December 7, 2011 12:10 am Thieves See Only Green at Traffic Lights Copper thieves are seeing green as they target traffic lights for quick cash. NBC Bay Area’s Jodi Hernandez reports from Vallejo. US & World Videos 5:57 San Francisco is trying to ban cancer-causing chemicals in firefighter gear, but are alternatives safe? 1:53 5 sports icons inducted into the Bay Area Sports Hall of Fame 3:16 San Francisco mom highlights student safety on Muni after alleged anti-Asian attack 0:24 Murder suspect arrested following neighborhood lockdown in Antioch 2:50 Israel-Hamas ceasefire negotiations underway