搜索结果: 16-30 共查到“国际动态 大气污染防治工程”相关记录71条 . 查询时间(1.421 秒)
Relocating bus stops would cut riders’ pollution exposure,UCLA study finds（图）
Relocating bus stops cut riders pollution exposure UCLA
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2017/11/23
Moving bus stops away from intersections would substantially reduce the amount of pollution bus riders are exposed to, UCLA scientists report today in the journal Environmental Pollution.Research has ...
Beyond EPA's Clean Power decision:Climate action window could close as early as 2023（图）
Beyond EPA Clean Power decision Climate action window close as early as 2023
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2017/10/25
As the Trump administration repeals the U.S. Clean Power Plan, a new study from the University of Michigan underscores the urgency of reducing greenhouse gas emissions—from both environmental and econ...
欧盟联合研究中心（JRC）近日公布了对多瑙河大区域空气污染的一项研究结果。结果显示，该区域主要城市的PM2.5污染来源中，住宅供暖占到35％，其次是农业（32％）、能源生产/工业（30％）和交通（25％）。为增强该区域空气污染治理的有效性，需要整合能源、交通等部门的政策和相关体制机制。
Brake Dust May Cause More Problems Than Blackened Wheel Covers
Brake Dust Blackened Wheel Covers
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2017/3/14
Though tailpipe emissions could fall in the years ahead as more zero-emission vehicles hit the streets, one major source of highway air pollution shows no signs of abating: brake and tire dust.Metals ...
Concurrent heat waves,air pollution exacerbate negative health effects of each
Concurrent heat waves air pollution exacerbate negative health
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2017/3/14
The combination of prolonged hot spells with poor air quality greatly compounds the negative effects of each and can pose a major risk to human health, according to new research from the University of...
新一代光敏二氧化钛复合材料应对大气污染
氮氧化物 大气污染 光敏二氧化钛 复合材料
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2016/12/14
氮氧化物是现代城市大气污染物的最主要来源，光敏二氧化钛（TiO2）复合材料自上世纪90年代中期问世以来，以其能将大气氮氧化物催化氧化成无毒无害硝酸盐的独特功能，在欧盟范围内得到快速的商业化应用。混合约4%比例光敏复合材料的混凝土涂层技术，不仅具备自清洁功能，还可有效吸附大气中高达80%以上的氮氧化物，被广泛应用于建筑和道路等公共基础设施建设领域，以应对大气污染。但高浓度大气污染往往伴随着严重的雾霾...
欧洲研究发现洁净大气中也能形成气溶胶
欧洲 洁净大气 气溶胶
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2016/6/2
两项独立研究发现，即便在没有硫酸污染的洁净大气中也能形成气溶胶。该发现提出了一种气溶胶形成新机制，打破了“化石燃料排放是形成大气气溶胶必要条件”这一传统理论，人类活动对气候变化的影响或将因此面临重估。大气气溶胶是大气中固态和液态悬浮颗粒物的总称，根据构成可分为沙尘气溶胶、碳气溶胶、硫酸盐气溶胶等。在大气科学研究中，常用气溶胶代指大气颗粒物。气溶胶不仅影响人类健康，还与大气能见度、降水、辐射以及云、...
Oxygen Key to Containing Coal Ash Contamination
Oxygen Coal Ash Contamination
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2016/4/25
As energy companies decide what to do with aging coal ash disposal facilities in North Carolina and across the nation, they may be overlooking a fundamental but potentially critical variable—oxygen.In...
Fires Burning in Africa & Asia Cause High Ozone in Tropical Pacific（图）
Fires Burning Africa Asia High Ozone Tropical Pacific
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2016/1/22
While efforts to limit ozone precursor emissions tend to focus on industrial activities and fossil fuel combustion in the United States and China, a new University of Maryland-led study suggests that ...
Atmospheric mysteries unraveling
Atmospheric mysteries unraveling
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2015/7/13
It’s been difficult to explain patterns of toxic mercury in some parts of the world, such as why there’s so much of the toxin deposited into ecosystems from the air in the southeastern United States, ...
Reduced rainfall in the northern tropics linked to industrial emissions, research suggests
Reduced rainfall northern tropics linked industrial emissions research suggests
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2015/3/4
Scientists have produced a rainfall record strongly suggesting that man-made industrial emissions have contributed to less rainfall in the northern tropics.
The research team, led by experts at Durha...
Ozone levels drop 20 percent with switch from ethanol to gasoline
Ozone levels drop 20 percent with switch from ethanol to gasoline
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2014/5/13
Choice at the pump. When residents of São Paulo chose gasoline over ethanol to fuel their vehicles, levels of ozone actually decreased, according to a Northwestern study.
2013年10月31日，欧盟联合研究中心（JRC）和荷兰环境评估机构（PBL），以欧委会名义联合推出2012年全球二氧化碳（CO2）排放报告。报告数据显示，2012年全球二氧化碳排放总量为345亿吨，达到新的世界记录。2012年同2011年相比，全球二氧化碳排放增速为1.1%，明显低于过去10年的平均增速2.9%。2012年，全球经济同比增长3.5%，而天然气消费增速2.2%（美国为最大的天然气生...
世界卫生组织（WHO）与欧盟联合研究中心（TRC），以及欧洲环境署（EEA）共同成立的国际专家小组，经过2年时间的噪音污染环境暴露（Exposome）研究，研究结果于2012年12月14日正式对外发布。研究报告建立的噪音污染影响心血管疾病和睡眠障碍的计算模型，将成为泛欧洲国家和地方政府未来采取噪音污染防范措施的指导原则。