Core Viewpoint - The North China rainy season has been notably prolonged this year, lasting 55 days as of August 28, compared to the average of 30 days, influenced by various climatic factors such as sea temperature anomalies and persistent high-pressure systems [1][2][5]. Group 1: Rainy Season Characteristics - The rainy season began on July 5, 13 days earlier than the average start date of July 18, marking the earliest onset since 1961 [2][5]. - Cumulative rainfall in the monitoring area has exceeded the normal seasonal value by 131% as of August 25 [2][3]. - The rainy season has been characterized by high humidity and frequent heavy rainfall events, with 29 significant precipitation events recorded since the onset of the rainy season [3][4]. Group 2: Contributing Factors - Multiple factors contribute to the extended duration of the rainy season, including anomalies in equatorial Pacific sea temperatures, a strong and northward-shifted subtropical high-pressure system, typhoon activity, and geographical features [5][6]. - The subtropical high-pressure system has been particularly strong, reaching its northernmost position since 1961, facilitating the influx of warm, moist air from the south [6][7]. - The interaction between warm, moist air and cold air from higher latitudes has led to increased precipitation in North China [6][7]. Group 3: Climate Change Implications - The record-breaking rainy season is seen as a local manifestation of global climate system changes, with increasing frequency and intensity of extreme weather events attributed to climate change [8]. - Experts suggest that the duration of the rainy season exhibits significant interdecadal variability, with a trend of increasing duration observed since 2011 [7][8]. - There is a call for enhanced disaster prevention and mitigation measures in response to extreme weather, emphasizing the need for societal engagement in climate adaptation strategies [8].

Group 1 - The article highlights the effectiveness of timely geological disaster meteorological risk warnings in preventing casualties during extreme weather events, as demonstrated by the successful evacuation of 117 individuals in Luzhou, Sichuan due to a landslide [1] - The integration of technology, such as high-precision satellite remote sensing and AI models, has significantly improved the accuracy of disaster monitoring and forecasting, with over 80% of successful evacuation cases attributed to preemptive warnings from 2021 to 2024 [2][3] - The establishment of a national comprehensive monitoring and early warning platform for natural disasters, along with the deployment of automated monitoring equipment at over 70,000 critical disaster points, enhances the overall disaster response capabilities [2] Group 2 - The increasing frequency and intensity of extreme weather events in China, driven by climate change, necessitate continuous improvements in disaster prevention and response strategies [3] - Recent legal actions, such as issuing fines for individuals who ignore evacuation warnings, reflect a growing societal awareness and responsibility towards disaster risk reduction [4] - The development of new products, like the nationwide high-precision landslide and debris flow risk map, aims to provide detailed insights into disaster-prone areas, thereby enhancing preventive measures [3]

Core Viewpoint - The North China rainy season has been notably prolonged this year, lasting 55 days as of August 28, which is significantly longer than the average duration of 30 days, influenced by various climatic factors [1][2][4]. Summary by Relevant Sections Rainy Season Characteristics - The rainy season in North China began on July 5, 13 days earlier than the average start date of July 18, marking the earliest onset since 1961 [2][5]. - As of August 25, the cumulative rainfall in the monitoring area was 131% above the normal seasonal value [2]. Rainfall Events - There have been 29 significant rainfall events since the onset of the rainy season, with 10 classified as strong and 2 as exceptionally strong [3]. - Notable rainfall amounts include over 250 mm in certain areas, with specific locations like Beijing's Miyun District recording 573.5 mm and Baoding in Hebei reaching 605.8 mm [3]. Influencing Factors - The prolonged rainy season is attributed to several factors, including abnormal sea temperatures in the equatorial Pacific, a strong and shifted subtropical high-pressure system, typhoon activity, and geographical features [5][6]. - The subtropical high-pressure system has been particularly strong and has shifted northward, facilitating the influx of warm, moist air from the south [6]. Climate Change Context - The record-breaking rainy season is seen as a local manifestation of global climate change, with increasing frequency and intensity of extreme weather events [7][8]. - Experts suggest that while the rainy season's duration has shown an increasing trend since 2011, it is too early to definitively conclude that this "warming and wetting" trend will continue [7][8].

