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Acidity

Watercolors Can Be a Fragile Medium for Artists and Collectors

Daniel Grant | Posted 01.14.2013 | Arts
Daniel Grant

Watercolors just don't have long life spans in comparisons with oil paintings or sculpture. The colors fade, the paper rots or gets eaten by insects.

U.S. Acid Rain Regulations: Did They Work?

Bill Chameides | Posted 07.10.2012 | Green
Bill Chameides

U.S. acid rain regulations have worked. What's more, they didn't seem to get in the way of the country's longest economic expansion.