A report from the Mayors Climate Summit

Fredrik Gyllenhoff — Thu, 17 Dec 2009 12:51:47 +0000

Mayors representing more than 80 cities around the world have been at the Mayors Climate Summit the last few days. Representing more than half the world’s population, these leaders have more than just a periphery responsibility.

Chicago: Green roofs cut energy bills

June-Catherina Starling — Fri, 09 Jan 2009 13:46:34 +0000

Chicago, like many other American cities, is battling the urban heat island effect, which is common in cities where many building surfaces are dark-coloured. A heat island is an urban area, significantly hotter than its surroundings. The urban heat island effect causes overheating of cities during the summer, leading to pollution and increased energy consumption from cooling and air conditioning. The condition occurs due to the use of concrete and asphalt in the city. Green roofs are one way of beating the problem.

cooling and heating

A report from the Mayors Climate Summit

Chicago: Green roofs cut energy bills