Translate the following English sentence to French:
"We therefore feel it is crucial that as Amendments Nos 5 and 6 seek to establish as objectives which LIFE-Environment should achieve a plan for the sustainable management of ground water and surface water, as well as for reducing greenhouse gases, they should be adopted."
C'est pourquoi il est, à notre sens, essentiel d'approuver nos amendements 5 et 6, qui visent à ériger la gestion durable des eaux souterraines et de surface, ainsi que la réduction des gaz à effet de serre au rang d'objectifs de LIFE "environnement".