G. Sundarrajan is a passionate environmental activist and the coordinator of Poovulagin Nanbargal (Friends of Earth), a Tamil Nadu-based NGO dedicated to ecological preservation and sustainability. An engineer by profession, he leverages his technical expertise to address pressing environmental issues. He has been instrumental in campaigns against projects like the Kudankulam Nuclear Power Plant, advocating for public safety and environmental justice. Through legal support and grassroots activism, he promotes sustainable development and ecological awareness, thus inspiring communities to preserve and protect their environment for future generations.