Cigarette butts are among the most abundant types of human-produced garbage in the world's oceans. Most of the roughly 5.5 trillion cigarettes manufactured globally every year contain a plastic-based filter. Those filters can take decades to decompose after the cigarette butt has been discarded. The conversation around the waste that accumulates in the ocean has gained new momentum as major companies and metropolitan areas seek new ways to address non-biodegradable garbage. Cigarette butts are among the most abundant types of human-produced garbage in the world's oceans.