Scientists warn 2019 could be the Hottest Year on record

Scientists warn 2019 could be the Hottest Year on record

Scientists are warning that a likely El Niño event coupled with climate change could make 2019 the hottest year on record. Samantha Stevenson, a climate scientist and co-author of a study on the impact of El Niño, joined CBSN to discuss the effects of warming temperatures.