a really, really long time to break down millennium a really, really long time to break down 500 to 1,000 years hundreds of years we’re not really sure millennium 500 hundred years or more 500 years to decompose take up to 500 years to decompose entre 50 et 1.000 ans pour se décomposer very, very slowly millennium to hopefully decompose after hundreds of years for a really, really long time degrade plastic bags to break down Slate.com 500 to 1,000 years sit in a landfill for the next 500-1000 years 500 to 1,000 years 500 years to decompose hundreds of years hundreds of years Microorganisms don’t recognize plastic 100 to 400 years to degrade in landfill sites for a really, really long time hundreds of years harmful chemicals into the soil from 500 to a thousand years millennium 500-1000 years “mucho, mucho tiempo” західні 500 years or more this article Como explica Slate an estimated 500 years to decompose in a landfill between 500 to 1,000 years to decompose sit in a landfill for the next 500-1000 years sit in a landfill for the next 500-1000 years millennium 100 to 400 years to degrade in landfill sites 500 to 1,000 years up to 1,000 years hundreds of years hundreds of years for plastic bags to degrade hundreds of years hundreds of years between 500 and 1,000 years rubbish dumps? how long they remain in the ecosystem does not completely breakdown plastics hundreds of years to decompose западные a really, really long time to break down millennium hundreds of years a really, really long time to break down hundreds of years we’re not really sure we’re not really sure millennium scientists don’t really know a really, really long time to break down Slate an estimate 500 years to decompose in a landfill 500 years 500 years