Core Viewpoint - The northern regions of China are experiencing increased rainfall and extreme weather events, raising concerns about climate change and its impact on regional weather patterns [1][3]. Group 1: Weather Patterns and Climate Change - The northern regions have seen multiple rounds of heavy rainfall since July, with 13 instances of heavy rain reported, which is 5 more than the average for the same period [1]. - The abnormal atmospheric circulation, particularly the western Pacific subtropical high, is a significant factor contributing to the increased rainfall in northern China [2]. - The onset of the rainy season in North China occurred on July 5, nearly two weeks earlier than the average date, marking the earliest start since 1961 [2]. Group 2: Implications of Extreme Weather - The increase in extreme weather events is linked to global warming, with the World Meteorological Organization reporting a fivefold increase in weather-related disasters over the past 50 years [3][4]. - Northern China is particularly vulnerable to extreme weather due to its ecological sensitivity, facing risks such as increased frequency and intensity of extreme events [4]. - The climate risk index for China in 2024 is projected to be the highest since 1961, with significant risks from flooding and high temperatures [3]. Group 3: Response and Adaptation Strategies - There is an urgent need for a comprehensive disaster risk reduction mechanism that includes government leadership, early warning systems, and community participation [4]. - The focus should be on risk assessment, dynamic monitoring, and public education to minimize exposure to extreme weather risks [4][5]. - The United Nations has initiated a global early warning initiative aimed at ensuring that everyone is protected by early warning systems by 2027 [5][6].

Group 1 - The article discusses the warming and humidification trend in northern China, suggesting that while there are indications of a shift towards a "southern" climate, further research is needed to confirm this [1][3] - Since July, northern China has experienced multiple rounds of heavy rainfall, with 13 instances of heavy rain reported, which is 5 more than the average for the same period [1][2] - The early onset of the rainy season in North China, starting on July 5, is noted as the earliest since 1961, indicating significant climatic changes [2][3] Group 2 - The abnormal atmospheric circulation, particularly the west Pacific subtropical high, is identified as a key factor contributing to the increased rainfall in northern regions [2][3] - The article highlights the relationship between global warming and the northward movement of the subtropical high, which is believed to be pushing warm, moist air into northern China [3] - The World Meteorological Organization reports that climate-related disasters have increased fivefold over the past 50 years, with China being particularly sensitive to climate change [3][4] Group 3 - The article emphasizes the need for a comprehensive disaster risk management approach, including government leadership, early warning systems, and public participation to address extreme weather events [4][5] - It mentions the United Nations' initiative for early warning systems to protect populations from climate-related disasters by 2027, showcasing a global effort to enhance climate resilience [5]

Core Viewpoint - The increasing frequency of extreme weather events, such as heavy rainfall, necessitates the construction of resilient cities that can effectively manage urban flooding and climate risks [1][2]. Group 1: Urban Resilience and Climate Risks - Urban resilience focuses on proactive measures to address climate safety risks, which are now closely linked to national security aspects like food, energy, and ecological safety [2]. - The need for cities to understand their disaster risk profiles and implement targeted protective measures in high-risk areas is emphasized [2]. - Many small and medium-sized cities currently lack early warning systems for climate safety and specific plans for extreme weather events [2]. Group 2: Infrastructure and Planning - The ability of a city to withstand natural disasters relies more on its infrastructure than on superficial appearances [2]. - Urban renewal must reconsider planning in light of climate change, allowing for flexible design that accommodates varying financial capabilities [2]. - It is recommended to establish tiered drainage system upgrades and reserve capacity for extreme conditions to mitigate adverse outcomes [2]. Group 3: Community Aspirations and Systematic Approach - The construction of resilient cities reflects the community's desire for safety against extreme weather [3]. - A balance between urgency and systematic planning is crucial for enhancing urban safety resilience, transitioning from reactive emergency responses to proactive prevention [3].

