Is it true that all glass, plastic, paper, and cardboard can be recycled?

The correct answer is that it is false to say that all glass, plastic, paper, and cardboard can be recycled. While these materials are commonly recyclable, not every item made from these materials is recyclable everywhere. Various factors influence recyclability, including local recycling capabilities, contamination of materials, and the specific type of glass, plastic, paper, or cardboard.

For instance, certain types of plastics with recycling codes that are rarely accepted by recycling facilities may end up in landfills. Similarly, paper products that have been contaminated with food residue or other substances may not be recyclable. The sorting of materials also impacts the ability to recycle, as non-recyclable items mixed in with recyclables can lead to entire batches being deemed non-recyclable.

Thus, the broader context of recycling highlights that while many items can potentially be recycled, saying all items made from these materials are recyclable is misleading. Recycling guidelines can vary greatly by location, and understanding the specifics is crucial for effective recycling practices.