Translate the following English sentence to French:
"This framework for cooperation will, therefore, make it possible to improve existing local or national resources, particularly by creating better conditions for intervention in the event not only of accidental pollution but also of deliberate pollution."
Ce cadre de coopération permettra donc d'améliorer les capacités locales ou nationales existantes, notamment en créant de meilleures conditions d'intervention, en cas, non seulement de pollution accidentelle, mais aussi en cas de pollution intentionnelle.