Cradle to Cradle Certified® Resources
Standards, guidance, methodologies, policies and forms supporting the Cradle to Cradle Certified® Products Program.
Reference documents supplement the standard
New for Version 4.0
Cradle to Cradle Certified Required Percentages of Cycled and Renewable Content by Product and Material Type
Guidance documents provide additional clarification and interpretation, and should be used in conjunction with the certification standard.
Material Health Assessment Methodologies
Material Health methodologies are used to assign assessment ratings to chemicals and materials in a product applying for certification.
Other Assessment Methodologies
Other methodologies required for use in the assessment of products for certification