Acme Products Uses Wind Power,adheres to Global Warming Standards,designs Packages

Acme Products uses wind power,adheres to global warming standards,designs packages that minimize repackaging,keeps chemicals within the production cycle,and uses large amounts of tin from Peru.Which of the following prevents Acme Products from being a cradle-to-cradle operation?

A) excessive creation of waste
B) the use of an open-loop industrial cycle
C) the use of nonrenewable energy
D) the use of nonrenewable resources
E) excessive creation of pollution