Created:Jan 5, 2007
Updated:Aug 24, 2007
Viewed:1316 times
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Green Roofs


Green roofs are created when the rooftops of buildings are designed or reengineered to be gardens planted with vegetation. Green roofs improve a building's thermal management by providing insulation in the colder months and by keeping the building cool in warmer months, with vegetation that produces oxygen, absorbs carbon dioxide, filters air pollution, provides wildlife habitat, and slows stormwater runoff by absorbing much of the rain that falls on the roof.

Keywords
water recycling, insulation, habitat, rainwater catchment, increased cooling, shade, stormwater runoff reduction, species, sustainable cities, urban, rural, soil, sod, plant species, water efficiency

"Wildlife is decreasing in the jungles, but it is increasing in the towns" -Mahatma Gandhi

Change in Action


Med_ebn is growing an international association of builders, engineers, architects, academics and developers committed to promoting intelligent building methods and materials for a sustainable future.

Med_urbanalchemy
Urban Alchemy is a grassroots organization working to create more self-sufficient and sustainable urban areas through the creation of backyard and rooftop gardens throughout the city of Portland.


WGRIN is an international organization with a mission of promoting the development of green roof infrastructure research, policy development and implementation in countries throughout the world through international co-operation.

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Tools for Change



Med_greenroof4 Green Roofs: Ecological Design and Construction is a book that reviews the ecological benefits, technical requirements, and design possibilities of vegetated roofs.



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Does anyone know of a cost/benefit analysis spreadsheet for green roofs?  I'm trying to learn the economics --> to see if there is a decent payback period for HVAC savings.

 

Thank you,

Ethan

 

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