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Land pollution: causes The waste materials that cause land pollution are broadly classified as municipal solist weater (MSW, also called municipal refuse),construction and demolition (C&D) waste or debris, and hazardous waste. MSW includes nonhazardous garbage, rubbish, and trash from homes, institutions (e.g., schools), commercial establishments, and industrial facilities. Garbage contains moist and decomposable (biodegradable) food wastes (e.g.,meat and vegetables craps); rubbish comprises mostly dry materials such as papper,glass, textiles, and plastic objects; and trash includes bulky waste materials and objects that are not collected routinely for disposal (e.g., discarded mattresses, appliances, pieces of furniture). Julen