A green activist is someone who is passionate about preserving and protecting the natural environment. Synonyms for a green activist could include environmentalist, conservationist, eco-warrior, nature advocate, earth defender, and sustainability enthusiast. These individuals are often seen advocating for policies and practices that promote renewable resources, clean energy, and reducing carbon footprint. They may participate in protests, rallies, and campaigns to raise awareness about climate change and its effects on the planet. It is important to recognize and respect the efforts of these green activists, as their actions lead to a brighter and healthier future for us and generations to come.