Translate the following English sentence to French:
"Comparing the differences between the Gothenburg Protocol and the Commission' s proposal with regard to the effects on health, the annual reduction levels proposed by the Commission would save the lives of as many as four thousand people a year in Europe."
Si on compare les différences entre le document de Göteborg et la proposition de la Commission du point de vue des effets sur la santé, le niveau de réduction proposé par la Commission épargne annuellement jusqu' à quatre mille vies humaines en Europe.