Walmart is winning over some Portland-area naysayers with its construction of a new store in North Portland that will be home to not only the largest green roof in the green-happy city of Portland, but the largest green roof in the entire state of Oregon.
When completed, the vegetated, carbon dioxide-absorbing roof atop the Hayden Meadows Walmart will measure 40,600 square feet.
(READ the story from MNN.com)