The sprawling Ogallala Aquifer in the Great Plains provides freshwater for roughly one-fifth of the wheat, corn, cattle and cotton in the United States. But key parts of the underwater aquifer are being depleted faster than they can be recharged by rain (see map).
The St. Bernard Parish water system has tested positive for a rare brain-eating amoeba, the federal Centers for Disease Control and Prevention confirmed, about a week after St. Bernard Parish government officials assured the public that the parish was taking every precaution possible to flush out its water system.
There are 626 sewage treatment plants in Bangalore, the highest in any city in the country.
Together, these STPs can treat 834 million liters per day (MLD) of waste water. But truth is, much of the treated water goes down the drain, according to a report by the Karnataka State Pollution Control Board (KSPCB).