Which statement includes a claim that is debatable?
1. Using a metal water bottle is one thing the average person can do to keep plastic out of landfills
2. Increasing the refundable deposit for recyclable glass bottles and aluminum cans will encourage more people to recycle
3. One major university reduced its overall waste output by 62% through a recycling and composting program
4. The Florida legislature is considering adding a refundable deposit to beverages sold in recyclable containers