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Ecosystem-based Disaster Risk Reduction
Ecosystem-based disaster risk reduction (Eco-DRR) is based on disaster risk reduction (DRR) and the purpose of Eco-DRR is to prevent and reduce disasters by utilizing ecosystems. Eco-DRR is to maintain ecosystems and ecosystem services, to use them as buffer zones and buffers for dangerous natural phenomena, and to provide humans and local communities with functions such as food and water supply. Eco-DRR is closely related to Ecosystem-based adaptation (EbA), approaches to adapt to climate change. They all involve the management of ecosystems and their services to reduce the vulnerability of human communities to the impacts of climate change. Evidence suggests that many ecosystems can benefit from sustainable, multi-factored strategies for Eco-DRR. However, disaster risk reduction research has tended to focus on urban areas of the Global North. More research is needed in coastal, dryland and watershed areas and the Global South. See also * Climate change adaptation Climat ...
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Disaster Risk Reduction
Disaster risk reduction aims to make disasters less likely to happen. The approach, also called DRR or disaster risk management, also aims to make disasters less damaging when they do occur. DRR aims to make communities stronger and better prepared to handle disasters. In technical terms, it aims to make them more resilient or less vulnerable. When DRR is successful, it makes communities less the vulnerable because it mitigates the effects of disasters. This means DRR can make risky events fewer and less severe. Climate change can increase climate hazards. So development efforts often consider DRR and climate change adaptation together. It is possible to include DRR in almost all areas of development and Humanitarian aid">humanitarian work. People from local communities, agencies or federal governments can all propose DRR strategies. DRR policies aim to "define goals and objectives across different timescales and with concrete targets, indicators and time frames." There are so ...
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Ecosystem Services
Ecosystem services are the various benefits that humans derive from Ecosystem, ecosystems. The interconnected Biotic_material, living and Abiotic, non-living components of the natural environment offer benefits such as pollination of crops, clean air and water, decomposition of wastes, and flood control. Ecosystem services are grouped into four broad categories of services. There are ''provisioning services'', such as the production of food and water; ''regulating services'', such as the control of climate and disease; ''supporting services'', such as nutrient cycles and oxygen production; and ''cultural services'', such as recreation, tourism, and spiritual gratification. Evaluations of ecosystem services may include assigning an economic value to them. For example, Estuary, estuarine and coastal ecosystems are marine ecosystems that perform the four categories of ecosystem services in several ways. Firstly, their provisioning services include marine resources and genetic resource ...
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Ecosystem-based Adaptation
Ecosystem-based adaptation (EBA or EbA) encompasses a broad set of approaches to Climate change adaptation, adapt to climate change. They all involve the Ecosystem management, management of ecosystems and their services to reduce the vulnerability of human communities to the Effects of global warming, impacts of climate change. The Convention on Biological Diversity (CBD) defines EBA as "the use of biodiversity and ecosystem services as part of an overall adaptation strategy to help people to adapt to the adverse Effects of climate change on humans, effects of climate change".CBD (2009). Connecting Biodiversity and Climate Change Mitigation and Adaptation: Report of the Second Ad Hoc Technical Expert Group on Biodiversity and Climate Change. Montreal, Technical Series No. 41, 126 pages. EbA involves the Habitat conservation, conservation, Ecosystem management, sustainable management and Restoration ecology, restoration of ecosystems, such as forests, grasslands, wetlands, mangroves ...
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Global North
Global North and Global South are terms that denote a method of grouping countries based on their defining characteristics with regard to socioeconomics and Global politics, politics. According to UN Trade and Development (UNCTAD), the Global South broadly comprises Africa, Latin America and the Caribbean, Asia (excluding Israel, Japan, and South Korea), and Oceania (excluding Australia and New Zealand). Most of the Global South's countries are commonly identified as lacking in their standard of living, which includes having Gross national income, lower incomes, high levels of poverty, high Population growth#Population growth rate, population growth rates, inadequate housing, limited educational opportunities, and deficient health systems, among other issues. Additionally, these countries' cities are characterized by their Infrastructure#In the developing world, poor infrastructure. Opposite to the Global South is the Global North, which the UNCTAD describes as broadly comprising ...
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Dryland
Drylands are defined by a scarcity of water. Drylands are zones where precipitation is balanced by evaporation from surfaces and by transpiration by plants (evapotranspiration). The United Nations Environment Program defines drylands as tropical and temperate areas with an aridity index of less than 0.65."Millennium Ecosystem Assessment, 2005. Drylands Systems". Chapter 22 in: ''Ecosystems and Human Wellbeing: Current State and Trends'', Volume 1. Island Press. Drylands can be classified into four sub-types: * Dry sub-humid lands * Semi-arid lands * Arid lands * Hyper-arid lands Some authorities regard hyper-arid lands as deserts (United Nations Convention to Combat Desertification) although a number of the world's deserts include both hyper-arid and arid climate zones. The UNCCD excludes hyper-arid zones from its definition of drylands. Drylands cover 41.3% of the Earth's land surface, including 15% of Latin America, 66% of Africa, 40% of Asia, and 24% of Europe. There is a si ...
