Fortunately, since the deserts are rather inhospitable and lack resources like water, the human footprint on the desert is minimal and therefore the industrial pollution that you see in populated areas is minimal. read more
There are various types of pollution in the Sonoran Desert, such as gas from vehicles, construction-related dust, power plant waste, exhaust from gas-powered lawn mowers, and exhaust from leaf blowers, which all contribute to the "brown cloud," a cloud literally made brown from pollution. read more
There are many kinds of pollution in the desert, including runoff from mining waste, radioactive dumpsites, urban sewage and other pollution from desert cities, leakage from toxic waste dumps, particulate matter in the air, and so forth. read more