BSC Library Articles Tagged: Water Quality

  • carbon sequestration

    GREEN ROOF INDUSTRY PUTS DOWN ROOTS IN DOWNTOWN DURHAM

    December 4, 2013

    The First Green Roof in Downtown Durham’s Historic District Photo: Xero Flor America Green roofs are an increasingly popular feature on new sustainably designed and built structures - managing storm water, reducing air conditioning needs and promoting biodiversity in the process. Because of the additional weight, putting a green roof on an existing building, however, can be challenging - especially in a designated historic district. This is where “extensive” green roofs come into the picture. “Extensive” green roofs typically range from 2 to 6 inches in depth, and are relatively light weight, making them a possible option on retrofits without significant…

  • agriculture

    What does the California drought mean for NC?

    April 29, 2015

    Raleigh's primary water supply, Falls Lake, lost 70% of its volume during the 2007 drought. Photo Credit: LearnNC The western United States are parched. California is now in the fourth year of a severe drought. The Sierra Nevada mountains have less than a tenth of the snow they usually have at this time. In normal years, this snowpack provides a third of the water that California uses during summer and fall. For the first time in the state’s history, Governor Jerry Brown has ordered a mandatory 25 percent statewide reduction in urban water use. Farmers and rural residents have already seen…

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