Biodegradable plastics?

As major retailers in New Zealand are removing plastic bags at checkout, Ivan gave his opinion about the plastic pollution problem and alternative ‘biodegradable’ plastic bags.

Link to New Zealand Herald article
https://www.nzherald.co.nz/nz/news/article.cfm?c_id=1&objectid=12056933

Link to Scoop article
http://www.scoop.co.nz/stories/SC1805/S00070/smc-how-biodegradable-are-bags.htm

Link to Science Media Centre article
https://www.sciencemediacentre.co.nz/2018/05/23/caution-urged-over-biodegradable-bags-expert-reaction/

Link to Chinese NZ Herald article
http://www.chinesenzherald.co.nz/news/lifestyle/are-%27biodegradable%27-plastic-bags-any-better-for-the-planet/