contamination

contaminacion:Environmental contamination or pollution is the introduction of substances or other physical elements into an environment, which make it unsafe or unfit for use.The environment can be an ecosystem, a physical environment or a living being. The pollutant can be a chemical or energy.Environmental pollution causes negative impacts on ecosystems and various diseases, alterations and a reduction in life expectancy in millions of people around the world. Pollutants are very diverse and are causing more and more health problems, even before birth. This is what research groups point out to international organizations such as the World Health Organization (OMS)