Beekeepers across the country are sounding the alarm as honey bee populations are dwindling at an unprecedented rate, a trend that could affect Americans' wallets at the grocery store. Honey bees are the backbone of the food ecosystem, pollinating 75% of the world's natural supplies, according to the National Park Service. But a recent nationwide survey by Project Apis m., a nonprofit that supports beekeeping science, found “catastrophic” honey bee declines across the industry.