If they started charging for it, that would probably go a long way to end all cooperation with state authorities, very quickly. As in, have their right to deploy/maintain the retainers revoked, etc.
If those countries had the political will and financial resources to deal with the waste, they wouldn't need for an NGO to do it in the first place.
If those countries had the political will and financial resources to deal with the waste, they wouldn't need for an NGO to do it in the first place.