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A Special Issue of JA&WMA on Agricultural Air Quality: State of the Science

Summary: A Special Issue of JA&WMA on Agricultural Air Quality: State
of the Science
The world's population has grown, from approximately
1.5 billion at the beginning of the 20th century to more
than 6 billion today. This population increase has been
accompanied by the rapid growth of intensive agriculture
with its associated, significant impacts on the environ-
ment. Over the next 50 yr, the Earth's human population
is predicted to increase from the current level to more
than 9 billion, creating a parallel or disproportionate in-
crease in demand for agricultural commodities--both
crop and animal. Without scientific research to inform
policy decisions, there will likely be greater environmen-
tal impacts associated with this future growth.13
Though in transition, U.S. agriculture is still diverse,
ranging from large, highly intensive and specialized com-
mercial holdings to subsistence (i.e., family owned) farm-
ing, using mainly traditional practices. Consequently, im-
pacts on the environment vary in scale and intensity and
may be positive or negative. However, an increasing body


Source: Aneja, Viney P. - Department of Marine, Earth and Atmospheric Sciences, North Carolina State University


Collections: Environmental Sciences and Ecology; Geosciences