How We Reduced Acid Rain A handful of policies were created in response to acid rain research. The U.S. Clean Air Act of 1990 focused on reducing emissions overall.

Normal rain falls at 5.6 on the pH scale. Acid rain, however, usually falls between 4.2 and 4.4. Any type of precipitation that has more acid in than usual is typically classified as acid rain.

While acid rain caused by sulfur dioxide is an environmental threat of the past (at least, for now), a new kind of acid is proliferating in rain water—as well as groundwater, ice cores, and even ...

NEWS FEATURE 23 July 2025 There’s a new acid in our rain — should we be worried? Scientists and regulators are divided over the threat posed by rising levels of a chemical called TFA.

We are now within Tornado Alley.” “The higher number of overall tornadoes (across the U.S.) might be a bit of an aberration, but certainly, the repeated tornadoes here in Indiana are probably ...

The May 16 tornado ripped through her family’s home, the one her parents passed down to her in 1971. "A lot of people don't have what we have, but there's a foundation here that my dad built.

A tornado watch was issued to run until 6 p.m. July 16 by the National Weather Service Green Bay, in which they say "a couple of tornadoes are possible." Isolated hail up to a quarter size is also ...