Blogs / Discoblog

Taking recycling to a whole new level, the Peepoo bag allows you to, well, pee and poo in a bag, which can then be planted to help your garden grow. For slums in the developing world where human waste is an unregulated nightmare and flying toilets are common practice, the bag provides a means of waterless sewage disposal and organic fertilizer all in one easy, biodegradable step.

The bag is lined with Urea, a common fertilizer that breaks down urine and feces into ammonia and carbonate. Pathogens in the waste, including viruses, bacteria and parasites, are killed within anywhere from a matter of hours to several weeks.

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Bathroom time may not be wasted time after all: A year’s worth of your poop can be turned into 2.1 gallons of useable diesel. And the Norwegian capital of Oslo plans to put all that waste to work powering 80 of its buses with fuel made from the Bekkelaget sewage treatment plant, which houses the waste of 250,000 people.

If all goes as planned, the city’s other waste treatment plant, as well as biofuels made from food waste, will eventually contribute to the total supply—and with serious results: Fueling 400 or so buses this way would reduce 30,000 tons of carbon emissions a year.

While the idea certainly has an “ick factor,” it’s not like gas-station attendants will have to start shoveling sewage directly into a bus’ fuel tank.

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