Why do so many of us get so fat? the answer appears obvious. âThe fundamental cause of obesity and overweight,â the World Health Organization says, âis an energy imbalance between calories consumed and calories expended.â Put simply, we either eat too much or are too sedentary, or both. By this logic, any excess of caloriesâwhether from protein, carbohydrate or fat (the three main components, or âmacronutrients,â in food)âwill inevitably pack on the pounds. So the solution is also obvious: eat less, exercise more. The reason to question this conventional thinking is equally self-evident.
The 1972 act introduced the National Pollutant Discharge Elimination System (NPDES), which is a permit system for regulating point sources of pollution. Point sources include: 1  industrial facilities (including manufacturing, mining, oil and gas extraction, and service industries).ountaintop removal mining requires a section 404 permit when soil and rock from the mining operation is placed in streams and wetlands (commonly called a valley fill). Pollutant discharges from valley fills to streams also requires an NPDES permit.
As authorized by the Clean Water Act (CWA) , the NPDES Permit Program controls water pollution by regulating point sources that discharge pollutants into waters of the United States. Point sources are discrete conveyances such as pipes or man-made ditches.n California, NPDES permits are also referred to as waste discharge requirements (WDRs) that regulate discharges to waters of the United States. Since its introduction in 1972, the NPDES Program has been responsible for significant improvements to our nation's and stateâs water quality.