Climate pioneer Dave Lowe "we only have one atmosphere"

Dave Lowe's reputation in the world of atmospheric science is legendary, having measured the effects of climate change before the term was even coined! In 1972 he set up the Baring Head Clean Air Monitoring Station, an internationally recognised site for measuring our impact on the Earth's atmosphere and contributed to the IPPC efforts that won a Nobel Peace Prize in 2007. Overnight it was announced that levels of carbon dioxide in the atmosphere reached a new global peak of 407.8 parts per million (ppm) in 2018, up from 405.5 ppm in 2017, according to the World Meteorological Organisation. Dave Lowe talks to Kathryn Ryan about his frustrations at the world's inaction on our "climate emergency" and his hopes for the future.