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NEW SEMINAR - IUCN Academy of Environmental Law
NEW SEMINAR - IUCN Academy of Environmental Law

... e-mailed to Professor Halvorssen at least two days before the presentation (penalties apply if late). Following the student-led portion of the class, the instructor will then facilitate further discussion or lecture. All students must do all the readings (the readings listed are meant as a ...
Cycling of Matter
Cycling of Matter

... amounts of carbon in each store and the length of time that carbon remains in each store. When humans burn fossil fuels, these carbon compounds are released into the atmosphere in much larger amounts and in a much shorter time period than they would be naturally. As a result, carbon compounds build ...
Abstract
Abstract

... scales; scales which begin to appear relevant for practical adaptation decision making. It is not surprising therefore, that in recent years they have begun to be used not just for research and process understanding but also for climate prediction on these scales. It is in this context that it is u ...
you need to know - A
you need to know - A

... 20) What is the greenhouse effect? 21) Which gases are responsible for the greenhouse effect? 22) How do these gases cause the greenhouse effect? 23) Which two factors determine the contribution of a given gas to the greenhouse effect? 24) What is climate change? 25) Why is it important that we cont ...
view powerpoint presentation [PDF 1882KB]
view powerpoint presentation [PDF 1882KB]

... • Allen Kneese at Resources for the Future, often regarded as the father of environmental economics and winner of the first Volvo Environmental Prize, was the first prominent economist to look at climate issues • Kneese starts using carbon dioxide as the example of a global externality in mid to lat ...
South Pole Company Presentation
South Pole Company Presentation

... This report is solely for the use of client personnel. No part of it may be circulated, quoted, or reproduced for distribution outside the client organization without prior written approval from South Pole Carbon Asset Management Ltd. This material was used by South Pole Carbon Asset Management Ltd ...
Monsoon environments and the impacts of climate variability and
Monsoon environments and the impacts of climate variability and

... To cover these various themes, PROMISE involves partners from the seasonal prediction and climate modelling communities, as well as specialists in modelling ground hydrology, river flows and crop productivity and who have particular expertise in the semi-arid tropics. The research exploits existing ...
Fighting the Waves: The Effect of North Polar Ice Cap Melt on Florida
Fighting the Waves: The Effect of North Polar Ice Cap Melt on Florida

... Worldwide Consequences of the Warming Arctic As greenhouse gases increase in the atmosphere, snow and ice in the Arctic form later in the fall and melt earlier in the spring. As a result, there is less snow to reflect the sun’s rays and more dark space (land and water) to absorb energy from the sun. ...
2: A Primer on Climate Change
2: A Primer on Climate Change

... average interglacial levels and 75 percent above the level during the last glacial maximum (37). Likewise, the atmospheric concentration of methane is increasing more than 400 times natural rates of variability (13a, 37). Other greenhouse gases— chlorofluorocarbons (CFCs) and halons--are synthetic c ...
HERE - Greenaction
HERE - Greenaction

... rise. Agenda items included the history of pollution and environmental racism and injustice in BVHP, what is climate change and its causes, impacts, and the implications of sea level rise in Bayview Hunters Point. Participants also gained awareness of their own impacts contributing to climate change ...
US National Climate Change Assessment on Forest Ecosystems: An
US National Climate Change Assessment on Forest Ecosystems: An

... Climate and land use are the two major factors controlling biological diversity. Species richness generally increases with increasing air temperature and precipitation. As the climate changes during the next century, biological diversity also will change, favoring some species and geographic areas o ...
Media Release
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... ***Strictly embargoed until 29 June 2016 at **** 1800 London time / 1300 US Eastern Time *** Issued by the Centre for Ecology & Hydrology, UK UK wildlife calendar reshuffled by climate change Climate change is already reshuffling the UK’s wildlife calendar, and it’s likely this will continue into th ...
ocean heat content
ocean heat content

