Decades of plastic production have already caused environmental problems.
"Plastic production is growing at 9% a year," he says.
PET makes up almost one-sixth of the world's annual plastic production of 311m tons.
Plastic production accounts for 8% of the worlds oil reserves and that is likely to increase.
DuPont, Monsanto, Mobil and Exxon bought or developed plastic production facilities.
Plastics- the Facts 2014/2015: An analysis of European plastic production, demand and waste data.
He said he was deeply troubled by the expansion in plastic production.
Plastic production is set to double in the next 20 years and quadruple by 2050.
That's a fraction of one percent of the United States' overall plastic production, which totaled 101.5 billion pounds in 2008.
US plastic production more than tripled between 1939 and 1945, from 97,000 tonnes to 371,000 tonnes.
The Guardian has already revealed the vertiginous growth in plastic production, and the heavy environmental toll it exacts.
