R. S. Gireeshaya's research focuses on the field of environmental science, particularly examining the impact of pollution on biodiversity. His studies aim to understand how various pollutants affect ecosystems and the species that inhabit them, contributing valuable insights to conservation efforts. Additionally, Gireeshaya investigates sustainable practices that can mitigate environmental damage. By exploring innovative solutions, he seeks to promote a balance between human activities and the preservation of natural habitats, ultimately supporting the health of our planet for future generations.