Science and Engineering: Innovation, Research, Education and Economics
February 10, 2008
Water Pump Merry-go-Round
I wrote about PlayPumps in 2006: Safe Water Through Play. This video by National Geographic gives more detail on PlayPumps and water needs in general. Some facts from KnowH2O
A child dies every 15 seconds from diseases related to unsafe water, inadequate sanitation and poor hygiene.
1.1 billion people worldwide lack access to safe drinking water.
40 billion hours each year are spent collecting water in sub-Saharan Africa, equal to over 19 million full-time employees.
Every $1 invested in water yields an economic return worth $8 in saved time, increased productivity and reduced healthcare costs. (UNDP)
In many areas of sub-Saharan Africa women and girls often walk an average of five miles to the nearest water source every day. If a woman only had to carry water for one hour a day, she could earn an additional US $100 a year.
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