Ozone

Science / Biology / Ozone: A triatomic (O3) form of oxygen that is formed in the stratosphere when sunlight strikes oxygen atoms. This atmospheric ozone helps filter radiation from the sun.

Montreal Protocol On Ozone Depleting Substances

Business / Agriculture / Montreal Protocol On Ozone Depleting Substances: An international agreement, to which the U.S. is a signatory, for controlling emissions of chemicals that deplete stratospheric ozone (including methyl bromide). The Clean Air Act Amendments of 1990 c MORE

Ozone (O3)

Business / Agriculture / Ozone (O3): A highly reactive molecule composed of three oxygen atoms. Environmentally, ozone is important in two completely separate contexts—one, as a naturally occurring screen of harmful radiation in the ou MORE

Ozone Layer

Science / Weather / Ozone Layer: An atmospheric layer that contains a high proportion of oxygen that exists as ozone. It acts as a filtering mechanism against incoming ultraviolet radiation. It is located between the troposphere and MORE

Stratosphere

Science / Weather / Stratosphere: The layer of the atmosphere located between the troposphere and the mesosphere, characterized by a slight temperature increase and absence of clouds. It extends between 11 and 31 miles (17 to 50 kilom MORE

Ultraviolet

Science / Weather / Ultraviolet: Electromagnetic radiation that has a wavelength shorter than visible light and longer than x-rays. Although it accounts for only 4 to 5 percent of the total energy of insolation, it is responsible for MORE

Ives (Noir)

Life Style / Wine Grapes / Ives (Noir): Early 19th century American labrusca grape discovery used to produce red wines strongly 'foxy' in flavor. Highly vulnerable to Ozone gas pollution which causes diminished vigor and productivity. Shoul MORE

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