A large percentage of the almond supply for America comes from the Central Valley of California.
However, farmers in that area have a big problem, because it's been invaded by rats. A newsletter from the Almond Board of California says that a major rat infestation has caused potentially hundreds of millions of dollars in damage over the past year.
In the San Joaquin Valley, more than 100,000 acres have been impacted with a loss of over $300 million dollars. The reason.... more strict state pesticide regulations have hindered effective rodent management by limiting several options.