Where does Kingston's plastic waste go? Watch the recent BBC1 War on Plastic series, https://www.bbc.co.uk/programmes/m0005xh7 , especially the first programme, which revealed some alarming facts sbout what happens to the plastic matetial "recycled" in the UK and then exported...
And then you could ask your coucillors to to find out where Kingston’s recyclable plastic goes after Veolia have collected and sorted it.