Richard Cornett of the Western Plant Health Association notes that if California passes legislation this November mandating labeling of all GM foods, food producers throughout the country will suffer from steep costs.

If the labeling initiative becomes law, nearly 80 percent of the food in California’s grocery stores will need to be labeled. Food companies will be required either to develop California-only packaging or simply change their packaging altogether, a process that would be extremely expensive and time-consuming. Read more.