1.   Uneaten food and other dead organic materials left in the tank are the worst offenders in pollution of the water.

2.   Bell also says dehydrated foods cut down on unnecessary store packaging and produce less waste from uneaten food gone bad.

3.   In a year, much of San Francisco will add its uneaten food.

4.   Fish and shrimp farms have been criticized for dumping feces and uneaten food into surrounding waters.