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The Solid Waste Emissions Estimation Tool (SWEET) is an Excel-based tool that quantifies emissions of methane, black carbon, and other pollutants from sources in the municipal solid waste sector. The tool provides emissions and emissions reduction estimates at the project-, source-, and municipality-level. Cities can use this information for multiple purposes, including establishing a baseline scenario, comparing a baseline scenario to as many as four alternative scenarios, analyzing specific projects for potential emissions reductions, estimating the contribution of activities in the waste sector to overall city emissions reduction goals, and tracking progress over time, among other things.
SWEET was developed by the U.S. Environmental Protection Agency (with assistance from Abt Associates and SCS Engineers) on behalf of the Climate and Clean Air Coalition Municipal Solid Waste Initiative.
Version 1 of the tool was released in October 2017. The version 2.0 was released in February 2018.
The current version 3.0 was released in May 2019. The main new feature of SWEET v3.0 is that users have the option to adjust their open burning rate in the future for a given alternative scenario. SWEET v2.1 assumed a constant burning rate throughout the entire lifetime of the analysis. Now, in SWEET v3.0, a user can model an example alternative scenario with an open burning rate of X% in 2020, and Y% in 2030. They are allowed one adjustment to the open burning rate per scenario. Alternatively, users can test the impact of targeting different sources of open burning pollution.
Please use the links below to download the tool and its manual.
Manual - SWEET
SWEET v. 3.0 - Excel file (English version)
Webinar - Introduction to the SWEET tool
Fact Sheet - SWEET
Example City - Excel file
Consolidated Data Requirements
SWEET v. 2.1 - Excel file (Spanish version)
SWEET v. 2.1 - Excel file (Portuguese version)
SWEET v 3.0 - Presentation