green roof on Sharrow school in the UKWalmart 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.

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Thanks to Steve G. for submitting the story – Photo credit: Sharrow school in the UK

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