Living Product Challenge v2.0 Handbook
April 2025
April 2025
Table of Contents
Living Product Challenge v2.0 Handbook
April 2025
Living Product Challenge v2.0 Handbook — April 2025
April 2025
Introduction to the Living Product Challenge
Program Overview
LCA and Handprints
Material Health
LPC Resources
Certification Timeline and Guidance
How to Use the Petal Handbooks
Other ILFI Programs
Legal Disclaimers
Place Petal
I01- Responsible Place (Core)
Imperative Overview
Clarifications
Exceptions
PL-018 Third-Party Certification
PL-019 Site Environmental Indicators
Documentation Requirements
Resources
I02- Habitat Exchange
Imperative Overview
Clarifications
Exceptions
Calculations
Documentation Requirements
Resources
I03- Living Economy Sourcing
Imperative Overview
Clarifications
Exceptions
PL-020 Local Impact Reporting
Documentation Requirements
Resources
Water Petal
I04- Water Footprint (Core)
Imperative Overview
Clarifications
Exceptions
Documentation Requirements
Resources
I05- Net Positive Water
Imperative Overview
Clarifications
Exceptions
WT-010 Chlorine Disinfection
Documentation Requirements
Resources
Energy Petal
I06- Energy Footprint (Core)
Imperative Overview
Clarifications
Exceptions
Documentation Requirements
Resources
I07- Net Positive Energy
Imperative Overview
Clarifications
Exceptions
EC-017 Renewable Energy Certificates for Contract Manufacturing
EC-018 Pre-existing Infrastructure (LPC)
EC-019 Off-site Renewables (LPC)
EC-020 Photovoltaic Array Ownership
EC-021 Shared/3rd Party Arrangements
Documentation Requirements
Resources
Health & Happiness Petal
I08- Red List (Core)
Imperative Overview
Clarifications
Approved Declare Statuses in LPC
Red List Free Packaging
Volatile Organic Compounds (VOCs)
LBC Watch List and Red List Update Process
Chemical Abstract Service Registry Numbers (CASRNs) and Red List Classes
Small Electrical Components
Special CASRN Reporting Requirements
Unintentional Trace Amounts
Toxic Chemical Release
Exceptions
Exception Evaluation
RL-002b Small Electrical Components
RL-019 Innovative Materials Inventory
RL-024 Product Failures – Grace Period for Red List Ingredients or Process Chemicals
Documentation Requirements
Resources
I09 Transparent Material Health
Imperative Overview
Clarifications
Chemical Hazard Assessment
Optimization Pathways in LPC
Approved Third Party Material Health Assessor (MHA)
Reasonable Risk of Exposure
Publicly Available Reports
Recertification and Continuous Improvement
Exceptions
RL-020 Assessment Continuous Improvement
Documentation Requirements
Resources
I10-Human Thriving
Imperative Overview
Clarifications
Exceptions
HH-007 Appropriate Corrective Action
Documentation Requirements
Resources
Materials Petal
I11- Responsible Industry (Core)
Imperative Overview
Clarifications
Exceptions
MT-008 Bio-Based Commodity Products
MT-009 Alternative Forestry Certifications for Product Packaging
Documentation Requirements
Resources
I12- Regenerative Materials
Imperative Overview
Clarifications
Exceptions
Documentation Requirements
Resources
I13- Net Positive Waste
Imperative Overview
Clarifications
Exceptions
MT-010 Material Process Efficiency
MT-011 Waste-to-Energy Diversion
Documentation Requirements
Resources
I14- Net Positive Carbon
Imperative Overview
Clarifications
Exceptions
Documentation Requirements
Resources
Equity Petal
I15- Ethical Supply Chain (Core)
Imperative Overview
Clarifications
Exceptions
Documentation Requirements
Resources
I16- Equitable Investment
Imperative Overview
Clarifications
Calculations
Exceptions
Documentation Requirements
Resources
I17-Just Organizations
Imperative Overview
Clarifications
Exceptions
EQ-007 B Corporations
Documentation Requirements
Resources
I18- Social Co-Benefits
Imperative Overview
Clarifications
Exceptions
Documentation Requirements
Resources
Beauty Petal
I19- Inspiration and Education (Core)
Imperative Overview
Clarifications
Exceptions
Documentation Requirements
Resources
I20- Beauty and Spirit
Imperative Overview
Clarifications
Exceptions
Documentation Requirements
Resources
Handprinting Guide
Introduction: Net Positive Potential
An Introduction to Handprinting
Becoming Net Positive in LPC: Two Scales
Site Net Positive: Walk the Talk
Life Cycle Net Positive: Lead the Way
From Negative to Positive: Reducing the Footprint and Implementing Handprints
Footprints: Measuring and Reducing Impact
Handprints: Building Net Positive Impact
Handprinting Parameters and Considerations
Handprinting Framing Questions
Summary of the Net Positive Process
Becoming Net Positive in LPC: Program Requirements
I05 Net Positive Water
I07 Net Positive Energy
I13 Net Positive Waste
I14 Net Positive Carbon
I18 Social Co-Benefits
Transparent Material Health Guide
Introduction to the TMH Guide
Transparency: A Foundation for Change
The Precautionary Approach
Living Building Challenge, The Red List and the Watch List
Declare: The Ingredients Label for Building Products
Transparent Material Heath: Beyond the Red List
Pathway to Safer Materials
Know, Disclose, Assess, Optimize
LPC Material Health Methodology
Imperative 08: Red List (Know + Disclose)
Imperative 09: Transparent Material Health (Assess + Optimize)
Risk and Exposure Guidelines
Recertification Guidance
Approved Consultants and Assessors
Material Health Resources
ILFI Program Glossary
A-G Terms
H-P Terms
Q-Z Terms
Summary of Changes
April 2025 Updates
Changes to Introduction to the Living Product Challenge (Q1 2025)
Changes to the Health and Happiness Petal (Q1 2025)
Changes to the Materials Petal (Q1 2025)
Changes to the Glossary (Q1 2025)
October 2024 Updates
Changes to the Materials Petal (Q3 2024)
July 2024 Updates
Changes to the Health and Happiness Petal (Q2 2024)
Previous Versions of the Handbooks
Download as PDF
I05- Net Positive Water
Resources
Imperative Overview
