The San Joaquin Valley is the agricultural powerhouse of the United States and California. California accounts for an eighth of U.S. farm sales, largely because it produces high value fruit and nut, vegetable and melon, and horticultural specialty (FVH) crops such as nursery products and flowers. Over three-fourths of the state's $37 billion in farm sales in 2010 were crop commodities, and almost 90 percent of the $28 billion in California crop sales represented labor-intensive FVH commodities.

About half of California's farm sales and farm employment are produced in the eight-county San Joaquin Valley with four million residents that stretches from Stockton in the north to Bakersfield in the south. The leading U.S. farm county is Fresno, which had farm sales of almost $6 billion in 2010.

California Air Pollution Update

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The San Joaquin Valley Air Pollution Control District, the state's largest, wants to delay implementation of the tighter standards on particulates required by the federal Clean Air Act. The District, which covers eight counties with four million residents from San Joaquin to Kern, is a natural bowl with mountains on three sides that has been unable to improve regional air quality.

Fresno County had 25 unhealthy air warnings in 2016. One consequence is asthma, as especially children have trouble breathing. Many children carry inhalers to school and elsewhere.

California is responsible for one percent of global emissions of greenhouse gases. Governor Jerry Brown in July 2017 persuaded the Legislature to support the extension of the state's 2012 cap-and-trade program to reduce greenhouse gas emissions from 431 million metric tons in 2020 to 260 million metric tons in 2030 (AB 398). California emitted 440 million metric tons of greenhouse gases in 2015 and Brown warned of "mass migrations, vector diseases, forest fires, Southern California burning up" if the state failed to reduce them.

The extension of cap-and-trade could raise gas prices up to $0.75 a gallon and provide funds for the bullet train that aims to link northern and southern California. The California's Air Resources Board, which will implement AB 398, projects an increase in the number of electric cars from 250,000 in 2017 to 4.2 million in 2030. CARB is targeting manure on dairies to reduce methane emissions.

Much of the opposition to the cap-and-trade extension came from environmentalists, who believe that Brown was too accommodative to oil refineries. Under the companion bill AB 617, local air quality management districts cannot further restrict carbon emissions of stationary sources like oil refineries.

Across the U.S., emissions of carbon dioxide fell 14 percent between 2005 and 2017 as cleaner and cheaper natural gas prompted the closure of coal-burning power plants. California's emissions are approaching 1990 levels because the state never had many coal-fired power plants and has more solar panels installed than the rest of the U.S. combined.

This post was published in the most recent Rural Migration News from October 2017.

Rural Migration News summarizes the most important migration-related issues affecting agriculture and rural America. Topics are grouped by category: Rural America, Farm Workers, Immigration, Other and Resources.

 

There are two editions of Rural Migration News. The paper edition has about 10,000 words and the email version about 20,000 words.

 

Distribution is by email. If you wish to subscribe, send your email address to ruralmigrationnews-subscribe [at} primal.ucdavis.edu. Current and back issues may be accessed at http://migration.ucdavis.edu.

 

The paper edition is available by mail for $30 domestic and $50 foreign for one year and $55 and $95 for a two-year subscription. Make checks payable to Migration Dialogue and send to: Philip Martin, Department of Ag and Resource Economics, University of California, Davis, California 95616 USA.

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Philip Martin is Professor of Agricultural and Resource Economics at the University of California- Davis, chair of the University of California's Comparative Immigration and Integration Program, and editor of the monthly Migration News and the quarterly Rural Migration News.

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