Core Viewpoint - The debate over air conditioning in France has intensified amid unprecedented heat waves, highlighting cultural and political divides regarding its necessity and environmental impact [1][3][5]. Group 1: Current Climate Situation - France is experiencing one of its hottest summers on record, with temperatures exceeding normal values by up to 12 degrees Celsius, and 40% of weather stations recording temperatures above 40 degrees Celsius [1][3]. - The French population has historically been resistant to air conditioning, viewing it as wasteful and contrary to climate change efforts, but this perception is shifting as heat becomes increasingly unbearable [3][5]. Group 2: Political and Cultural Debate - The extreme heat has sparked a political debate, with far-right leader Marine Le Pen proposing a nationwide air conditioning installation plan if elected, which has drawn criticism from environmentalists [3][4]. - The discussion around air conditioning has become a cultural battleground, with differing opinions on its necessity and environmental implications [4][10]. Group 3: Public Sentiment and Usage - Many French citizens are beginning to reconsider their stance on air conditioning, with some residents in Paris already installing units to cope with extreme temperatures [6][9]. - There is a general consensus that essential facilities like nursing homes, hospitals, and schools should have air conditioning, but there is less support for widespread residential installation [9][10]. Group 4: Environmental Concerns - Environmentalists warn that increased air conditioning usage could exacerbate outdoor temperatures, with predictions indicating that household air conditioning could raise outdoor temperatures by 2 degrees Celsius [6][10]. - The European Union's energy consumption statistics show that only 1% of energy is used for cooling, compared to 62.5% for heating, indicating a significant imbalance in energy usage patterns [6][10]. Group 5: Future Projections - Climate data suggests that Europe is experiencing longer heat waves than 40 years ago, with predictions indicating that Paris could frequently see temperatures reaching 50 degrees Celsius by 2050 if current warming trends continue [10].

Core Viewpoint - Climate extremization has become a norm, with global warming leading to intensified rainfall and drought conditions in specific regions, resulting in sudden shifts between drought and flooding [1][3][8]. Group 1: Extreme Weather Events - Recent years have seen a significant increase in extreme weather events globally, with high temperatures, floods, and storms becoming more frequent and intense [5][6]. - In July, the average temperature in Henan Province reached 30.5°C, 3.2°C higher than the historical average, marking the hottest period in 64 years [2]. - Northern China experienced above-average rainfall, with Inner Mongolia recording the highest precipitation for this period since 1961 [2][3]. Group 2: Impact on Agriculture - Extreme weather is adversely affecting major grain-producing areas in China, with high temperatures and heavy rainfall impacting crop growth and increasing irrigation costs [3][14]. - The growth of winter wheat is particularly vulnerable to insufficient low-temperature periods, which can lead to premature ear formation and reduced yields [15]. - High temperatures can cause corn leaves to curl, affecting photosynthesis and increasing water requirements, thus raising irrigation costs for farmers [15]. Group 3: Future Projections and Preparedness - The ongoing climate crisis requires urgent action, with a need for five times the current effort to effectively address climate challenges [11]. - Transitioning to green renewable energy is essential, despite the associated costs, as it presents significant industrial opportunities while mitigating future disaster losses [11]. - The upcoming weather patterns indicate that northern regions may continue to face flooding, while southern areas will experience heightened drought conditions [12]. Group 4: Economic Implications - The volatility of agricultural prices due to extreme weather events is expected to persist, with "weather-related price hikes" becoming more common [16]. - Developing countries may be disproportionately affected by extreme climate events, leading to potential resource conflicts and social instability [17]. - Industries related to agriculture may need to adapt their insurance models and financial tools to better manage the risks associated with climate change [18]. Group 5: Urban Planning and Infrastructure - The concept of sponge cities is being emphasized, but their capacity to handle extreme rainfall is limited, necessitating additional strategies for flood management [19][20]. - Urban planning must evolve to incorporate designs that can effectively manage high temperatures and heavy rainfall, ensuring resilience against climate impacts [18][20].

