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
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
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
Business / Agriculture / Methyl Bromide: A fumigant used for soil treatment, to control pests in postharvest storage, for killing pests on fruits, vegetables, and grain going into export trade, for plant quarantine treatment, and for fumigat MORE
Business / Agriculture / Clean Air Act: The primary federal law governing efforts to control air pollution. Federal legislation addressing air pollution was first adopted in 1955 (Air Pollution Control Act, P.L. 84-159) to provide research MORE