Although 70% of Earth is covered with water, about 97% of this water is saltwater. That means that only 3% of the water available on Earth is fresh water. This should be enough to sustain life on the planet were it not for the fact that much of it is contaminated beyond human use. Our water is largely being polluted by chemicals used in agriculture that ultimately end up underground. Add to that the toxic emissions of automobiles and factories that contaminate the clouds. Among various negative effects on our planet, water pollution has been linked to the increase in miscarriages and the decrease in sperm count