首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   844篇
  免费   115篇
  国内免费   24篇
安全科学   25篇
废物处理   2篇
环保管理   447篇
综合类   242篇
基础理论   73篇
环境理论   31篇
污染及防治   36篇
评价与监测   14篇
社会与环境   75篇
灾害及防治   38篇
  2024年   3篇
  2023年   15篇
  2022年   38篇
  2021年   57篇
  2020年   56篇
  2019年   63篇
  2018年   60篇
  2017年   82篇
  2016年   101篇
  2015年   71篇
  2014年   29篇
  2013年   74篇
  2012年   22篇
  2011年   41篇
  2010年   22篇
  2009年   31篇
  2008年   38篇
  2007年   31篇
  2006年   28篇
  2005年   16篇
  2004年   19篇
  2003年   11篇
  2002年   8篇
  2001年   9篇
  2000年   9篇
  1999年   8篇
  1998年   2篇
  1997年   4篇
  1996年   3篇
  1995年   5篇
  1994年   1篇
  1993年   5篇
  1991年   1篇
  1989年   1篇
  1988年   1篇
  1987年   4篇
  1986年   3篇
  1985年   2篇
  1984年   1篇
  1981年   1篇
  1980年   1篇
  1979年   3篇
  1975年   1篇
  1974年   1篇
  1968年   1篇
排序方式: 共有983条查询结果,搜索用时 828 毫秒
421.
Kristoffer Lidn 《Disasters》2019,43(Z2):S210-S229
The principle of the Protection of Civilians (PoC) in armed conflict has ethical repercussions in various actions undertaken by states and international organisations, from humanitarian relief, development aid, and peacekeeping, to warfare and military intervention. While the ethics of humanitarian intervention are instructive in this regard, most PoC practices should be conceived rather as modes of humanitarian governance across borders—from interventionist to resilience‐oriented kinds. The consequences of this for the ethics of PoC are explored in this paper, highlighting questions of power, culture, and complicity. By relating these questions to the ethical strands of solidarist and pluralist internationalism, it positions the ethics of PoC within the broader field of the ethics of world politics. Examples are drawn from recent scholarly debate on PoC efforts in war‐torn countries such as South Sudan. This analysis of the ethics of PoC reconfigures central positions in the debate on humanitarian intervention to an era of global humanitarian governance.  相似文献   
422.
近年来中国尤其是华北地区雾霾情况日趋严重.雾霾天气不仅对中国人民身体健康形成了威胁,并且在很大程度上对中国经济的正常健康发展形成了制约.本文探讨了中国雾霾的主要形成原因及雾霾对社会各方面造成的危害,根据雾霾成因分析经济产业调整的具体方式,以期优化经济产业结构,科学规划城市发展,从 源头治理雾霾,有效地促进经济产业持续健康有序的发展.  相似文献   
423.
The Phase 5.3 Watershed Model simulates the Chesapeake watershed land use, river flows, and the associated transport and fate of nutrient and sediment loads to the Chesapeake Bay. The Phase 5.3 Model is the most recent of a series of increasingly refined versions of a model that have been operational for more than two decades. The Phase 5.3 Model, in conjunction with models of the Chesapeake airshed and estuary, provides estimates of management actions needed to protect water quality, achieve Chesapeake water quality standards, and restore living resources. The Phase 5.3 Watershed Model tracks nutrient and sediment load estimates of the entire 166,000 km2 watershed, including loads from all six watershed states. The creation of software systems, input datasets, and calibration methods were important aspects of the model development process. A community model approach was taken with model development and application, and the model was developed by a broad coalition of model practitioners including environmental engineers, scientists, and environmental managers. Among the users of the Phase 5.3 Model are the Chesapeake watershed states and local governments, consultants, river basin commissions, and universities. Development and application of the model are described, as well as key scenarios ranging from high nutrient and sediment load conditions if no management actions were taken in the watershed, to low load estimates of an all‐forested condition.  相似文献   
424.
As human history is changing on many fronts, it is appropriate for us to understand the different perspectives of major global challenges, of which, water is a major priority. The water resources in urban areas are either approaching or exceeding the limits of sustainable use at alarming rates. Groundwater table depletion and increasing flood events can be easily realized in rapidly developing urban areas. It is necessary to improve existing water management systems for high-quality water and reduced hydro-meteorological disasters, while preserving our natural/pristine environment in a sustainable manner. This can be achieved through optimal collection, infiltration and storage of stormwater. Stormwater runoff is rainfall that flows over the ground surface; large volumes of water are swiftly transported to local water bodies and can cause flooding, coastal erosion, and can carry many different pollutants that are found on paved surfaces. Sustainable stormwater management is desired, and the optimal capture measure is explored in the paper. This study provides commentary to assist policy makers and researchers in the field of stormwater management planning to understand the significance and role of remote sensing and GIS in designing optimal capture measures under the threat of future extreme events and climate change. Community attitudes, which are influenced by a range of factors, including knowledge of urban water problem, are also considered. In this paper, we present an assessment of stormwater runoff management practices to achieve urban water security. For this purpose, we explored different characteristics of stormwater runoff management policies and strategies adopted by Japan, Vietnam and Thailand. This study analyses the abilities of Japanese, Vietnamese and Thai stormwater runoff management policies and measures to manage water scarcity and achieve water resiliency. This paper presents an overview of stormwater runoff management to guide future optimal stormwater runoff measures and management policies within the governance structure. Additionally, the effects of different onsite facilities, including those for water harvesting, reuse, ponds and infiltration, are explored to establish adaptation strategies that restore water cycle and reduce climate change-induced flood and water scarcity on a catchment scale.  相似文献   
425.
