January 23, 2018 5:15 pm Why Has the California Sea Lion Population Tripled? Over the last 40 years, the sea lion population along the coast of California has been steadily increasing. US & World Videos 2:45 La Jolla Concours d'Elegance classic race cars 1:39 Troops Endure Hyper-Realistic Training 2:07 New study links consuming red meat with dementia 2:05 Police find, return dozens of abandoned Amazon packages 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl