One study found that acid rain in China may have even contributed to a deadly 2009 landslide. China is implementing controls for sulfur dioxide emissions, which have fallen 75 percent since 2007 ...

The only downside is that the technique requires releasing insane amounts of sulfur dioxide ... the sulfuric acid droplets become too large to stay in the atmosphere. Thus they rain down on ...

The main pollutants that form acid rain in the atmosphere are sulfur dioxide and nitrogen oxides. These gases can also form fine sulfate and nitrate particles that are damaging if inhaled, and have ...