C2C Design

What do you think about C2C (Cradle to Cradle) design?

Like the Steelcase ‘think’ which is made of 99% recyclable materials and without the use of benzene, lead, mercury or solvents.
http://www.dexigner.com/product/news-g4140.html

What other products do you know of that can be an example of C2C design? And how does C2C design play an important role in green - friendly industrial design?

http://www.mbdc.com/c2c_mbdp.htm

cradle to cradle design protocol