新闻门户 News 脸谱网 Type of news Aviation Climate Climate change (-) Cryosphere Drought Early warning system Earth observation satellites El Niño / La Niña Energy Extreme weather Floods Greenhouse gases Health Heatwave Ocean Tropical cyclone Water Weather 脸谱网 Topic 全球的 脸谱网 Audience (-) 2024 2023 2022 2021 2020 2019 2018 脸谱网 Year Enter keyword 清理过滤器 News 2024年04月19日 WMO issues new guidance on cryosphere measurements 快速链接 新闻通稿