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一 | PORTLAND, Ore. -- Teachers in Portland, Oregon, have voted to go on strike, their union announced Friday, in another sign of a growing national organized labor movement that's seen thousands of workers in various sectors walk off the job this year. The Portland Association of Teachers' strike would start Nov. 1 unless an agreement with the school district is reached before then. The union said nearly 99% of teachers voted in favor of the strike, with 93% of its members participating in the ballot. Teachers have cited large class sizes, salaries that have not kept up with inflation and a lack of resources as key concerns. The union has been bargaining for months with the district for a new contract, which expired in June.“Students need stability and experienced educators in our schools, but the high cost of living is pushing teachers to leave the district. I don’t know how I’m going to survive on a teacher salary in Portland and I’m at the top of the pay scale," said Shannon Kittrick, a high school educator, in an emailed statement from the union.Schools will close and there will be no classroom or online instruction if the strike takes place, according to the district, which said it wants to avoid such a scenario.“We want to reach a fair, sustainable settlement, and we will stay at the bargaining table as long as it takes to get there. We ask our educators to stay at the table with us, not close schools," Portland Public Schools said in an emailed statement.The district is the largest in Oregon with roughly 45,000 students.Public education has been gripped by a series of high-profile strikes this year. In the Los Angeles Unified School District, the nation's second-largest, workers including teachers' aides, cafeteria workers and custodians walked out for three days in March to demand better wages and increased staffing, shutting down education for half a million students.In Oakland, California, the union representing teachers, counselors, librarians and other workers went on strike for more than a week in May. In addition to typical demands such as higher salaries, it also pushed for “common good” changes, such as reparations for Black students and resources for students who are homeless.。 北京青年报记者昨日(4月21日)从北京市生态环境局获悉,《北京市适应气候变化行动方案》日前出台。行动方案提出,到2025年,本市适应气候变化政策体系和体制机制逐渐完善,全社会自觉参与适应气候变化行动的氛围初步形成。 到2030年,适应气候变化政策体系和体制机制基本完善,气候适应型社会建设取得明显成效;到2035年,全社会适应气候变化能力显著提升,气候适应型社会基本建成。

二 | 北京年均气温每10年上升0.45℃ 北青报记者了解到,在全球气候变化背景下,我国气候呈变暖趋势,北京也明显表现出气候变暖趋势。

三 | 北京市应对气候变化管理事务中心副主任贾秋淼介绍,1961年至2020年,北京区域年平均气温以0.45℃/10年的速度上升,高于同期的全国平均升温幅度。市域内最高气温超历史极值或极端阈值的极端高温事件频发,区域性跨季连旱和极端特大暴雨事件的发生频率加大。

四 | “比如去年,北京的冷和热都很极端。”贾秋淼说,2023年北京市年平均气温12.7℃,这是1961年有7项记录以来最高。同时,高温日数也是历史最多。从7月份开始出现快速大尺度旱涝急转,一直到7月份出现强降雨,引发了重大的自然灾害。12月中下旬,又创下最长连续低温纪录,这些都是气候变化的一些影响。

五 | 贾秋淼介绍,北京作为超大城市,人口、产业、建筑高度密集,城市化与气候变化作用叠加,导致我市受气候变化影响压力较大。极端强降水、连续高温热浪、极端低温事件等造成建筑、交通、能源等基础设施结构及功能面临极大应对压力;气候变化也通过温度变化和病虫害影响着农业系统和生态系统等。 加强极端天气气候事件监测预警 为做好适应气候变化工作,防范化解气候变化重大风险,依据《国家适应气候变化战略2035》,结合北京市实际情况,出台了《北京市适应气候变化行动方案》。 北京市生态环境局应对气候变化处处长明登历介绍,方案提出,本市将以预防为主、主动适应,加强极端天气气候事件监测预警,提升自然生态系统、城市运行系统、社会经济系统的气候适应能力。同时,科技赋能、顺应自然,加强适应气候变化关键技术研发推广,探索基于自然的解决方案。

六 | 此外,北京市还将突出重点、试点先行,聚焦气候变化敏感脆弱领域和关键领域,以试点示范为抓手,强化适应气候变化行动。多元参与、协同适应,形成适应气候变化强大工作合力。 抓好十项任务适应气候变化 行动方案提出,本市将重点抓好十项任务,包括:完善气候变化观测预警系统,提升气候系统监测分析能力,强化极端天气气候事件预警;加强气候变化影响和风险评估,提升城市风险监测预警能力;聚焦城市功能布局、基础设施、城乡建筑、交通运输等方面,提升规划和建设管理水平;针对各区不同功能定位,分类施策,提高重点区域适应气候变化能力;围绕水资源保障等环节,强化水资源系统韧性。 同时,北京将构建气候友好型生态系统,构建市级绿道系统,提升森林生态服务功能价值;完善适应气候变化的能源综合保障方案体系,优化能源结构和区域布局,加强能源安全运行;发展抗灾能力强的都市型现代农业,提升农业生态系统服务功能;提高公共健康领域适应能力;提高灾害救援能力,建设灾害防治工程。文/北京青年报记者 王斌。
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