Looking down from a helicopter parts of Dubai look just as green as pastures in Scotland. Golf courses connect the various housing projects wrapped with artificial lakes and landscaped gardens, the Greens, the Meadows, The Lakes, The Jumeirah Islands.
With an estimated 350 liters, or a little over 92 gallons, per person per day the United Arab Emirates’ water consumption is among the highest in the world. The water used to irrigate the agricultural fields and keep the meticulously maintained golf courses and public gardens green would at least double this amount.
“A lot of these disposal facilities don’t want to use the most modern technology because it costs more”
One of the most bitter battles in California is over sludge, the batter-like material left over after treatment plants finish cleaning and draining what is flushed down the toilet or washed down the sink.
Sludge used to get dumped in the ocean — but that was banned in the 1980s because of concerns about pollution.
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.