Marinel Ubaldo is an advocate for climate justice and the environment, a Registered Social Worker and one of the Founders of the Youth Leaders for Environmental Action Federation - a youth-led organization based in Eastern Visayas. It aims to mentor youth individuals and organizations in climate advocacy. She is the Advocacy Officer for Ecological Justice and Youth Engagement of Living Laudato Si' Philippines, and the Philippine Country Coordinator for UN COY16 Glasgow, and co-led the implementation of the Local Conference of Youth 2021. She also serves as the Philippine Focal Point for Climate Science Olympiad. Marinel has been actively involved in educating communities - the youth and children - about climate change and their role in adapting and mitigating its effects. Her global campaign with Amnesty International calling on the Philippine government to ensure relocation of Super-Typhoon Haiyan survivors generated 528,070 actions from around the world.