A Pakistani child drinks water from a hand-pump in an impoverished neighbourhood of Karachi on March 22, 2011, on World Water Day. According to UNICEF as many as 60 million people may not have access to safe drinking water, while more than 100,000 child deaths may be attributed to drinking unsafe water each year in Pakistan. AFP PHOTO/RIZWAN TABASSUM (Photo credit should read RIZWAN TABASSUM/AFP/Getty Images)
