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Ceri Davies, 37, hopes his research will see less rubbish on the streets.
BBC: Footprint art on pavements to tackle litter problem
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The simplest method is to collect the rubbish less often.
ECONOMIST: Less is more
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Somerset Waste Partnership (SWP) said the average home produced less than a tonne of rubbish and recycling a year.
BBC: Landfill site, Dimmer, Castle Cary
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Rubbish may be collected less often, sewage pipes fixed more slowly and staff sent home on certain days.
ECONOMIST: The straits of cities and counties are hurting the recovery
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They point out that biodegradable waste in a landfill releases methane, a potent greenhouse gas, while incinerators which can also generate electricity from combusting rubbish emit mainly less-damaging carbon dioxide.
ECONOMIST: Tough landfill targets prompt a return to flaming rubbish
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Unlike New Orleans, Mumbai was back to normal in less than a week, with power restored and mountains of rubbish cleared away.
ECONOMIST: On Colombia, cities, business schools, Roman numerals, Confucius | The
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In America, for example, landfills containing household rubbish are subject to stringent regulation, whereas ones filled with toxic sludge from power plants are less tightly controlled.
ECONOMIST: The waste industry