In Reducing Carbon Footprints in a Changing World, Prof. Dr. Fatin Aliah Phang explores how classrooms can become catalysts for a low carbon future. Through real stories of students and educators leading change, she reveals how early education fosters lifelong climate responsibility. Prof. Fatin Aliah Phang is a thought leader in environmental education and STEM. Based at Universiti Teknologi Malaysia (UTM), she bridges physics, engineering, and sustainability through her research and teaching. A graduate of Cambridge University, her work focuses on low-carbon societies, problem-solving, and metacognition. With a passion for climate education and systems thinking, she inspires future generations to lead with both science and empathy. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx