The United States is on the verge of losing more than half of its low-carbon energy as the fight against climate change reaches a critical point — a reality the country hasn’t fully grappled with. That’s according to findings recently published by researchers at UC San Diego, Harvard University and Carnegie Mellon University in the journal Proceedings of the National Academy of Sciences.

The captivating scenes are caused by a bloom in bioluminescent algae.

The southern California city faces a spike in people living on the streets, and new housing will take years to build. Now huge temporary structures are offering respite and key services

Nearly two dozen children and two adults were injured Saturday night when a wooden platform collapsed during a birthday party at a San Diego gym, officials said.

A San Diego couple was in the right place at the right time when they spotted a man walking along the Coronado Bay Bridge and immediately felt something was wrong. Wednesday was date night for Dr. Matthew Bruhin and his wife, Elizabeth. The couple told NBC 7 they hit some traffic on the way back home their home to Coronado Island. Their path crossed a stranger's path, just in the nick of time.

About 2,400 San Diego County kindergartners — in both public and private schools — began the 2016-2017 school year lacking one or more recommended vaccinations against diseases such as measles, polio and whooping cough, according to an inewsource analysis of state data. That figure represents about 5.3 percent of the county’s kindergarten students.

This is the final week of newscasts for XETV-TV CW6. Channel 6’s last newscast is scheduled for its 10 p.m.show on Friday, March 31.

SeaWorld San Diego is ending its long-running killer whale show after years of outcry and falling attendance prompted it to renounce theatrical orca displays. The show that featured killer whales cavorting with trainers and leaping high out of the Shamu Stadium pool will have its final performances on Sunday. This summer, the park will unveil a new attraction in the revamped pool. Orca Encounter is being billed as an educational experience that will show how killer whales eat, communicate and navigate.