Translate the following English sentence to French:
"Mr Katiforis has certainly not lacked the courage to set out the measures which, in his opinion, could help to improve and conserve the natural resources of the sea."
M. Katiforis a faut preuve de beaucoup de courage en exposant des mesures qui, d'après lui, pourraient contribuer à l'amélioration et à la conservation des ressources naturelles de la mer.