However, more sustainable alternatives have proved controversial. Earlier this year the UN’s chief scientist, Jacqueline McGlade, described biodegradable plastics as “well-intentioned but wrong” since those that end up the oceans do not have the right conditions to break down.
Other plastics, including so-called oxo-degradables (pdf), break down into microplastics, which are also thought to be highly damaging if they find their way into the ocean.
Now a new generation of plastic makers is working to tackle the global plastic waste crisis head on by developing home-compostable plastics. (…) (theguardian.com, October 2016)