they spend decades holding meetings and muttering to each other , creating a few agreements here and there to do something about it at some point in time in the futureon those few occasions when they can agree , that is , and without of course the agreement of certain major powers in any caseand then they all get up , highly contented , extremely self-satisfied and feeling oh , so very proud of themselves , a job well done old chap , and pollute their way back again to their various homes around the planet . ''