Core Viewpoint - The "Global Kilometer-Scale Numerical Simulation Hackathon 2025" Beijing node aims to address cutting-edge challenges in climate simulation, enhancing the development of next-generation Earth system models and providing critical scientific support for climate change response [1][4]. Group 1: Event Overview - The Beijing node is one of nine global nodes and is organized by the Institute of Atmospheric Physics, Chinese Academy of Sciences, in collaboration with the Max Planck Institute for Meteorology [2]. - The event will take place from May 12 to May 16, gathering nearly 100 researchers to collaborate on climate simulation innovations [9]. Group 2: Scientific Focus - The hackathon will focus on nine scientific topics, including the Asian monsoon process in 2020, extreme precipitation during the Meiyu period in 2020, and mechanisms of compound high-temperature drought events [4]. - Key regional scientific issues such as extreme precipitation, typhoon anomalies, and climate events in the Pan-Polar region will be addressed, leveraging China's advantages in complex terrain simulation and Asian monsoon research [4]. Group 3: International Collaboration - Teams from seven countries, including China, the USA, the UK, Brazil, Germany, Japan, and Australia, will collaborate using advanced global models to analyze simulation data [5]. - The event emphasizes community collaboration, open access, and the establishment of unified data standards to enhance climate research [5]. Group 4: Impact on Climate Science - Kilometer-scale climate simulation is at the forefront of Earth system science, crucial for improving extreme weather predictions and assessing climate change risks [6]. - Research outcomes from the Beijing node will be integrated into a global collaboration network, providing data standards and methodologies to accelerate the translation of climate science into policy actions [8].

Core Insights - The article pays tribute to the contributions of distinguished individuals in the field of science, particularly highlighting the achievements of renowned atmospheric scientist, Zeng Qingsun, who developed the "semi-implicit difference method" for weather forecasting [4][11]. Group 1: Contributions to Atmospheric Science - Zeng Qingsun, born in 1935, is a prominent atmospheric scientist and recipient of the National Supreme Science and Technology Award, known for creating the "semi-implicit difference method," which is foundational for numerical weather prediction [4][11]. - His method significantly improved the accuracy of weather forecasts, achieving over 60% accuracy, which allowed for operational use in major meteorological centers [6][11]. - Zeng's work laid the groundwork for China's meteorological satellite remote sensing and established theoretical foundations for atmospheric infrared remote sensing [8][11]. Group 2: Development of Meteorological Technology - In the 1980s, Zeng became one of the youngest members of the Chinese Academy of Sciences and was instrumental in acquiring China's first high-speed computer for meteorological research [11]. - He emphasized the importance of developing advanced computational models to address climate change and environmental issues, advocating for both emission reduction technologies and a deeper understanding of climate mechanisms [12][13]. - The establishment of the "Huan" supercomputer in 2021 marked a significant advancement in China's capability for Earth system numerical modeling, enhancing the country's participation in international climate discussions [13][19]. Group 3: Personal Philosophy and Legacy - Zeng Qingsun's lifelong dedication to atmospheric physics is driven by a strong sense of patriotism and a desire to elevate China's scientific standing [16][19]. - He continues to mentor students and engage in research, emphasizing the importance of lifelong learning and contribution to the nation [19].