Contamination risk: how asbestos can end up in our parks

Asbestos has been found in numerous public sites across Sydney after being discovered in mulch this month at the new Rozelle parklands development in Sydney. Now a Guardian Australia investigation reveals a potentially more dangerous type of contaminated soil may have been used in other developments across NSW, despite the environmental regulator knowing about the risks for more than a decade. Environmental reporter Lisa Cox tells Gabrielle Jackson why recycled contaminated building waste is being found in our soil