Water Pollution – What’s it All About?
Our water in the US is supplied by lots of sources. Groundwater makes up about 25% of water used, while surface sources like rivers, lakes, or reservoirs make up the remaining 75%. Most of our water is used for thermoelectric purposes, irrigation and public supplies (2005). But water is also important for industry and farming, since it can be used for almost every step of producing everyday goods like food, paper, chemicals, petroleum, or metals. The water cycle doesn’t end there, though. The water used in production needs to flow