This blog was originally posted on the Impatient Optimists blog of the Bill & Melinda Gates Foundation for World Water Day.
Recently, UNICEF/WHO Joint Monitoring Programme for Water Supply and Sanitation (JMP) announced the exciting news that we have achieved one of the targets of the Millennium Development Goals (MDGs) to reduce by half the number of people who don’t have sustainable access to safe drinking-water. But the 2012 JMP report added the important caveat that “it is likely that the number of people using safe water supplies has been over-estimated.”
Indeed,...