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California Air Resources Board: Voluntary Surveys about Embodied Carbon
Assembly Bill 2446 and AB 43 direct the California Air Resources Board (CARB) to develop a reporting framework to measure and then reduce embodied carbon in building materials.
Surveys
CARB is seeking feedback from the public and industry partners throughout the development of this reporting mechanism. 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 pursuant to Code of California Regulations, title 17, sections 91000-91022 and will not be shared with external stakeholders.
2022 CALGreen Electric Vehicle Charging Updates
Link, Presentation
CBSC presentation featuring updates to electric vehicle charging requirements, effective July 1, 2024.
3C REN: CALGreen Code – 2025 Update
Event
August 13, 2025
This course focuses on Title 24, Part 11, the California Green Building Standards, incorporating the 2025 code changes that take effect January 1, 2026. We’ll review background of the code, the logistics of implementation and the specific requirements for residential and non-residential construction.
Learning Objectives
- Understand CAL Green compliance process for residential and nonresidential projects, highlighting changes in the 2025 code.
- Become familiar with CAL Green mandatory measures and green building benefits of each
- Understand Tier 1 and Tier 2 options.
- Learn tools and best practices for submitting and reviewing compliance documentation
About CALGreen - Title 24 Part 11
Link, Presentation
CBSC summary of the history and development of CALGreen, including current mandatory requirements and voluntary tiers.
ACWA: Water Use Efficiency
Fact Sheet, Link
Association of California Water Agency's resource page for Senate Bill 606 and Assembly Bill 1668 that implements a new framework for long-term water conservation and drought planning for water suppliers throughout the state.
AIA-CLF Embodied Carbon Toolkit for Architects
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.
BAAQMD: EV Charging and Rebate and Information
Fact Sheet
Bay Area Air Quality Management Districts fact sheet on EV rebates and charging infrastructure.
BayREN C&S Training: Introduction to CALGreen
Event
April 23, 2025
Training event designed to equip building department staff with a clear understanding of the California Green Building Standards Code (CALGreen) and its role in advancing sustainability within the state's building sector.
Topics Covered: : Compliance Forms, Energy Code, Heat Pump, HERS, HVAC, Multifamily Building, New Construction, Nonresidential, PV, Residential, Single Family
Benefits of Managed Charging
Fact Sheet
Rather than upgrade a building’s electrical systems, which can be impractical and expensive, an automatic load management system (ALMS) manages EV charging to reduce the electrical load, allowing it to be shared among several vehicles.
Building Decarbonization Practice Guide: A Zero Carbon Future for the Built Environment
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.
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