Every year, millions of people across the globe gather on Earth Day (April 22) to celebrate the environmental movement. The 2024 theme, "Planet vs. Plastics", aims to raise awareness of the harms of plastic pollution for human and planetary health. This year's focus comes ahead of an historic UN treaty on plastics, which is expected to be agreed by the end of 2024.  (BBC News) 

Here are some experts from McGill University who can comment on this topic: