This is a great article from Dalhousie University.
Justin Trudeau tried to reduce the use of single use plastics. He faced enormous political backlash. Pierre Poilievre, leader of the Conservative Party, campaigned on defending plastics:
https://www.cbc.ca/news/politics/poilievre-scrap-plastics-ban-1.7514037
Poilievre claimed that the federal Plastics ban was inflicting financial pain on Canadian families
https://www.youtube.com/watch?v=2Bri5-IqHqw
Evidence‑based solutions are indeed under political fire.