Changes in agricultural practices could help slow global warming

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More than 100 center-pivot sprinklers controlled by a central computer irrigate wheat alfalfa potatoes and melons along the Columbia River near Hermiston Oregon. Doug WilsonARS
More than 100 center-pivot sprinklers controlled by a central computer irrigate wheat, alfalfa, potatoes, and melons along the Columbia River near Hermiston, Oregon. Doug Wilson/ARS

Farmers who plant more crops, increase irrigation coverage and till the land less can have a profound effect on climate. Climate scientists from Lawrence Livermore National Laboratory found that models that included recent changes in agricultural practices, such as more irrigation, higher yielding crops, and less tillage, predicted lower temperatures than models that ignored these factors.


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