Amends GS 14-399, which sets forth littering offenses ranging from a Class 3 misdemeanor to a Class I felony. Exempts from the prohibitions yard waste placed on or near a curb for collection by a yard waste collection service pursuant to an applicable local ordinance. Defines yard waste. Adds yard waste to the definition of litter, making the statute's littering prohibitions applicable to yard waste not covered by the exemption. Applies to offenses committed on or after December 1, 2019.