May 30, 2019 8:06 pm Levels of Co2 Hit an All-Time High For the last 61 years, scientists at Scripps Institution Oceanography have been measuring daily levels of carbon dioxide in the atmosphere. NBC 7’s Dagmar Midcap has more. US & World Videos 0:28 A Vermont state trooper plunges into icy pond to rescue 8-year-old girl 2:59 Keep these travel etiquette tips in mind this holiday season
