February 25, 2020 7:19 pm Climate Check Breakdown: Positive Carbon Feedback Loop NBC 6 Meteorologist Angie Lassman breaks down the positive carbon feedback loop, a vicious cycle when the results of warming causes even more warming. US & World Videos 1:33 6 to Know – Top stories of the day 1:37 6 to Know – Top stories of the day 1:45 6 to Know – Top stories of the day 1:45 6 to Know – Top stories of the day 1:50 6 to know – Top stories of the day