| http://www.w3.org/ns/prov#value | - The chemicals in cigarettes, including nicotine, are known to be toxic to some marine species. 2003's International Coastal Clean Up Day found cigarette litter (including cigarettes and paraphernalia such as lighter and wrappers) to be the single largest source of debris with 1.922 million items counted (29.5% of the total).
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