Core Viewpoint - The article discusses the alarming connection between climate change and the increase in obstructive sleep apnea (OSA), highlighting that rising temperatures can exacerbate this common sleep disorder, affecting both health and economic productivity [1][5][9]. Group 1: Health Implications - Obstructive sleep apnea affects over 25 million adults in the U.S., characterized by repeated breathing interruptions during sleep due to relaxed throat muscles [1][2]. - Increased environmental temperatures are linked to a 45% higher probability of experiencing OSA on certain nights [1][2]. - Untreated or severe OSA can lead to serious health issues, including dementia, Parkinson's disease, hypertension, cardiovascular diseases, anxiety, and depression, potentially shortening lifespan [5][6]. Group 2: Economic Impact - The study estimates that the rise in OSA prevalence due to global warming will result in a loss of 30 billion USD in productivity and 68 billion USD in health deterioration costs globally [1][7]. - In 2023, the increase in OSA cases led to an additional 25 million days of absenteeism across 29 countries, translating to significant economic losses [7][8]. Group 3: Research Findings - The research analyzed sleep data from 116,620 participants across 29 countries over three and a half years, using FDA-approved monitoring devices to establish the link between daily environmental temperatures and OSA [2][3]. - The study warns that the sample may underestimate the health and economic burdens, as it primarily includes participants from developed countries with air conditioning, leaving low-income groups underrepresented [8]. Group 4: Future Projections - With global average temperatures expected to rise by 2.1°C to 3.4°C, the negative impacts of high temperatures on health are likely to worsen [9][10]. - Without effective policy measures to combat global warming, the burden of OSA could double by 2100 due to rising temperatures [10].

Core Insights - An international research team led by researcher Chen Jitao from the Nanjing Institute of Geology and Palaeontology has published findings on the impact of global warming under high oxygen environments on oceans in the journal Proceedings of the National Academy of Sciences (PNAS) [1] Group 1: Research Context - The late Paleozoic glaciation period, lasting from 360 to 260 million years ago, is noted as the longest icehouse climate period since the establishment of terrestrial higher plants and ecosystems [4] - During this period, atmospheric oxygen levels peaked at approximately 1.2 to 1.7 times the current levels, potentially linked to the gigantism of marine and terrestrial animals and triggering significant marine biodiversity events [4] Group 2: Research Findings - The research team studied carbonate rock sediment sequences from 310 to 290 million years ago in the Guizhou Luodian Basin, exploring global carbon cycles and marine redox states during this period [5] - The findings indicate that increased organic carbon burial in the ocean may have led to a decrease in atmospheric CO2 and an increase in oxygen levels, despite high overall oxidation levels [5] - Intermittent massive carbon emissions during this time could cause repeated climate warming and hypoxia in the oceans, expanding the area of oceanic hypoxia to between 4% and 12%, potentially leading to stagnation or decline in marine biodiversity [5] Group 3: Implications - The study suggests that under current icehouse climates and high oxidation states, global warming may lead to widespread oceanic hypoxia, providing valuable insights into the interconnections and feedback mechanisms within the Earth's climate system [7]

Group 1 - The article highlights the significant contributions of Huang Jianping, an academician and atmospheric scientist, in researching sandstorms and climate change, emphasizing his dedication to national scientific needs [2][3][5] - Huang's team has developed various innovative monitoring systems and theories related to climate change and sandstorm formation over the past two decades [6][8] - The article discusses the recent extreme sandstorm events in China, attributing them to climate change and the limitations of local afforestation efforts in combating high-altitude dust transport [10][13] Group 2 - Huang Jianping explains that while China's afforestation efforts have reduced local sandstorms by 40%, they cannot fully prevent dust from high altitudes, which often originates from Mongolia [13][15] - The article notes that global warming is causing more frequent extreme weather events, impacting atmospheric circulation and leading to various climate anomalies [15][16] - The ecological restoration of the Loess Plateau is attributed to national reforestation projects and favorable atmospheric conditions, although future climate trends remain uncertain [18][19] Group 3 - Huang expresses pride in China's leadership in combating desertification, highlighting successful projects like the "locking" of the Taklamakan Desert [21][23] - The article clarifies that while desertification control has been effective, deserts will not transform into grasslands, maintaining their ecological characteristics over millennia [23][25] - The commitment of Huang's team and the younger generation to continue working in harsh environments reflects a deep-rooted passion for environmental stewardship [25][27]

美国国家海洋和大气管理局（NOAA）：美国刚刚经历了有记录以来第二温暖的春天。 跟踪全球极端天气动态 +订阅 ...

Group 1 - Morgan Stanley upgraded the ratings of US stocks and sovereign bonds from "neutral" to "overweight," anticipating that a series of future rate cuts by the Federal Reserve will support bonds and boost corporate earnings [1] - The US dollar is expected to continue weakening due to diminishing economic growth advantages and narrowing yield differentials with other countries [1] - The global economy is still expanding despite uncertainties, with Morgan Stanley's economists predicting seven rate cuts by the Federal Reserve by 2026, which will support above-average valuations [1] Group 2 - The overall inflation rate in the UK rose from 2.6% in March to 3.5% in April, exceeding economists' expectations of 3.4%, but the possibility of a rate cut by the Bank of England in August should not be ruled out [3] - Thailand experienced accelerated external demand growth in the first quarter, attributed to importers making advance purchases to avoid potential future cost increases due to US tariffs [3] - The financial sector is considered the best investment opportunity in the market, with Singapore's expected P/E ratio at 14.3 and a dividend yield of 4%, indicating attractive valuations [3]

以牡蛎为代表的增生生物，其壳体像树轮一样，每年形成明暗交替的生长纹。夏季高温时，壳层生长较 快、结构疏松，形成"亮带"；冬季低温时，生长减缓、结构致密，形成"暗带"。"这些生物贝壳就像自 然界的时光记录仪，它们详细记录了地球气候变迁和生态系统演变的历史。研究这些远古贝壳，能帮助 我们为未来生态发展找到科学方向。"论文通讯作者、中国科学院院士、中国科学院青藏高原研究所研 究员丁林说。 原标题：1.4亿年前牡蛎化石揭示远古气候图景 科技日报讯 （记者陆成宽）通过研究1.4亿年前的牡蛎化石，来自中国科学院青藏高原研究所等单位的 科研人员发现，在恐龙横行的白垩纪早期，地球虽然是一个处于高温状态的"温室世界"，但存在显著季 节性温差，甚至会存在和现今地球两极永久性冰川状态完全不同的周期性冰川。相关论文日前在线发表 于《科学进展》。 丁林认为，这项研究如同为古老气候图景打开一扇新窗，打破温室气候单一叙事，不仅刷新了对远古气 候的理解，也为预测未来全球变暖趋势提供了重要参考。 在这项研究中，科研团队通过研究牡蛎化石上的生长纹路，采用精密仪器分析这些"自然温度计"的化学 成分，确认化石保存完好、未受破坏。他们发现，早白垩世， ...

在这项研究中，科研人员整合了包括上新世中期、末次间冰期等地质时期的气候数据，以及联合国 政府间气候变化专门委员会（IPCC）最新气候预测模型数据。通过对比分析，他们发现，无论是远古 时期由植被覆盖变化、地球轨道变化等引发的暖期，还是当前人类活动导致的温室效应增强，南亚夏季 风均呈现出"降水总量增加，区域分布改变"的共性特征。 通过分析过去300万年间地球不同暖期的气候数据，并结合三种典型的未来增暖情景，来自中国科 学院大气物理研究所的科研人员，成功揭示全球变暖背景下南亚夏季风的演变规律，为预测未来气候变 化提供了重要科学依据。相关研究成果14日发表于《自然》杂志。 南亚夏季风的变化，影响着10多亿人口的水资源供给。在未来增暖情景下，数值模式普遍预估，南 亚季风环流将减弱但降水将增加。"然而，来自古气候的证据却显示，南亚季风环流和降水在过去暖期 均增强。这一差异对我们理解和预测气候变暖背景下季风系统的演变提出了挑战。"论文通讯作者、中 国科学院大气物理研究所研究员周天军说。 周天军表示，这项研究不仅揭示了全球变暖下区域季风的演变规律，更凸显了古气候研究在气候变 化预测中的独特价值。伴随全球变暖持续，极端事件将逐 ...

原标题：研究表明全球变暖将加剧雪旱风险 科技日报讯 （记者梁乐）记者5月12日从中国科学院新疆生态与地理研究所（以下简称"新疆生地所"） 获悉，该所李稚研究员团队的一项最新研究表明，在全球变暖的气候背景下，未来全球雪旱发生频率将 成倍增加，其中暖雪旱将成为主导类型。相关研究成果近期发表于国际期刊《地球物理研究通讯》。 据了解，雪旱通常指雪水当量异常偏低的现象。作为一种独特的干旱形式，雪旱主要发生在冬季降雪显 著减少或积雪迅速融化的地区，对依赖季节性积雪融水供给地区的农业用水会产生直接影响。 当前，全球变暖正在改变气候模式，与积雪有关的极端事件正在增加，这可能引发更加频繁的雪旱事 件。由于不同类型雪旱对生态系统的影响各不相同，其主导区域及未来演变模式尚不明确。 针对这一科学问题，李稚研究员团队基于ERA5-Land再分析数据和CMIP6多模型数据，对未来不同情景 下的雪旱变化进行了分析。研究结果显示，在温室气体中、高强度排放的情景下，到2100年，全球雪旱 频率将分别为1981年的3倍和4倍，暖雪旱将成为主要类型，预计2050年占比达65%。 值得注意的是，在温室气体高强度排放的情景下，发生干暖复合雪旱的风险呈 ...

