Agence France-Presse: The Gulf of Mexico calamity could be a catalyst for greater understanding of the marine environment, says Philippe Cousteau, grandson of ocean explorer Jacques Cousteau and member of a family devoted to the sea. “What is the legacy of this oil spill? I hope this reminds us of the true cost of our addiction to fossil fuels,” Cousteau said in an interview with AFP. “I hope this adds to the dialogue and gets us to realize we need to get off fossil fuels, that there are …