in 2018, making it one of the continent’s 10 biggest carbon emitters, according to a European Commission report. The other nine? They’re all coal-fired power stations.