The goal of this analysis is to aggregate and analyze existing data to identify and prioritize system needs and forecast possible outcomes of targeted interventions and investments in Washington state’s circular economy.

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The ReFED Roadmap to 2030 looks at the entire food supply chain and identifies key action areas to help reduce food waste. Read More

The design guide helps packaging designers compare aspects of package design against industry-accepted criteria to ensure recyclability. Read More

The map shares volumes of plastics by type and the flows by country, state, and province highlighting critical opportunities to recapture valuable plastics for manufacturing. Read More

An annual global circularity metric that measures the state of the world economy and identifies key levers to transition to global circularity. It also provides insights into the circularity gap of individual countries and sectors. Read More

The Washington State Department of Ecology commissioned a four-season municipal solid waste (MSW) characterization study in 2020-2021. Read More

The 2020 study, sponsored by the Washington State Dept of Ecology, includes data on plastic packaging waste generation, disposal, and management in Washington. This report describes these findings as well as the infrastructure necessary for a plastic packaging management system that meets the intent of the Legislature’s goals. Read More

The 2020 EPA REI report presents the results for nine material categories, estimates the contribution of recycling to the nation’s economy, updates the 2016 report, compares the results between the updated model and the 2016 model, and provides the foundation to integrate data with the US EPA Input-Output (USEEIO) model. Read More

In 2019, King County conducted a year-long waste characterization study and customer surveys at its disposal facilities as part of the Waste Monitoring Program. This research included data collection across all four seasons across throughout county. Read More

As part of King County’s Waste Monitoring Program in 2019, Cascadia Consulting Group conducted a characterization study focused on the organic materials coming from commercial businesses across King County, except for those from the City of Seattle. . This document describes the methods and outcomes of this materials characterization study of incoming commercial organics loads destined for organics processing. Read More

In 2017, the King County Solid Waste Division (SWD) completed a comprehensive characterization study of the single-family curbside collection program as part of the County's ongoing waste monitoring program. The study sought to understand residential composition and contamination, and generation rates, participation rates, and capture rates for the portion of the single-family population with curbside collection. Read More

The Washington State Department of Ecology commissioned a four-season municipal solid waste (MSW) characterization study during 2015-2016. Read More