The simplest water pollution definition would be any contamination of water bodies with some pollutant(s) that changes physical， biological， and chemical conditions of any body of water making this water harmful for environment and surrounding Water pollution occurs once too much pollutants (mostly in form of different waste) are discharged directly or indirectly into water Water pollution does not only cause great environmental damage but is also the leading worldwide cause of deaths and diseases responsible for the deaths of more than 14，000 people each day， mostly in developing Many people are not aware that water pollution is serious problem in almost all parts of the world， and not just in third world countries like some choose to In fact many experts will tell you that reality is completely different than the common belief， and that actually water pollution problem is already out of Water pollution problem is in most cases connected with the careless handling of chemical agents， toxins introduced into our water through industrial dumping， and farm All these factors make our water unsafe to For instance， the chlorine that is widely used to disinfect our water is believed by many to be carcinogenic， and therefore a major health issue that significantly contributed to worldwide rise of cancer Basically chlorine is present in every glass of water we draw from our tap， and although some studies have confirmed that chlorine can indeed be one of the cancer risk factors we simply cannot do without it because by removing chlorine from our water we would open the door to many waterborne diseases that would kill millions of people around the So how to protect yourself from water pollution? The best option available to us is to install a multi-layered home water filtering system in your The best option is multi media block system that has an activated granular carbon filter， a sub micron filter， and an ion This system is capable to prevent up to 99% of all of the harmful contaminants present in our water from entering your High quality home water filtering system is really your best ally against water 网上找的这篇，符合你的基本要求了，希望能帮到你。
Now， he also does not pay attention to protect the The world’s water plays a very important role in all aspects of our lives， providing food， employment and other Over two-thirds of the world’s population lives within 400 km of the sea， and just over half of the world’s population lives in a coastal strip 120 miles As many as half a billion people draw their livelihoods from the sea in one way or another—processors， packers， shippers， ship builders and Ocean ecosystems provide goods and services valued at at least several trillion dollars per year， and millions of people earn their living directly from the Let us up， protect our ocean of survival!
As a result of littering by tourists and the discharge of sewage into the sea by factories along the coast， the seawater has become A lot of litter float on top of the Many rare fish also However， mankind is still catching and killing a lot of I hope that the relevant department will enhance the awareness of people in protecting our oceans and encourage people's cooperation to maintain an ecological 题目我没想好，你先想想
