In the U.S. alone, roughly 500 million computers will become obsolete by 2017. These computers contain more than 2 billion pounds of what will become lead waste that is harmful to the environment. As a result, computer manufacturers are being pressured to accept the return of used computers for the safety of communities. This environmental issue reflects a problem with __________, a technological issue within the marketing environment.

recycling

gray marketing

preowned marketing

postcycling

precycling

bicycling