Paper & Cardboard

Fiber grades, wet/greasy contamination, and packaging traps.

Deep dives

Accepted items — What’s accepted and why acceptance varies by program.
Preparation steps — How to prepare the material to maximize recyclability and value.
Common contamination — Top contamination sources and how they break sorting or end markets.
End markets — Where the material goes and what buyers care about.
Climate impact — How this material relates to emissions and energy use.
Design for recyclability — Packaging/product design choices that improve outcomes.

How to keep material high-quality.

Where recycling changes climate outcomes.

Value is driven by grade and cleanliness.