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  2. Acid rain - Wikipedia

    en.wikipedia.org/wiki/Acid_rain

    Acid rain can have harmful effects on plants, aquatic animals, and infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids. Acid rain has been shown to have adverse impacts on forests, freshwaters, soils, microbes, insects and aquatic life ...

  3. Freshwater acidification - Wikipedia

    en.wikipedia.org/wiki/Freshwater_acidification

    Regulation of anthropogenic emissions, specifically SO x and NO x, can lead to large decreases of acid rain and acidic bodies of water. [24] For example, the Canada-United States Air Quality Agreement has greatly minimized acid rain and ozone levels by 78% in Canada and 92% in the United States, as of 2020. [25]

  4. Acid Rain Program - Wikipedia

    en.wikipedia.org/wiki/Acid_Rain_Program

    The Acid Rain Retirement Fund (A.R.R.F) is an all-volunteer, non-profit environmental educational organization, incorporated in Maine, dedicated to reducing pollution by purchasing and "retiring" marketable sulfur dioxide emissions allowances issued by the U.S. Environmental Protection Agency’s Acid Rain Program. A.R.R.F. was created in 1995 ...

  5. NOx - Wikipedia

    en.wikipedia.org/wiki/NOx

    In atmospheric chemistry, NO x is shorthand for nitric oxide (NO) and nitrogen dioxide (NO 2), the nitrogen oxides that are most relevant for air pollution. [1] [2] These gases contribute to the formation of smog and acid rain, as well as affecting tropospheric ozone.

  6. Air pollution - Wikipedia

    en.wikipedia.org/wiki/Air_pollution

    Schematic drawing, causes and effects of air pollution: (1) greenhouse effect, (2) particulate contamination, (3) increased UV radiation, (4) acid rain, (5) increased ground-level ozone concentration, (6) increased levels of nitrogen oxides. An air pollutant is a material in the air that can have many effects on humans and the ecosystem. [61]

  7. Sulfur dioxide - Wikipedia

    en.wikipedia.org/wiki/Sulfur_dioxide

    Acid rain-damaged forest in Europe's Black Triangle Such an increase in sulfate aerosol emissions had a variety of effects. At the time, the most visible one was acid rain , caused by precipitation from clouds carrying high concentrations of sulfate aerosols in the troposphere . [ 54 ]

  8. Clean Air Act (United States) - Wikipedia

    en.wikipedia.org/wiki/Clean_Air_Act_(United_States)

    The Acid Rain Program (ARP) is an emissions trading program for power plants to control the pollutants that cause acid rain. [13] The 1990 CAA Amendments created a new title to address the issue of acid rain, and particularly nitrogen oxides (NO x ) and sulfur dioxide (SO 2 ) emissions from electric power plants powered by fossil fuels, and ...

  9. Pollution in Canada - Wikipedia

    en.wikipedia.org/wiki/Pollution_in_Canada

    Two major causes of acid rain are sulphur dioxide and nitrogen oxide. [7] Acid rain can cause damage to soil, water, wildlife, plants and buildings. Additionally, the airborne particles that cause acid rain can also contribute to smog. [7] In recent years progress has been made in reducing acid rain, however, Alberta's oil sands may soon set ...