The U.S. Environmental Protection Agency (EPA) recently created a new webpage to share information about common sources of indoor particulate matter (PM). The agency reports that it is particularly concerned about tiny particles that are 10 micrometers in diameter or smaller as they can be inhaled deep into the lungs, causing potentially serious health issues., , , , PM found indoors includes particles that come from outdoor air and particles that are generated indoors. In residential environ.
Recent research indicates that ghost forests produce an abundance of methane. While the methane is initially produced in the soil, the trees act like vents that allow the methane to rise and escape into the atmosphere.