In this Healthy Spaces Podcast, Dr. John McKeon discusses the ways in which innovative technologies help make our built spaces healthier .

Beijing’s air quality hovers around the ‘unhealthy’ category for much of the year. The perfect storm of millions of cars, noxious fumes from factories and coal powered industry combines with the city’s geography : Beijing is built on a flat landscape and surrounded by mountains so if there is no wind to blow away the smog, it hangs over the city like a shroud