Core Viewpoint - The article discusses the increasing frequency and intensity of extreme weather events due to global warming, highlighting the challenges in accurately predicting extreme rainfall and the need for improved early warning systems [1][7]. Group 1: Extreme Weather Events - Recent extreme weather events include high temperatures in Wuhan and heavy rainfall in Beijing, prompting various weather warnings [1]. - The article emphasizes that global warming is leading to more frequent and severe extreme weather events, including heavy rainfall and heatwaves [7]. Group 2: Challenges in Weather Prediction - Accurate prediction of extreme rainfall remains difficult due to the inherent instability of the atmosphere and limitations in current observation systems and weather prediction models [2][3]. - A study on the 2021 Zhengzhou heavy rainfall revealed that even with advanced scientific methods, predicting the exact timing and location of extreme rainfall remains a challenge [2]. Group 3: Atmospheric Circulation and Its Impact - Atmospheric circulation significantly influences the distribution and intensity of precipitation, with specific patterns linked to extreme rainfall events in regions like Beijing [4]. - Historical data indicates that certain atmospheric circulation types have repeatedly led to extreme rainfall in the Beijing area [4]. Group 4: Broader Implications of Climate Change - Global warming is causing shifts in atmospheric circulation, leading to changes in precipitation patterns, such as the northward movement of the subtropical high-pressure system [7]. - The widening of the tropics and increased atmospheric instability due to global warming may result in more intense extreme weather events [7]. Group 5: Need for Improved Early Warning Systems - The article stresses the importance of a comprehensive early warning system that involves collaboration across various sectors, including government, research institutions, media, and the public [9][10]. - Effective communication and trust in warning systems are crucial, as false alarms can lead to public skepticism [10]. Group 6: Urban Planning and Adaptation - Current urban infrastructure often relies on historical data for rainfall predictions, which may not be sufficient under changing climate conditions [12]. - There is a need for cities to adapt their planning and infrastructure to account for increased rainfall intensity due to climate change, emphasizing the importance of both hardware and software solutions in urban management [12].

自7月起， 伊朗多地发布高温预警，停水停电频发。 气象专家说，进入夏季后，伊朗全国平均 气温较正常水平偏高约1.2摄氏度。 据多家媒体分析，随着全球气候变暖，伊朗近年来频繁遭遇极端高温天气。地下水资源过度开发 加上管理不善等问题，使伊朗全国多地面临缺水危机。 报道说， 水资源和电力短缺已成为伊朗民众目前的主要担忧。 在德黑兰部分区域和伊朗其他50 多个城市， 停水时间最长已达48小时。 据伊朗伊斯兰共和国通讯社报道，伊朗全国水库蓄水量平均只有正常水平的约44%，向德黑兰供 水的各水库的蓄水量仅余20%。德黑兰省供水公司说，水库水量已降至"一个世纪以来最低"。 伊朗总统马苏德·佩泽希齐扬上周警告道，形势很严峻，如果不节约用水，向德黑兰供水的水库 可能最晚10月就会干涸。 来源：新华社 据多家媒体报道， 伊朗缺水危机持续，首都德黑兰大量公共卫生间被迫关闭。 德新社2日报道说，德黑兰市政部门对公共卫生间关闭的报道不予置评，不过一些民众证实当地 许多公共卫生间已关闭，其中包括地铁站内的卫生间。 E E M FR FR 点击下载中国基金报客户端 ■ 中国基金报内容矩阵 ■ 巅峰对话 投资热点说 ETF风向标 IPO情报 ...