denver’s brown cloud



The Science Behind Denver's Brown Cloud

The bad air in Denver is notorious. It's so bad that it has a name - the Brown Cloud. Denver's location at the foot of the Rocky Mountains make it prone to temperature inversions in which warm air traps cooler air near the ground, preventing…

The Science Behind Denver's Brown Cloud

Clean air is an important part of Colorado...fresh, clean mountain air. But by the 1970s Denver had a lot of pollution hanging over the city. Pollution so bad it could be seen from all over just hanging over the downtown area. The dirty cloud…