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… challenges for policy- makers. Transport, housing, energy and The world population is steadily increasing, … combustion Biogas / methanisation: 95 to 178 $ per MWh 2 Wind (offshore) Hydropower Wind (on land) 0 200 400 600 800 1 000 Source: Energy …

… these batteries are in motorized vehicles, for storage of energy generated by photovoltaic cells and wind turbines, and for back-up power supplies (for both the … a residue of fine lead dust that may then be dispersed by wind (UNEP, 2003). When lead components are moved around the …