Shimon, localized air pollution is an observable phenomenon, but your theories on the use of plastics is not proven.
Aaq, it’s true that we’re not supposed to be wasteful, but the mitzvos of bal tashchis etc are to teach us to appreciate Hashem’s world, not that we’re baalei batim on it and that we have the ability to destroy or help it without it being Hashem’s will.