Archive for November, 2011
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What is a Green Roof and What are the Benefits? [ John Cornacchia ]
John Cornacchia at Globacorp Developments International writes: A green roof system is an extension of the existing roof which involves a high quality water proofing and root repellant system, a drainage system, filter cloth, a lightweight growing medium, and grasses / plants. Green roof systems may be modular, with drainage layers, filter cloth, growing medium, and plants already prepared in movable interlocking grids, or each component of the system may be installed separately on site. Green roof development involves the creation of “contained” green space on top of a man-made structure. This green […]
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Our Need and Obligation to Reduce Impervious Cover [ John Cornacchia ]
John Cornacchia at Globacorp Developments International writes: Aquifer Diagram Impervious cover, also known as impervious surface, refers to any surface that water cannot easily penetrate. Ranging from roads, parking lots, driveways, patios, walkways, curbing, building rooftops, public buildings, and commercial structures, impervious cover prevents moisture, rain, and snow from soaking into the earth’s surface, thereby generating harmful stormwater runoff. Stormwater runoff carries organic matter, fertilizers, pesticides, grease, oil, and other contaminants into our ponds and streams, and more importantly, our precious aquifers. In addition to changing the quality of the water running into our water bodies, impervious […]