More information on our show can be found at podcastdotcom.net
Sources:
https://www.bbc.com/news/science-environment-44359614
https://www.bbc.com/news/science-environment-44357243
http://iopscience.iop.org/article/10.1088/1748-9326/aabc5f/meta
https://www.telegraph.co.uk/science/2017/12/13/193-nations-sign-pledge-tackle-global-crisis-plastic-oceans/