The megacity of Kinshasa, with a population fast approaching 10 million, has no waterborne sewage system at all. Across the continent in Nairobi, the Laini Saba slum in Kibera in 1998 had exactly ten working pit latrines for 40,000 people, while in Mathare 4A there were two public toilets for 28,000 people.
Sanitation in South and Southeast Asia is only marginally better than in sub-Saharan Africa. Dhaka, a decade ago, had piped water connections serving a mere 67,000 houses and a sewage disposal system with only 8500 connections. Likewise, less than 10 percent of homes in metro Manila are connected to the sewer systems. Jakarta, despite its glitzy skyscrapers, still depends on open ditches for disposal of most of its wastewater. In contemporary India - where an estimated 700 million people are forced to defecate in the open - only 17 of 3700 cities and large towns have any kind of primary sewage treatment before final disposal. A study of 22 slums in India found 9 with no latrine facilities at all; in another 10, there were just 19 latrines for 102,000 people.
Converting to a WWS energy infrastructure will reduce 2030
world power demand by 30%, primarily due to the efﬁciency of
electricity compared with internal combustion. The amount of
wind power plus solar power available in likely developable
locations over land outside of Antarctica worldwide to power
the world for all purposes exceeds projected world power demand
by more than an order of magnitude.
Mark Z. Jacobson & Mark A. Delucchi, "Providing all global energy with wind, water, and solar power, Part I: Technologies, energy resources, quantities and areas of infrastructure, and materials," Energy Policy 39
In good news today, Jacobson & Delucchi estimate that we can switch over to an entirely renewable energy economy in 20-40 years, with existing technology, at costs comparable to current energy costs.
For my 23rd birthday (today), I want to abolish the car.
Let’s do the math here. The Burj Khalifa has 163 habitable floors. It’s designed to hold 35,000 people at any given time. Now, humans produce 100 to 250 grams (3 to 8 ounces) of feces per day. Let’s say 200 in this case, since these people are well fed. That’s 7,000,000 grams per day. Seven tonnes of poop per day. Now, add human-produced liquids (pee, bathing, cleaning their teeth…) and the water to push the poop down its miles of sewage pipes. I think a very conservative total would be 15 tonnes of sewage per day.
That’s a lot of poop.
And all of it has to be removed by trucks. The trucks take all this poop to a sewage treatement facility outside of the city. It’s the same with most skyscrapers in Dubai, according to Kate Ascher, author of The Heights. Talking to Fresh Air’s Terry Gross, Kate said that these trucks are in a permanent line waiting to get into the sewage treatment plant, waiting up to 24 hours before they can unload their crap.
Such wealth and efficiency being brought to the country by its oil money.