Many marine animals are struggling to survive the impacts of 20th century industrial civilization on the world’s oceans. Elephant Seals are one species that have rebounded back from the brink of extinction to a population growing in numbers and range. Now they’ve become a major tourist attraction along the California coast on where colonies have been established. But like all ocean creatures, Elephant Seals are facing the multiple challenges brought on by global warming, in addition to human impacts. Pacifica’s Vic Bedoian reports from Fresno.