A breath of fresh air

Written by: Eureka! | Published:

Air pollution is just one example of the way that the accelerating wave of urbanisation is causing complex challenges that require an urgent response.

It’s a growing problem across the developing world and in burgeoning cities in developed nations. The World Health Organization (WHO) warns pollution is causing millions of premature deaths, urging action including more green spaces in cities.

According to who findings, 90% of all city dwellers breathe in polluted air every day, with 7 million deaths a year attributed to it.

But, with fewer and fewer large open areas in established and growing cities perhaps a more technological approach is needed.

The challenge

Therefore, the challenge this month is to design a way to reduce harmful pollutants in busy urban areas without knocking down or making major changes to the existing buildings and infrastructure.

Perhaps your solution will be high-tech, perhaps natural, maybe even a bit of both?

The idea we have in mind will be revealed in the August issue of Eureka! Until then see what you can come up with. Submit your ideas by leaving a comment on the Coffee Time Challenge section of the Eureka! website or by emailing the editor: paul.fanning@markallengroup.com


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Coffee Time Challenge is just a bit of fun, but it is based on a real engineering solution. If you send in your ideas by using the comment button below, we can add your solution as an alternative – perhaps something funny, practical, cheap or, of course, innovative.

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