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Drainage Basin
A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, made up of a succession of elevated features, such as ridges and hills. A basin may consist of smaller basins that merge at river confluences, forming a hierarchical pattern. Other terms for a drainage basin are catchment area, catchment basin, drainage area, river basin, water basin, and impluvium. In North America, they are commonly called a watershed, though in other English-speaking places, " watershed" is used only in its original sense, that of the drainage divide line. A drainage basin's boundaries are determined by watershed delineation, a common task in environmental engineering and science. In a closed drainage basin, or endorheic basin, rather than flowing to the ocean, water converges toward the ...
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Global South
Global North and Global South are terms that denote a method of grouping countries based on their defining characteristics with regard to socioeconomics and politics. According to UN Trade and Development (UNCTAD), the Global South broadly comprises Africa, Latin America and the Caribbean, Asia (excluding Israel, Japan, and South Korea), and Oceania (excluding Australia and New Zealand). Most of the Global South's countries are commonly identified as lacking in their standard of living, which includes having lower incomes, high levels of poverty, high population growth rates, inadequate housing, limited educational opportunities, and deficient health systems, among other issues. Additionally, these countries' cities are characterized by their poor infrastructure. Opposite to the Global South is the Global North, which the UNCTAD describes as broadly comprising Northern America and Europe, Israel, Japan, South Korea, Australia, and New Zealand. Consequently the two groups do n ...
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Climate Change Adaptation
Climate change adaptation is the process of adjusting to the effects of climate change, both current and anticipated.IPCC, 2022Annex II: Glossary[Möller, V., R. van Diemen, J.B.R. Matthews, C. Méndez, S. Semenov, J.S. Fuglestvedt, A. Reisinger (eds.)]. InClimate Change 2022: Impacts, Adaptation and Vulnerability. Contribution of Working Group II to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change[H.-O. Pörtner, D.C. Roberts, M. Tignor, E.S. Poloczanska, K. Mintenbeck, A. Alegría, M. Craig, S. Langsdorf, S. Löschke, V. Möller, A. Okem, B. Rama (eds.)]. Cambridge University Press, Cambridge, UK and New York, NY, USA, pp. 2897–2930, Adaptation aims to moderate or avoid harm for people, and is usually done alongside climate change mitigation. It also aims to exploit opportunities. Humans may also intervene to help adjust for natural systems. There are many adaptation strategies or options. For instance, building hospitals that can withstand natural ...
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Climate Change Mitigation
Climate change mitigation (or decarbonisation) is action to limit the greenhouse gases in the atmosphere that cause climate change. Climate change mitigation actions include energy conservation, conserving energy and Fossil fuel phase-out, replacing fossil fuels with sustainable energy, clean energy sources. Secondary mitigation strategies include changes to land use and carbon sequestration, removing carbon dioxide (CO2) from the atmosphere. Current climate change mitigation policies are insufficient as they would still result in global warming of about 2.7 °C by 2100, significantly above the 2015 Paris Agreement's goal of limiting global warming to below 2 °C. Solar energy and wind power can replace fossil fuels at the lowest cost compared to other renewable energy options.IPCC (2022Summary for policy makersiClimate Change 2022: Mitigation of Climate Change. Contribution of Working Group III to the Sixth Assessment Report of the Intergovernmental Panel on Climate ...
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Disaster Risk Reduction
Disaster risk reduction aims to make disasters less likely to happen. The approach, also called DRR or disaster risk management, also aims to make disasters less damaging when they do occur. DRR aims to make communities stronger and better prepared to handle disasters. In technical terms, it aims to make them more resilient or less vulnerable. When DRR is successful, it makes communities less the vulnerable because it mitigates the effects of disasters. This means DRR can make risky events fewer and less severe. Climate change can increase climate hazards. So development efforts often consider DRR and climate change adaptation together. It is possible to include DRR in almost all areas of development and Humanitarian aid">humanitarian work. People from local communities, agencies or federal governments can all propose DRR strategies. DRR policies aim to "define goals and objectives across different timescales and with concrete targets, indicators and time frames." There are so ...
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Emergency Management
Emergency management (also Disaster management) is a science and a system charged with creating the framework within which communities reduce vulnerability to hazards and cope with disasters. Emergency management, despite its name, does not actually focus on the management of emergencies; emergencies can be understood as minor events with limited impacts and are managed through the day-to-day functions of a community. Instead, emergency management focuses on the management of disasters, which are events that produce more impacts than a community can handle on its own. The management of disasters tends to require some combination of activity from individuals and households, organizations, local, and/or higher levels of government. Although many different terminologies exist globally, the activities of emergency management can be generally categorized into preparedness, response, mitigation, and recovery, although other terms such as disaster risk reduction and prevention are also ...
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International Day For Disaster Reduction
International Day for Disaster Risk Reduction (IDDRR) is an international day that encourages every citizen and government to take part in building more disaster-resilient communities and nations. The United Nations General Assembly designated October 13 as International Day for Natural Disaster Reduction as part of its proclamation of International Decade for Natural Disaster Reduction. In 2002, by a further resolution, the General Assembly decided to maintain the annual observance as a vehicle to promote a global culture of natural disaster reduction, including prevention, mitigation, and preparedness. In 2009, the UN General Assembly decided to designate October 13 as the official date for this day, and also changed the name to International Day for Disaster Reduction. The word ''risk'' was added to the name later. The day can provide an opportunity for the media to highlight the subject of disaster recovery planning. In 2023 The Daily Star in Bangladesh included a relev ...
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