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A green roof helps mitigate storm water run-off and keep things cool at Virginia Wesleyen College in Virginia Beach, Virginia. Green roofs are one of the latest innovations to help with water management and eco-friendly design, and help illustrate a solution for the focus of the Norfolk, Hampton Roads section of the Chesapeake Bay RAVE, runoff. At the college, scientists are monitoring the effects of the green roof on water managment and runoff. These photos were taken as part of the Rapid Assessment Visual Expedition with the International League of Conservation Photographers and the Chesapeake Bay Foundation. During a RAVE, a team of photographers fan out across a region to document environmental issues affecting the area in a short amount of time. For this assignment, photographer Morgan Heim has 10 days to document as many aspects as she can to illustrate the causes, impacts, mitigation and nature tied to runoff in the area. (Photo/Morgan Heim)