The cradle to cradle approach is a closed-loop system in which waste does not leave. Cradle to cradle goes beyond 'cradle to grave' and conforms more to the model of the circular economy.
In a cradle to cradle model products would be designed in a way so that at the end of their initial life they can be readily reused, or recycled, and therefore avoid landfill altogether.
Cradle to Cradle® certification follows a four-step process to assess products against five criteria: