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Herbicides are chemical chemicals used in agricultural, industrial, and residential contexts to control or eliminate undesired plants known as weeds. These chemicals are important tools in modern agriculture because they help with weed control and crop growth by lowering competition for nutrients, water, and sunshine. However, its use raises environmental problems and necessitates caution in order to minimize negative consequences. Herbicides are classed according to their mechanism of action, chemical composition, and target plants. Non-selective herbicides harm a wide range of plant species, whereas selective herbicides target certain types of plants. Herbicides are also classified as either pre-emergent (used before weed growth) or post-emergent (applied after weeds have emerged). Glyphosate is one of the most often used herbicides in the world. Its widespread use is due to its broad-spectrum nature and effectiveness against a wide range of weeds. However, it has sparked debate due to the potential environmental and health consequences. Other herbicides, such as atrazine, 2,4-D, and paraquat, are also important weed control agents in a variety of agricultural methods. Herbicide application necessitates precision and attention to safety guidelines. Improper application can result in weed resistance, environmental contamination, and injury to non-target plants and animals. Integrated weed control practices, which include crop rotation, mulching, and mechanical weed removal, attempt to limit herbicide use and ameliorate its negative impacts. Concerns concerning herbicide use center on its ability to leak into bodies of water, damaging aquatic ecosystems, as well as the longevity of these chemicals in the environment. Furthermore, there are concerns about herbicides' impact on human health, necessitating continuous study and regulatory steps to assure their safe usage. Herbicide-resistant crop types have transformed agriculture by enabling farmers to employ specific herbicides without hurting their crops. This, however, has resulted in the emergence of superweeds—plants that are resistant to numerous herbicides—posing a huge obstacle to effective weed control. To balance the benefits of herbicides in weed management with their possible negatives, a thorough understanding of their impacts on the environment, wildlife, and human health is required. Ongoing research into alternate weed control approaches, as well as advances in herbicide technology, aim to improve efficacy while minimizing side effects, ensuring long-term weed management practices.