4 ms·
$1 / week / person means for $50* or $400 Billion per year (or 0.4% of World GDP) we solve the water problem. Of course at that scale we may bring the cost down
by deltree7 4y ago
$1 / week / person means for $50* or $400 Billion per year (or 0.4% of World GDP) we solve the water problem. Of course at that scale we may bring the cost down
- adrianN 4y agoYou assume that one of these devices produces enough water for one person.
- grraaaaahhh 4y ago"Researchers from MIT and China have developed a solar desalination device that could provide a family of four with all the drinking water it needs — and it can be made from just $4 worth of materials" My dude, it's the first words in the article.
- adrianN 4y agoPeople need a lot more water than drinking water. Most water is used for agriculture. Each time I flush my toilet I use enough water to keep me alive a week.
- happyopossum 4y agoThere’s no reason your toilet needs to use clean drinkable water - it only does today because that’s what we have the infrastructure to deliver.