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  2. Conservation and restoration of outdoor bronze objects

    en.wikipedia.org/wiki/Conservation_and...

    According to Kipper, acid rain can be particularly harmful to bronze sculptures, because the main component is usually sulfides, or sulfuric acid, which can harm patinas and the bronze surfaces causing streaking to occur on the surface. [1] Many different effects can occur on a sculpture due to being in an outdoor environment.

  3. Acid rain - Wikipedia

    en.wikipedia.org/wiki/Acid_rain

    Acid rain is rain or any other form of precipitation that is unusually acidic, meaning that it has elevated levels of hydrogen ions (low pH).Most water, including drinking water, has a neutral pH that exists between 6.5 and 8.5, but acid rain has a pH level lower than this and ranges from 4–5 on average.

  4. Acid (2023 film) - Wikipedia

    en.wikipedia.org/wiki/Acid_(2023_French_film)

    The film was selected to be screened out of competition in the Midnights Screenings section at the 76th Cannes Film Festival, [22] where it had its world premiere on 21 May 2023. [23] The film was theatrically released in France on 20 September 2023 by Pathé. [24] In the Philippines, the film was released by Pioneer Films as Acid Rain on 17 ...

  5. 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 ...

  6. Freshwater acidification - Wikipedia

    en.wikipedia.org/wiki/Freshwater_acidification

    Diagram depicting the sources and cycles of acid rain precipitation. Freshwater acidification occurs when acidic inputs enter a body of fresh water through the weathering of rocks, invasion of acidifying gas (e.g. carbon dioxide), or by the reduction of acid anions, like sulfate and nitrate within a lake, pond, or reservoir. [1]

  7. Robert Angus Smith - Wikipedia

    en.wikipedia.org/wiki/Robert_Angus_Smith

    Robert Angus Smith FRS (15 February 1817 – 12 May 1884), commonly referred to as Angus Smith, [1] was a Scottish chemist, who investigated numerous environmental issues.He is known for his research on air pollution in 1852, in the course of which he discovered what came to be known as acid rain.

  8. Environmental art - Wikipedia

    en.wikipedia.org/wiki/Environmental_art

    Robert Morris, Observatorium, Netherlands. The growth of environmental art as a "movement" began in the late 1960s and early 1970s. In its early phases it was most associated with sculpture—especially Site-specific art, Land art and Arte povera—having arisen out of mounting criticism of traditional sculptural forms and practices that were increasingly seen as outmoded and potentially out ...

  9. Silicate mineral paint - Wikipedia

    en.wikipedia.org/wiki/Silicate_mineral_paint

    The art-minded monarch was so impressed by the colorful lime frescoes in northern Italy that he desired to experience such artwork in his own kingdom Bavaria. But the weather north of the alps - known to be significantly more harsh - destroyed the artful paintings within short time.