New Pavement Could Alleviate Urban Heat Island Effect

heat_island.jpgThe urban heat island effect is a costly bi-product of having a lot of land paved and built on. It can raise the air temperature in cities enough to send air conditioning bills through the roof, in addition to making things just plain un confortable. Green roofs, and lighter colored pavement help alleviate the problem, and a new innovation from Japan might help further – it’s pavement that actually soaks up water, which then is released slowly into the air, reducing the pavement temperature.
This particular example actually uses the groundwater – so i’m not sure it’s such a great idea, but I would imaging you could do something similar with stormwater or rain.

Nick Aster is a new media architect and the founder of has grown to become one of the web's leading sources of news and ideas on how business can be used to make the world a better place.

Prior to TriplePundit Nick worked for Mother Jones magazine, successfully re-launching the magazine's online presence. He worked for, managing the technical side of the publication for 3 years and has also been an active consultant for individuals and companies entering the world of micro-publishing. He earned his stripes working for Gawker Media and Moreover Technologies in the early days of blogging.

Nick holds an MBA in sustainable management from the Presidio School of Management and graduated with a BA in History from Washington University in St. Louis.

2 responses

  1. Thanks for the info! I agree that using groundwater here in the US may not be a great idea, as we don’t have as much as Japan does. But even just absorbing rain and snow and cooling the surface is a plus in itself. Other benefits would be longer tire life and maybe longevity of the roads (in that they could be less susceptible to cracking and potholes). I hope it catches on!!

  2. It makes sense, however certain asphalt can actually expand and contract too much due to evaporation and cooling. Therefore, would this not create more potholes?

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