Core Insights - The World Meteorological Organization (WMO) has included the China-MST3.0 dataset in its 2025 global temperature change report, confirming that 2025 will be one of the three warmest years on record [1][5] - The China-MST3.0 dataset, developed by a team from Sun Yat-sen University, has become a key data source for international climate reports, contributing to global climate governance [1][5] - The dataset addresses challenges in global temperature monitoring, such as historical observation inconsistencies and sparse data in high-altitude and polar regions [1][3] Group 1: Dataset Development - The China-MST dataset was first launched in 2019, integrating land and ocean temperature data to improve accuracy [2] - The 2.0 version released in 2022 enhanced data for ice-covered areas and improved coverage in sparsely observed regions [2] - The 3.0 version introduced a comprehensive uncertainty assessment framework, significantly improving data quality and reliability [2][3] Group 2: Global Temperature Trends - The evaluation based on the China-MST3.0 dataset indicates a global average near-surface temperature increase of 1.07°C ± 0.05°C compared to the 1961-1990 climate standard, and 1.39°C ± 0.13°C compared to pre-industrial levels [5] - The analysis from eight datasets shows a clear trend of global warming, with an acceleration in warming rates beyond previous expectations [5] Group 3: Future Directions - The research team is focusing on developing higher-resolution climate application datasets and has recently completed a homogenized global solar radiation dataset [6] - The team aims to enhance data quality standards and strengthen international collaboration in climate research [6]