He's buying carbon indulgences to offset his carbon footprint.
When Coldplay released its second hit album, A Rush of Blood to the Head, the band said that part of the environmental damage caused by its production would be offset by the planting of 10,000 mango trees in southern
India.
https://www.telegraph.co.uk/news/uknews/1560675/Carbon-offsetting-schemes-not-so-green.html
Horses and sailboats