This review article comprehensively overviews the various remediation techniques available for contaminated sites. Contaminated sites pose a significant risk to the environment and human health, and it is essential to remediate these sites to minimize the potential harm caused by pollutants. The article covers various remediation techniques, including physical, chemical, and biological methods. Overall, this review article is a valuable reference for anyone interested in understanding the current state of knowledge in remediation technologies for contaminated sites.