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… to some studies. For several countries, especially where natural resources are scarce, this mar- ket represents a … recovered from such fermentation pro- cesses; greenhouse gas emissions linked to incineration or normal degradation … treatment systems; while the lower range of costs is for natural attenuation landfills where site conditions do not …

… derived from petrochemicals, such as petroleum and natural gas. Lately, innovative developments in plastics manufacture … wastes Which plastics float and which sink in seawater Natural processes affecting the distribution and fate of …