The green roof and green wall business will grow to a $7.7 billion market by 2017.
Green roofs, also called ecoroofs, and green walls — exterior walls that incorporate planters — are being used to counter air pollution, provide stormwater treatment and to counter the head island effect generated in dense cities.
Specifically, green roofs will create a $2 billion opportunity to suppliers of the waterproof membranes and other materials that provide a barrier between the roof and the vegetation. Green walls will capture $680 million of the overall market.
Read more at Sustainable Business Oregon.