Band 7+: Pollution of rivers, lakes and seas is a major concern for people who seek to protect the environment. What are the possible causes of water pollution, and what effects does this have on animal life and human society?

The contamination of rivers, lakes, and seas is a pressing issue for individuals committed to safeguarding the environment. This essay will discuss the potential causes of water contamination and the subsequent effects on both animals and human civilization.

Beginning with the origins of water pollution, the inappropriate discharge of waste and sewage stands out as a primary culprit. Many nations struggle annually with the management of solid waste, originating from households and industrial facilities. Due to inadequate or absent waste disposal systems, materials like metals, plastics, and textiles from homes, as well as scrap metals, gasoline, and pesticides from factories, find their way into water bodies. Furthermore, the exploitation of crude oil has notably exacerbated this issue. Activities related to oil exploration, refining, and distribution pose water-related hazards, such as leaks, spills, and accidents. The release of crude oil and its by-products into water sources significantly contributes to heightened levels of water pollution in countries like Iraq, Peru, and Russia.

The consequences of water pollution on both humans and wildlife are substantial. Hazardous substances in water deprive aquatic organisms of oxygen, leading to their suffocation. For example, fish can ingest these harmful chemicals, resulting in deformities of their gills, fins, and tails, as well as reproductive abnormalities, ultimately leading to their demise. A poignant illustration of this is the oil spill incident in the Niger Delta, Nigeria, in 2015. Thousands of gallons of crude oil leaked from a pipeline connected to an offshore platform, resulting in the closure of a 15-mile stretch of coastline and the death of an undisclosed number of fish.

Furthermore, contaminated water severely restricts people’s access to clean water for various purposes, particularly domestic use. Consequently, tainted water contributes to the spread of diseases such as cholera, diarrhea, dysentery, hepatitis A, typhoid, and polio.

In conclusion, inadequate waste management practices and oil spills are the primary contributors to water pollution. The adverse effects of this phenomenon on both human beings and wildlife are unequivocally negative, leading to disease outbreaks and the devastation of marine ecosystems.