Mitzi Jonelle Tan is a 24-year-old climate justice activist based in Metro Manila, Philippines. According to her biography on Youth Advocates for Climate Action Philippines, Tan has long held an interest in climate action. “At the age of nine, she would go up to strangers and tell them about greenhouse gases and global warming,” the biography reads. Later in 2017, when meeting with Lumad Indigenous leaders in her country, “she decided to fully commit her life to activism,” as they made her realize “collective action and system change is what we need for a just and green society,” the biography outlines.