Data & references

Cited and internally linked.

Recycling statistics

Key high-level statistics used in recycling discussions, with definitions and caveats.

Emissions by material

How different materials tend to compare in energy and emissions—why results vary.

Landfill methane facts

How methane forms, why organics matter, and what diversion changes.

Recycling vs virgin energy

Why recycled feedstocks often need less energy than virgin production.

Recycling rates by country

How rates are defined and what makes comparisons misleading.

Contamination benchmarks

Typical contamination ranges and why measurement matters.

Bale grades overview

Common bale-grade concepts and why specs differ by buyer.

Material flow basics

Mass balance, leakage, and “where it goes” thinking.

Recycled content explained

What recycled content claims mean (and don’t).

Audit metrics glossary

Capture, contamination, yield, residue, rejection, and net cost per ton.