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… challenges for policy- makers. Transport, housing, energy and The world population is steadily increasing, … to look for production methods which save resources, energy and time. Although generally consid- ered positive, … the two streams is a major concern, with ma- terial from conventional recycling and contaminated scrap. Official …

… risks of used motor oil, particularly used oil burned for energy where lead emissions are often of concern. 1 Why oils … of used oils in this context are: contaminant content, energy value and hydrocarbon properties. 7. Used oil, as … final disposal options. The direct burning of used oils in conventional combustion devices can create serious pollution …

… manufacturers. The recycling of plastics keeps all this energy input in the polymer chains, which are basically re- … of WEEE. Large amounts of CO2 emissions are prevented and energy savings are the result of plastic recycling. …

… these batteries are in motorized vehicles, for storage of energy generated by photovoltaic cells and wind turbines, and … (UNEP, 2004). The growth in the use of renewable energy sources and the concomitant need for storage … G, Jackson-Hunt L, Baker EL (1991). Lead exposure from conventional and cottage lead smelting in Jamaica. Archives …

… in a mobile phone can be recycled or recovered as energy. The remainder can be used in inert construction …