In this paper we explore the challenges involved in engaging the full range of stakeholders needed for effective marine resource management in the transboundary Grenadine Islands shared by the small island developing States (SIDS) of Saint Vincent and the Grenadines and Grenada. The study describes the ways stakeholders were engaged in the development of participatory geographic information systems (PGIS), both in terms of the research approach (process) and the final geodatabase (product); it illustrates how the approach provides a practical means to strengthen aspects of marine governance, particularly in a SIDS context. We found that PGIS can provide a foundation for ecosystem‐based transboundary marine governance. The advantages of this approach are two‐fold: it provides the fullest possible range of information as input for the management of marine resources and it engages the stakeholders. This engagement takes several forms: capacity to participate in research; ownership of information produced; increased stakeholder understanding; empowerment through access to information; capacity to interact with other stakeholders for information and problem‐solving; and competence to participate in actual governance processes. Lastly, we discuss considerations for other practitioners contemplating using PGIS, particularly those working in similar resource‐limited SIDS environments.  相似文献   
426.
This paper explores a fruitful convergence between the distributive and procedural dimensions of environmental justice theory and current debates in the field of development studies over capitals and capabilities, institutions, and discourse formation to shed new light on natural resource management projects in the developing world. Specifically, we document the planning and implementation of two types of water interventions in two contrasting regions: watershed development programmes in northeast India and small reservoirs in sub‐Saharan West Africa. We find that there is a contradiction between the inherently political nature of water interventions and the fact that such projects remain grounded in apolitical, technical and managerial narratives. In contrast to the new semantic of development, this depoliticization results in the near absence of attention paid to procedural (participation and empowerment) and distributive (equity) justice concerns and in local actors having to revert to covert ways to achieve their ends. A constructive dialogue between development studies and environmental justice scholars can offer a fresh look on the society‐environment nexus in the developing world.  相似文献   
427.
This paper aims to investigate factors affecting public attitude towards the siting of locally unwanted land uses (LULUs) and to explore the possible strategies to resolve such conflicts. Three questionnaire surveys were undertaken in communities with different siting experiences and socio-economic profiles. Over 750 individuals were successfully interviewed in each study district. The three communities were found to share similar risk beliefs but show variations in the level of awareness of and response to LULUs. In communities with a disproportionate share of LULUs, many residents did not trust the government in handling LULU issues and thought that the siting process was unfair. The results of the binary logistic regression analysis show that people are likely to oppose the siting of a LULU in their community if they have a negative siting experience, do not perceive the need, accord a high risk to the facility and have a low level of trust in government. The resolution strategies preferred by the public are greater public participation and effective mitigation of risks and impacts, rather than provision of compensation and incentives. All these call for policy-makers to be sensitive to local concerns, engage the public in the process, communicate risks effectively and foster trust building.  相似文献   
428.
Abstract

The aim of this paper is to use Erikson's approach to human development, and specifically generativity, as a framework by which to explore older people's experiences of environmental stewardship activities. Using data from a large qualitative study of environmental volunteers resident in the coastal fringes of Queensland, Australia, the paper provides important, illustrative, empirical support for Erikson's theory of generativity in later life. Findings suggest that older people are much more likely to connect their environmental actions with the longer-term future, and express a need to leave a lasting legacy for future generations. According to respondents, the later years are a time to contribute to the environment as part of a broader cycle of life. The environment is also an important site for intergenerational activities. Whilst the work presented here is only a small, localized study, use of Erikson's theory of human development as a framework helps demonstrate the importance of a generative response in later life.  相似文献   
429.
This article argues that climate change, seen as a socially constructed anticipation of natural disasters and a future-risk that plays out in present politics, is enabling the emergence of new modes of governance in cities of the global south. The article focuses on the process by which the city of Esmeraldas, Ecuador, developed a Climate Change Adaptation and Mitigation Strategy. Within the context of climate change adaptation, Esmeraldas mobilised new discourses, stakeholders, and planning mechanisms to address pre-existing urban planning and development limitations. This discursively enabled the municipality's ongoing governance project by leveraging resources, creating consensus, and informing practice. Climate change adaptation thus became an important mechanism for engaging with local priorities, particularly those of the most vulnerable populations, and for bridging the gap between the formal world of policymaking and the reality of life in the city, which is more often structured by informality.  相似文献   
430.
This article delineates concepts of eco-modernisation and urban sustainability (including its associated discourses), elucidating Foucault's notion of governmentality and examining select moments of contested urban governance in the neighbourhood of Old Ottawa South, in Ottawa, Ontario, Canada. It shows how intensification – a “compact city approach” to urban sustainability – as both policy and practice, serves to both discipline and regulate by “conducting the conduct” of environmental and entrepreneurial subjects. It reveals that zoning has more explicitly become a political technology (albeit a flexible one) for achieving “highest and best use” of private property, privileging intensification projects proposed by developers, through a hierarchical exercise of state power that privileges market processes, while undermining community values and priorities.  相似文献   
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号