Pierre-Yves Cousteau and Diletta Carmellini, one of the very first Cousteau Diver members. The shot is taken by Manu San Felix in one of Formentera's (Spain) Posidonia seagrass prairies declared world heritage in 1999 by UNESCO. "We need more protected marine areas, says PYC, but all our efforts may prove vain if we fail to stabilize the CO2 levels of the atmosphere who threaten to acidify the seas and raise global temperatures, devastating marine ecosystems worldwide". Cousteau Divers is a non-profit organization to grassroots marine conservation within the diving community. Cousteau Divers supports 350 in its action to stabilize atmospheric CO2, probably one of the greatest challenges mankind will face this century.

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