The crossword solutions for the term SEAS, TO COUSTEAU are MERS, which stands for Mediterranean Environment Research and Studies. Jacques Cousteau was a French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author and researcher who studied the world's oceans and aquatic life. He is most famous for his underwater documentaries and his research on the Mediterranean Sea. MERS was an organization founded by Cousteau in the 1970s to study the Mediterranean Sea and its environment.