Putting this material on roofs can help clean up smoggy air


Air quality is a growing problem for much of the world, but has been especially noticeable as of late thanks to the large wildfires that have overtaken much of California. While many are focused on reducing emissions in order to impact the air quality, the 3M Company has identified another short term solution in the form of turning smog into water through the use of roofing granules.

Related Stories