Pepisco and Waste Management have developed a plan to improve the reverse supply chain for individual beverage bottles not most commonly thrown in trash cans and not recycled. Together Pepsico and Waste Management have plans to deploy thousands of "Dream Machines" in both permanent and temporary locations that will take in recycled bottles and provide rewards to consumers who participate. These companies are practicing:
a. sustainable supply chain management
b. contract logistics
c. intermediary distribution
d. eco-marketing
e. environmental mediation
ANSWER: a