Translate the following English sentence to French:
"Notable in both cases is the constant and worrying increase in the payments by shipowners while, curiously, these are not included in other agreements, as is notoriously the case with the agreement with Greenland."
Dans les deux cas, il faut constater la constante et préoccupante augmentation des paiements aux armateurs tandis que, curieusement, ces prévisions ne sont pas envisagées dans d' autres accords, comme le cas notoire de l' accord avec le Groenland.