| San Francisco to generate poop power ! San Francisco city officials have directed their contracted trash-handling company to devise a system of turning pet droppings into methane gas that could be used as fuel for home heating, electricity generation or other needs. The directive was issued after a study revealed that 3.8 per cent of the residential garbage collected in San Francisco consisted of "dog poop, cat poop" or other animal waste. The city leaders have a self-imposed deadline of diverting all waste from landfills by the year 2020. That goal has been neared or reached in Sweden, Switzerland and Germany. The technology is available to compost, recycle or otherwise use 85 per cent of trash and also to implement laws to compel manufacturers to take back the rest. The last trash study conducted in San Francisco resulted in the creation of a programme in 1996 to collect food scraps from restaurants and compost them for use in vineyards and farms. The city now collects 300 tonnes of food scraps daily and used as compost in many farms. Interestingly, there are certain pet foods specially designed for indoor dogs that helps in excreting less quantity ! San Francisco 2006 |
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