Fossil fuels are the source material for most plastics + for the chemicals added to them. As firms lose their iron grip on energy production, indications are they're shifting to using oil + gas for plastic production, which has more than doubled since 2000 + looks set rise 40% in the next 10 years.
ecoinvent.org
Partner Spotlight: Interview with Dr. Geoff Brighty of Mura Technology - ecoinvent