September 15, 2015

90% of Americans live near local food

Phys - New farmland-mapping research  shows that up to 90 percent of Americans could be fed entirely by food grown or raised within 100 miles of their homes.

Professor Elliott Campbell, with the University of California, Merced, School of Engineering, discusses the possibilities in a study entitled “The Large Potential of Local Croplands to Meet Food Demand in the United States.” The research results are the cover story of the newest edition of Frontiers in Ecology and the Environment, the flagship journal for the Ecological Society of America, which boasts a membership of 10,000 scientists.

The popularity of “farm to table” has skyrocketed in the past few years as people become more interested in supporting local farmers and getting fresher food from sources they know and trust. Even large chain restaurants are making efforts to source supplies locally, knowing more customers care where their food comes from.

“Farmers markets are popping up in new places, food hubs are ensuring regional distribution, and the 2014 U.S. Farm Bill supports local production—for good reason, too,” Campbell said. “There are profound social and environmental benefits to eating locally.”

Local food potential has declined over time, which Campbell said was an expected finding, given limited land resources and growing populations and suburbanization.

The surprise, though, was how much potential still remains.

Most areas of the country could feed between 80 percent and 100 percent of their populations with food grown or raised within 50 miles. Campbell used data from a farmland-mapping project funded by the National Science Foundation and information about land productivity from the U.S. Department of Agriculture.

...The researchers found surprising potential in major coastal cities. For example, New York City could feed only 5 percent of its population within 50 miles but as much as 30 percent within 100 miles. The greater Los Angeles area could feed as much as 50 percent within 100 miles.

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