His words sparked off an anti-food waste campaign in state media.
Many councils have moved away from weekly collections in recent years, arguing that alternate weekly collections for household-and-food waste and recyclable items are more efficient and popular with residents.
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Their teacher, Alice Lee, hopes the experience will encourage the students to think twice about the food they waste - many of them throw away their school lunches and eat instant noodles from the tuck shop instead, she says.
Authorities have asked the public to set off fewer fireworks in Beijing to reduce pollution, a new anti-extravagance drive has prompted government officials and state-owned companies to cancel their banquets at high-end hotels and a campaign against food waste is leading to half-portions in restaurants.
The upshot is more food in the waste-bin, as well as more in the stomach.
He said fortnightly collections are "hygienic and popular", provided they are "accompanied by decent recycling and weekly food waste pick-ups too".
It also hands out two food waste caddies - one for putting food scraps in for the kitchen and another for kerbside collection.
Since the mid-nineteen-seventies, per-capita food waste in the United States has increased by half, so that we now throw away forty per cent of all the edible food we produce.
The answer that B9 is proposing is a coastal cargo ship that combines massive carbon-fibre DynaRig sails - such as those used on the superyacht, the Maltese Falcon - with an engine that runs on bio-gas made from food waste using a process called anaerobic digestion.
People in rich regions, such as in Europe and North America, consume roughly 900kg of food every year, and per-capita waste is around 115kg a year.
He admits that it is not simple to pull the sugars out of non-food material like pulp or wood waste, but says that even factoring in the extraction process, the final cost should be lower than using corn starch or sugar cane, both of which are much higher-priced commodities.
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If people, especially children, cooked more - so they were more connected to their food and how it works - they would also care more about food, and be better equipped to waste less, he says.
"Helping consumers understand that food past its best-before date can still be eaten or cooked could contribute to reducing food waste and saving people money, " he said.
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Manufacturers should aim to cut the amount of food and other waste they produce by 15-20% by 2010, it said.
The council said the cost of energy and food, rising waste management costs, a lower-than-inflation settlement from the assembly government and other "budgetary pressures" left it with no choice.
Currently food waste and leftovers from its Simpson's-in-the Strand restaurant are recycled by the PDM Group.
Leading retailers including Asda, Morrisons, Sainsbury, Tesco and Waitrose are supporting a government-backed initiative aimed at tackling packaging and food waste.
The biogas will be produced from 41, 000 tonnes of maize, grass silage and food waste from local farms and businesses, including Poundbury-based Dorset Cereals and the House of Dorchester Chocolate Factory.
But the BRC questioned the report's link between promotions and food waste, highlighting a UK government survey that showed buy-one-get-one-free offers were becoming rarer.
Certainly travellers can finish up meals, avoid buffets, enquire about food waste when they check into hotels and choose properties, cruise-lines and tour operators that have programmes in place to reduce or recycle wastage.
Well corn-derived ethanol has been derided for years as being a waste of food.
Waitrose, the U.K.-based supermarket chain, in October achieved its goal of sending zero food waste to landfills.
Lesley Robertson, an Environment Agency environmental crime team leader, said the discovery of about 3, 000 bales of rubbish, including food waste, plastic and cans, was thought to be linked to a highly-organised scam.
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