Summary of Key Points from the Conference Call Industry Overview - The conference call primarily discusses the coal industry in China, focusing on the impact of climate conditions on coal production and related agricultural activities. Core Insights and Arguments - **Drought Conditions**: In spring 2025, eastern and central China experienced varying degrees of drought, particularly in Jiangsu, Shanghai, and Guangdong, with severe drought persisting in Gansu, Shaanxi, Henan, and southern Jiangsu. The average national precipitation from January 1 to May 11, 2025, was 110.76 mm, approximately 13% lower than the average of the past 30 years, marking the lowest level since 2011 [2][3][4] - **Climate Influences**: The reduced precipitation is attributed to the negative phase of the Pacific Decadal Oscillation (PDO) and the positive phase of the Atlantic Multidecadal Oscillation (AMO), which hindered moisture transport to eastern China. The La Niña phenomenon exacerbated the lack of precipitation during winter and spring [2][3][4] - **Future Weather Predictions**: For the upcoming weeks, moderate to severe meteorological drought is expected to continue in parts of northwest China and southern Jiangsu and Henan, while southern regions will experience increased rainfall, with some areas seeing precipitation levels 30% to 60% above normal [4][10] - **Extreme Weather Events**: The 2025 flood season (June to August) is anticipated to witness frequent extreme weather events, including both drought and flooding. Northern regions are expected to receive more rainfall, while southern areas will see less, leading to significant flooding risks in the Haihe, Yellow River, Liaohe, and Huaihe basins [10][11] - **Typhoon Activity**: An increase in the number and intensity of typhoons is expected this year, with one or two potentially impacting China. The paths of these typhoons will be influenced by the subtropical high-pressure system and the La Niña phenomenon [10][30] Additional Important Content - **Wind Events**: There has been a notable increase in strong wind events since winter 2025, posing challenges to agriculture, safety, and environmental protection. This is linked to significant atmospheric circulation patterns [5][6][21] - **Temperature Trends**: The summer of 2025 is projected to be warmer than average, with temperatures expected to rise by more than 0.5 degrees Celsius nationwide, particularly in the Yangtze River basin and southern regions, where temperatures may exceed 1 to 2 degrees Celsius above normal [4][35] - **Impact on Agriculture**: The ongoing drought and high temperatures are likely to adversely affect agricultural production, especially for winter wheat in severely impacted areas [4][10] This summary encapsulates the critical insights from the conference call, highlighting the interplay between climate conditions and the coal industry, as well as the broader implications for agriculture and weather patterns in China.

原标题：气象专家：南方强对流天气由江淮气旋引起 最近两天，我国南方地区暴雨不断。据中央气象台预报，今明两天南北方均将有明显降雨出现，今 天南方地区进入降雨最强时段，大到暴雨区范围广、局地强度大。中央气象台5月8日6时升级发布强对 流天气黄色预警。 中央气象台首席预报员徐珺介绍，8日至9日，江南、华南、江淮等地部分地区有大到暴雨、局地有 大暴雨，部分地区伴有8—10级雷暴大风或冰雹等强对流天气，局地风力可达11级以上。 "此次过程主要由东移加强的江淮气旋引起。往年同期出现过类似的过程，但这次强度明显较 强。"徐珺说。 很多公众疑惑，近期南方多地频繁出现强对流天气，是否存在异常？对此，中国气象服务协会会长 许小峰认为，从季节规律来看，每年4月底、5月初，南方强对流天气便开始进入活跃期，冷暖空气在西 南、华南区域交汇，不同性质的气团在交界处相互作用，出现此类天气属于正常现象，符合季节特点。 随着季节推进，到6—7月份梅雨季节时，强对流天气活跃区域会转移至长江流域。 今年的强对流天气似乎格外引人关注。许小峰指出，2023年和2024年全球平均气温屡创新高，我国 也不例外。在全球变暖的大背景下，大气中能量增多，大气波动 ...