If you were at the beach in San Diego this weekend, especially off La Jolla Shores, you might have seen streaks of green sea foam. Here’s a stunning photo of the foam off Scripps pier, taken by Eddie Kisfaludy from a small plane 1,500 feet above the ocean. Streaks of green foam (Tetraselmis spp.) off . . . → Read More: What is the green sea foam off La Jolla Shores (San Diego)?