Fungal and bacterial foot problems like athlete's foot occur because our feet spend most of the day stuffed into shoesâwarm, dark, sweaty places are the perfect conditions for fungus to thrive. These conditions can cause dry skin on your feet, and possibly redness, blisters, itching, and peeling.ungal and bacterial foot problems like athlete's foot occur because our feet spend most of the day stuffed into shoesâwarm, dark, sweaty places are the perfect conditions for fungus to thrive. These conditions can cause dry skin on your feet, and possibly redness, blisters, itching, and peeling.
While it is true that you shouldnât drink water from the faucet in Mexico it isnât true that the reason for this is the terrible water pollution in Mexico. Mexico city is known for itâs air pollution; however, the water does not have especially high pollution levels when compared to many other big cities.
Categories of Pollution: Nonpoint Source. Nonpoint source pollution is difficult to control because it comes from many different sources and locations. Motor oil and other oil-based chemicals can be recognized by a characteristic rainbow-colored sheen. Click on image for larger view. Most nonpoint source pollution occurs as a result of runoff. When rain or melted snow moves over and through the ground, the water absorbs and assimilates any pollutants it comes into contact with (USEPA, 2004b).