|
|
The following figures show the effects of burning coal waste on vegetation. The figures came from the Society of Mining Engineers (in essence, the coal industry itself) Pollutant Effect Nitrogen Oxides > 25 ppm may cause acute necrotic leaf injury Sulfur Dioxide Exposure to low amounts for extended periods blocks chlorophyll production Ethlyene Gas 1 ppm inhibits growth, changes leaf color, kills flowering plants Particulates May plug stomata, preventing gas exchange in leaves |