California has passed a new law that standardizes the labeling of "use by" dates on food products. This measure is intended to reduce consumer confusion over food freshness and expiration, which in turn is expected to significantly decrease food waste. NPR's Ayesha Rascoe discussed the law with Nick Lapis of Californians Against Waste, highlighting how clearer date labels can help consumers make better decisions about food safety and reduce the tons of food discarded prematurely.

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