The encyclical letter Laudato Si is available here on the Vatican website.
171. The strategy of buying and selling “carbon credits” can lead to a new form of speculation which would not help reduce the emission of polluting gases worldwide. This system seems to provide a quick and easy solution under the guise of a certain commitment to the environment, but in no way does it allow for the radical change which present circumstances require. Rather, it may simply become a ploy which permits maintaining the excessive consumption of some countries and sectors.
This statement got noticed. Perhaps one can’t always be permitted to buy one’s way out of trouble.