1: Costco shoppers express frustration over wasteful behaviors exhibited by fellow customers.

2: Customers criticize excessive use of plastic bags and packaging at Costco stores.

3: Shoppers urge for more sustainable practices and eco-friendly options at Costco locations.

4: Concerns raised over the amount of food waste generated by Costco shoppers.

5: Calls for better recycling and composting programs in place at Costco warehouses.

6: Suggestions for reducing single-use plastic usage among Costco customers.

7: Debates on the responsibility of both customers and the company in reducing waste at Costco.

8: Efforts to raise awareness about the environmental impact of wasteful shopping habits at Costco.

9: Advocacy for a more conscious and sustainable approach to shopping at Costco outlets.