As temperatures warm, harmful algal blooms will likely blossom even more, posing a threat to wildlife, human health and could even affect drinking water.
creatures feed on the toxic algae, they are eaten by larger mammals like dolphins and sea lions. these blooms have happened before, but this year scientists warm that the concentration of toxins in this bloom forecasted in red is leading to potentially record deaths of marine life. experts liken this to waves of a tsunami washing over local beaches with even more sea lions and dolphins showing symptoms. reporter: the dolphins lifeless once they hit the shore. the sea lions beached and suffering from seizures and paralysis. people who have called in because they have seen animals on the beach, and they have described it as the ocean sort of coughing up death. i m here to report a sea lion. he seems to be foaming at the mouth and looks like it s in distress. this one is really on his way out. his eyes are closed and just shallow breathing. it s so sad. reporter: all of it weighs on rescuers like adam.