Conversation so far:
What are some of the green building practices of Merchandise Mart?
In 1990, the Mart Center began using Green Seal-approved green cleaning products and the next year implemented a recycling program.
What did Merchandise Mart's recycling program include?
The Mart Center implemented a recycling program, which today includes all forms of paper products, glass, light bulbs, batteries, aluminum and construction materials.

Question: How was the recycling program run?
Self-contained rewrite: How was Merchandise Mart's recycling program run?