CalGreen

California Air Resources Board: Voluntary Surveys about Embodied Carbon share

CARB is seeking feedback from the public and industry partners throughout the development of a reporting framework to measure and then reduce embodied carbon in building materials. One form of this feedback is through voluntary data sharing, where industry can choose to share embodied carbon-related data with CARB to increase understanding of the current availability of embodied carbon data in the field. The responses that CARB receives through this survey will be treated as Confidential Business Information.

2025 Embodied Carbon and LCA Software Factsheet share

Fact Sheet

Factsheet covering available Embodied Carbon and Life Cycle Assessment software to assist in 2025 CALGreen compliance. 

2025 Guidance for Selecting CALGreen Compliant Materials share

Fact Sheet

Guidance document for selecting CALGreen compliant materials for nonresidential projects in California.

About CALGreen - Title 24 Part 11 share

Link, Presentation

CBSC summary of the history and development of CALGreen, including current mandatory requirements and voluntary tiers.

AIA-CLF Embodied Carbon Toolkit for Architects share

Link

The AIA-CLF (American Institute of Architects - Carbon Leadership Forum) Toolkit provides architects an overview and the necessary steps to reduce embodied carbon in their projects.

Building Decarbonization Practice Guide: A Zero Carbon Future for the Built Environment share

Guidebook, Link

A project of the William J. Worthen Foundation, this is an expert-created free compendium of practical, case study-based guidance; an up-to-date reference tool that design professionals (architects, engineers, contractors, and others) as well as developers, funders, and policymakers can apply now.

CALGreen Checklists (AIA California) share

Checklist / Worksheet, Link

Residential and Nonresidential checklists with the new embodied carbon updates effective July 1, 2024. Each zip file contains an editable CAD and print-ready PDF version of the checklist in 24×36 format.

CALGreen Embodied Carbon Series (Part 1 of 4): Understanding the 2023 Embodied Carbon Amendments share

Link, Presentation

In this introductory session, experts from the Rocky Mountain Institute (RMI) and New Buildings Institute (NBI) lead the session focusing on the compliance pathways and requirements essential for industry professionals. They offer a detailed overview of the regulations related to embodied carbon and insights into the future development of California's state code. The webinar also includes a segment on resources available to assist professionals in adapting to these changes.

CALGreen Embodied Carbon Series (Part 2 of 4): Whole Building Life Cycle Assessment for Code Compliance share

Link

This session focuses on implementation of the Whole Building Life Cycle Assessment (WBLCA) compliance pathway, covering basic practices, available tools and resources, and practical considerations for practitioners.

CALGreen Embodied Carbon Series (Part 3 of 4): Implications of Material Procurement for Design Professionals share

Link, Presentation

This session focuses on implementation of the Prescriptive pathway which relies on Environmental Product Declarations for materials and lowering embodied carbon through material selection and procurement. Discussion topics will include collaboration between design and construction teams, supply chain engagement, specifications, and practical examples.

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