This article originally appeared on The Conversation. Reports are emerging of black rain falling over parts of Iran in the hours after U.S.-Israeli airstrikes on oil depots on the weekend, with some ...

Iranian residents have reported headaches, difficulty breathing, and oil-contaminated rain settling on buildings and cars after the bombing of oil depots ...

In the 1970s, acid rain was one of the most serious environmental threats in North America and Europe. The air was so laden with pollution from coal power plants and cars at the time that it turned ...

Iran's environmental agency warned people in Tehran to stay indoors. Red Crescent said toxic chemicals in the drizzle could lead hurt skin and lungs.