Bring your own reusable bags to the grocery store instead of using plastic bags.
Use a refillable water bottle instead of buying single-use plastic water bottles.
Say no to plastic straws when you go out to eat, or bring your own reusable straw.
Use a reusable coffee cup instead of disposable cups.
Bring your own containers to the bulk food store instead of using plastic bags.
Avoid buying products with excessive plastic packaging, and opt for products with minimal packaging.
Use a bar of soap instead of liquid soap in plastic bottles.
Avoid using plastic utensils and bring your own reusable utensils with you when you eat out.
Use cloth napkins instead of paper napkins.
Repurpose glass jars and containers for storage instead of buying plastic containers.
Remember, the key to success in any challenge is to start small and gradually build up. Choose one or two actions to implement each week and watch how your plastic consumption decreases over the course of the challenge. Good luck!