Cities, where the urban heat island effect amplifies the impact of global climate change, are going to heat up in the coming decades. If greenhouse gas emissions continue on their current path, the average number of days that feel hotter than 100 degrees in the U.S. will more than double by 2050, according to a recent study.
Many cities around the world are taking action to keep cooler as temperatures rise. Some of the most common strategies are cool streets, cool roofs, and a broader urban tree canopy.
For example, Melbourne is mapping street trees and embarking on massive tree-planting efforts. The Australian city plans to double its canopy cover by 2040.
New York City has coated more than 10 million sf of rooftops with a white, reflective coating over the last decade. In Dallas, an initiative mapped areas that were hottest because of a lack of trees, and then planted trees in these areas along key pedestrian routes such as the paths that children take to school.
Tokyo has coated miles of streets with reflective pavements. Other cities have tested pavement that allows grass to grow through it.
Related Stories
Codes and Standards | Jun 19, 2017
Green building advocates erect icehouses on Penn. state capitol steps to make point on codes
State’s codes have not been updated since 2009.
Codes and Standards | Jun 15, 2017
Cornell Tech unveils plans to reach Net Zero at The Bloomberg Center
Campus plans include photovoltaic arrays and geothermal ground source heat pumps.
Codes and Standards | Jun 13, 2017
Canada Green Building Council and Green Business Certification Inc. announce partnership
New joint venture will deliver enhanced services and support tools and programs throughout Canada.
Codes and Standards | Jun 8, 2017
Nail-Laminated Timber Design and Construction Guide released
New document focuses on design and construction considerations for horizontal NLT applications.
Codes and Standards | Jun 8, 2017
Car sharing popularity means parking zoning and codes may be promoting overbuilding of garages
Some designers look to modular designs in anticipation of alternate uses.
Codes and Standards | Jun 7, 2017
IAPMO advances toward new 2017 Water Efficiency and Sanitation Standard
Revised pipe-sizing method for residential applications will be included.
Codes and Standards | Jun 7, 2017
New Colorado law could stimulate stalled condo market
Construction defect law modifications could ease litigation risk and cut insurance rates.
Codes and Standards | Jun 6, 2017
New York City will require construction superintendents on buildings higher than three stories
New laws focus on construction safety.
Codes and Standards | May 30, 2017
Industry Groups move toward Unified Green Building Model Code in 2018
The effort involves combining ASHRAE's Standard 189.1 with the International Green Construction Code.
Codes and Standards | May 30, 2017
OSHA suspends electronic injury, illness reporting requirement
The agency is keeping records from being publicly disclosed—for now.