Microplastics and pesticides: Unseen dangers to our planet and health

The pervasive presence of environmental pollutants such as microplastics, pesticides, and insecticides has raised significant concerns about their impact on ecosystems and human health. Microplastics, minute plastic particles less than 5 mm in size, originate from the degradation of larger plastic debris, cosmetic products, and synthetic fibers. These particles are ubiquitous. In marine and terrestrial environments, posing physical and chemical threats to a wide range of organisms, including humans. The ingestion of microplastics can lead to digestive blockages and introduce harmful chemicals into the body, while their presence in soil affects microbial health and plant growth. Pesticides, widely used in agriculture to control pests, often contaminate water bodies through runoff and leaching, harming nontarget species and disrupting ecosystems. Human exposure to pesticides can cause acute and chronic health effects, ranging from poisoning to cancer and endocrine disruption. Integrated Pest Management (IPM) and regulatory measures are critical in reducing pesticide reliance and mitigating their environmental impact. Insecticides, a subset of pesticides, specifically target insects but also affect beneficial species like bees and aquatic life, leading to biodiversity loss and ecosystem imbalances. Human exposure to insecticides can result in respiratory problems, neurological disorders, and increased cancer risk. Promoting biopesticides and sustainable practices are essential strategies to mitigate these impacts. This abstract reviews the sources, distribution, and ecological consequences of microplastics and pesticides emphasizing the urgent need for sustainable practices and regulatory measures to protect biodiversity and human health.