{"title":"Reports and Guidance","description":"\u003cp\u003eTechnical guidance from ACLCA committees and working groups on the questions practitioners face in PCRs, EPDs and LCA studies. 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Developed by ACLCA's PCR Committee in 2018 and 2019, this guidance covers each required non-impact metric: the issue with the standard's language, suggestions for PCR developers, and worked calculation examples for practitioners.\u003c\/p\u003e","brand":"ACLCA","offers":[{"title":"Default Title","offer_id":32108246466647,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0202\/5897\/9904\/products\/ISO21930image.png?v=1591229548"},{"product_id":"aclca-2021-conference-proceedings","title":"ACLCA 2021 Conference Abstracts and Proceedings","description":"\u003cp\u003e\u003cstrong\u003eOpen Access.\u003c\/strong\u003e Download at no cost.\u003c\/p\u003e\u003cp\u003eAbstracts and proceedings from the ACLCA 2021 virtual conference.\u003c\/p\u003e","brand":"ACLCA","offers":[{"title":"Default Title","offer_id":40026869989463,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0202\/5897\/9904\/products\/AbstractBook2021.png?v=1667864451"},{"product_id":"aclca-issue-brief-mass-balance-chain-of-custody-accounting-in-lcas-and-epds","title":"Issue Brief: Mass Balance Chain of Custody Accounting in LCAs and EPDs","description":"\u003cp\u003e\u003cstrong\u003eOpen Access.\u003c\/strong\u003e Download at no cost.\u003c\/p\u003e\u003cp\u003eMass balance accounting lets companies claim recycled or bio-based content they can't physically trace through mixed supply chains. This ACLCA issue brief explains how that accounting interacts with LCA and EPD results, and what practitioners and buyers should look for before relying on a mass balance claim.\u003c\/p\u003e","brand":"ACLCA","offers":[{"title":"Default Title","offer_id":41521310728279,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0202\/5897\/9904\/files\/ACLCAMassBalance.png?v=1738680835"},{"product_id":"certifying-automation-tools-in-lca","title":"Certifying Automation Tools in Life Cycle Assessment","description":"\u003cp\u003e\u003cstrong\u003eOpen Access.\u003c\/strong\u003e Download at no cost.\u003c\/p\u003e\u003cp\u003eAutomation and AI tools are changing how LCAs and EPDs are built, scaled and verified, but current standards say little about how to evaluate them. This white paper from the ACLCA Automation Tools Working Group gives practitioners, software developers, verifiers, program operators and buyers a shared framework.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's inside:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eA taxonomy of LCA automation tools, from static to AI-driven\u003c\/li\u003e\n\u003cli\u003eSix categories of verification, including for continuously updated software platforms\u003c\/li\u003e\n\u003cli\u003eRecommended disclosure of automation and AI use in studies and public claims\u003c\/li\u003e\n\u003cli\u003eThe role of human oversight\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePublished by ACLCA, September 2026.\u003c\/p\u003e","brand":"ACLCA","offers":[{"title":"Default Title","offer_id":44269781680215,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0202\/5897\/9904\/files\/ACLCA_Certifying_Automation_Tools_Cover-01_15d88218-a9b0-4ca8-8b13-87ca9f608e62.png?v=1789172145"},{"product_id":"uncertainty-management-in-product-category-rule-pcr-development-and-reporting-in-environmental-product-declarations-epds","title":"Uncertainty Management in PCR Development and EPD Reporting","description":"\u003cp\u003e\u003cstrong\u003eOpen Access.\u003c\/strong\u003e Download at no cost.\u003c\/p\u003e\u003cp\u003eHow sure are the numbers in an EPD, and how should a PCR deal with it? This ACLCA technical guidance, \u003cem\u003eUncertainty: Management in Product Category Rule (PCR) Development and Reporting in Environmental Product Declarations (EPDs)\u003c\/em\u003e, gives PCR committees and LCA practitioners a practical framework for characterizing and communicating uncertainty, so EPD results hold up when buyers, specifiers and regulators rely on them.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's inside:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eData-source hierarchies and ranges for background and foreground data\u003c\/li\u003e\n\u003cli\u003eSensitivity and data-quality assessment methods\u003c\/li\u003e\n\u003cli\u003eHow to report uncertainty in an EPD\u003c\/li\u003e\n\u003cli\u003eWorked examples using Global Warming Potential, with a framework that extends to other indicators\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePublished by ACLCA, 2026.\u003c\/p\u003e","brand":"ACLCA","offers":[{"title":"Default Title","offer_id":44271126020183,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0202\/5897\/9904\/files\/ACLCA_Uncertainty_PCR_EPD_Shopify_Cover.png?v=1789209196"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0202\/5897\/9904\/collections\/aclca-collection-reports-and-guidance.png?v=1793376243","url":"https:\/\/lcacenter.org\/collections\/reports-and-guidance.oembed","provider":"ACLCA","version":"1.0","type":"link"}