green roof

Blog post

12 Sep 2018

Global temperatures are rising. This is especially felt in urban areas due to the urban heat island (UHI) effect, where temperatures can be 10 degrees F (5.5 degrees C) higher than the surrounding countryside. This phenomenon is due to several factors that combine to alter...

Guide

14 Aug 2018

This guide provides critical information on how to design, operate and maintain these green wall and façade systems to maximise their water treatment benefits to ultimately increase the sustainability and liveability of cities.

Green infrastructure or technologies, essentially, represent a set of engineered elements...

Commentary

25 Jun 2018

Covering roofs and walls of buildings with vegetation is a good way of reducing greenhouse gas emissions. And these green roofs and walls make cities look nicer. Toronto’s central business district adopted a policy of establishing green roofs on around half of all city buildings...

Report

1 Feb 2018

This report provides an in-depth analysis of the costs and benefits of applying a set of smart surface solutions1 , including cool roofs, green roofs, solar PV, and permeable and reflective pavements and road surfaces across three cities: El Paso, Philadelphia and Washington, D.C. The...

Website

1 Jan 2017

Effective January 1, 2017, San Francisco became the first U.S. city to mandate solar and living roofs on most new construction. With the passage of this legislation, between 15% and 30% of roof space on most new construction projects will incorporate solar, living roofs, or...

Conference paper

22 Nov 2016

In recent years, most studies of green roof system are focused on short period measurement or modelling without considering long-term performance, however, the latter is concerned by many architects and engineers. And this paper is aimed to evaluate green roof's long-term thermal per-formance in Shanghai...

Conference paper

22 Nov 2016

Problem: Roofs receive the most intense solar heat load among all building envelope surfaces in Equatorial-region. Solar heat gain through roof contributes to a significant portion of building heat load. In tropics where building cooling is needed all-year-round, passive methods to reduce heat gain through...

Journal article

20 Jan 2015

This research reports on an experiment on two small-scale metal roofs in Sydney and Rio de Janeiro to assess the thermal performance of portable small-scale modules. The findings are that green roof retrofitting could lower the cooling energy demand considerably.

Guide

1 Oct 2008

Urban areas are usually warmer than their rural surroundings, a phenomenon known as the “heat island effect.” As cities develop, more vegetation is lost and more surfaces are paved or covered with build­ings. The change in ground cover results in less shade and moisture to...

Overview

 

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