I don't care if someone thinks that is cheap - it saves me money and is a small way to reduce my environmental footprint.
If you then take the petroleum feedstock and convert it very efficiently into the polymer, it can have a very low environmental footprint.
Choosing to eat plants instead of animals lightens our environmental footprint, including our dependency on oil, and it improves and saves lives, both human and non-human.
In my presentation I will deal with the environmental footprint of China's global expansion.