Litter is waste isposed in the wrong place by unlawful human action and can vary in size of incident, occurrence or items. It can occur as small items like wrappers, large collections of waste or scatterings of litter dispersed around public places outdoors. Litter can be occasioned by malicious, careless or accidental intent and is generally disposed of illegally rather than lawfully. Litter has the potential to cause harm to human health, safety and welfare, it harms wildlife and causes environmental impact. Waste abandoned in a private space is not considered litter. The American Public Works Association standardized the term litter in the mid-20th Century, to be later known as a form of solid waste—“…material which, if thrown or deposited, tends to create a danger to public health, safety and welfare.” Litter is categorized into three specific components: hazardous, reusable-recyclable and non-hazardous, non-from trash-hauling vehicles, unsecured loads, or construction sites.