Beijing finally welcomed its first snow of the year on Dec. 12, nine days later than the city's average first snowfall. On campus, the deepest accumulation was ankle-high, noticeably thicker than nearby roads. Compared to previous years, this belated first snow not only covered the entire city but also far exceeded expectations in intensity. What caused Tsinghua's snowfall to be heavier than other areas during the same period and compared to historical averages? Climate chang

For a city known for its rapid response to winter weather, this raised a question: why hadn’t the snow melted away as quickly as before? The answer lies not in delayed management or reduced effort, but in a deliberate shift in how Beijing deals with snow.