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Acid Rain
Acid rain is a widespread term used to describe all forms of acid precipitation (rain, snow, hail, fog, etc.). Atmospheric pollutants, particularly oxides of sulphur and nitrogen, can cause precipitation to become more acidic when converted to... More »

en.wikipedia.org/wiki/Acid_rain

Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions (low pH). It can have  ...

www.epa.gov/acidrain/what-acid-rain

Mar 1, 2017 ... Acid rain, or acid deposition, is a broad term that includes any form of precipitation with acidic components, such as sulfuric or nitric acid that fall ...

www3.epa.gov/acidrain/education/site_students/whatisacid.html

Acid rain is rain that has been made acidic by certain pollutants in the air. Acid rain is a type of acid deposition, which can appear in many forms. Wet deposition  ...

www.epa.gov/acidrain

Mar 7, 2017 ... Acid Rain Basics. A pond with trees · What is Acid Rain? Effects of Acid Rain. What EPA Is Doing. The EPA flag flying in front of the Ariel Rios ...

projects.ncsu.edu/project/bio183de/Black/chemreview/chemreview_reading/acid_rain.html

Acid rain can be carried great distances in the atmosphere, not just between countries but also from continent to continent. The acid can also take the form of ...

www.nationalgeographic.com/environment/global-warming/acid-rain

A virtual tree-graveyard of Norway spruce trees in Poland bears the scars of acid rain. Caused when rain droplets absorb air pollution like sulfur and nitrogen ...

www.dictionary.com/browse/acid-rain

Acid rain definition, precipitation, as rain, snow, or sleet, containing relatively high concentrations of acid-forming chemicals, as the pollutants from coal smoke, ...

pubs.usgs.gov/gip/acidrain/2.html

Jul 21, 1997 ... Liquids with a pH less than 7 are acid, and those with a pH greater than 7 are alkaline (or basic). "Clean" or unpolluted rain has a slightly acidic ...

www2.gsu.edu/~mstnrhx/EnviroBio%20Projects/AcidRain/causes.html

Scientists have discovered that air pollution from burning of fossil fuels is the major cause of acid rain. The main chemicals in air pollution that create acid rain  ...