I went to COP30—and saw how the rest of the world is pushing climate action even as the U.S. steps back

Natalie Sum Yue Chung is the deputy convenor of the Youth and Capacity Building Sub-committee on the HKSAR Council for Carbon Neutrality and Sustainable Development. She is also a PhD researcher in climate policy at Princeton University, and the co-founder of V'air Sustainability Education, a Hong Kong-based sustainability startup.