Janmejai Tiwari is a young activist from India. He has been a part of climate justice movements in India for a decade. He has also been active with the Young Greens and youth movements at transnational level. He has been leading the delegation of the Global Young Greens (GYG) for COP since COP 26 in Glasgow. He has been associated with Global Young Greens and Asia Pacific Young Greens Network (APYGN) in different capacities. He is currently the Secretary-General of the GYG. He is based in Almora, Uttarakhand, a Himalayan region in Northern India.