... and Antarctica. Is this acceleration sustained or is it a transient? ...
In a region already characterized by high variability in the current
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... represents an additional stress for society, economic sectors and natural environments. This changing risk profile will have an effect on the outcome of a wide range of decisions affecting individual, societal and economic well-being. In order to plan effectively for the future, decision-makers must ...
Human Impact - WHS Biology
Human Impact - WHS Biology

... earth and converted into heat energy. • The earth releases the energy • Greenhouse gases in the atmosphere absorb the heat energy from the earth and re-radiate it in all directions Without it, all that heat energy would escape into space. There would be no life on earth. All water would be frozen. M ...
Climate change refers to any significant change in measures of
Climate change refers to any significant change in measures of

... average temperature of the Earth's near-surface air and oceans. Climate change increases these hazards by worsening air quality, stimulating more extreme weather events, creating conditions that favor increases in food-borne, water-borne and vector-borne infections, and enhancing heat stress conditi ...
Summer - Southeast Regional Climate Center
Summer - Southeast Regional Climate Center

... in your yard at home, and by conserving and recycling paper. Desertification is the process of making or expanding deserts. While most desertification occurs in areas that are already dry and difficult to cultivate, these regions are transformed into arid, unproductive environments by climate change ...
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WHY:do soil microbes matter? becaUse:crops WoUld not groW, and

... many tasks, and are central to crop fertility, purifying the environment from pollutants, regulating carbon storage stocks and production/consumption of many significant green house gases, such as methane and nitrous oxides. The economic valuation of soils is in a large part due to soil microbial po ...
Regime diagram
Regime diagram

...  Yoden (1987a,b,c) stratospheric sudden warmings (SSWs)  Yoden and Holton (1988) quasi-biennial oscillation (QBO)  Yoden (1990) seasonal march in NH and SH ...
FOUR CHALLENGES FACING INFRASTRUCTURE
FOUR CHALLENGES FACING INFRASTRUCTURE

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URGENT ACTION ALERT U.S. House of Representatives to Vote on
URGENT ACTION ALERT U.S. House of Representatives to Vote on

... of January, 2011, new or substantially renovated major stationary sources of air pollution – such as power plants or refineries – would be required to use the best technology available to reduce harmful emissions, including “greenhouse gases” which are responsible for climate change. It is estimated ...
Climate change: the challenges for public health and
Climate change: the challenges for public health and

... around the globe, for example, melting glaciers, rising sea levels, stronger storms, higher floods, less snow in the north and more drought in the south. Africa is one of the most vulnerable regions in the world to climate change. Change challenges were highlighted in Climate Change 2001, the Third ...
AGU - Global Heat Flow Database
AGU - Global Heat Flow Database

... climate forcing is difficult because the composite temperature signal in the meteorological and multiproxy temperature records cannot be resolved directly into radiative forcing components. To address this problem, we have initiated a large-scale, multidisciplinary project to test coherence between ...
New Zealand Earthquakes
New Zealand Earthquakes

... • Large mountain ranges like Andes/Tibet affect climate ...
Climate Change and Variability over India : Observations, Modelling
Climate Change and Variability over India : Observations, Modelling

... Skill depends on the level of our understanding of the physical, geophysical, chemical and biological processes that govern the climate system Substantial improvements over the last two decades Sub-models : atmosphere, ocean, land surface, cryosphere, biosphere Typical Resolution of global models (a ...
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Climate change feedback



Climate change feedback is important in the understanding of global warming because feedback processes may amplify or diminish the effect of each climate forcing, and so play an important part in determining the climate sensitivity and future climate state. Feedback in general is the process in which changing one quantity changes a second quantity, and the change in the second quantity in turn changes the first. Positive feedback amplifies the change in the first quantity while negative feedback reduces it.The term ""forcing"" means a change which may ""push"" the climate system in the direction of warming or cooling. An example of a climate forcing is increased atmospheric concentrations of greenhouse gases. By definition, forcings are external to the climate system while feedbacks are internal; in essence, feedbacks represent the internal processes of the system. Some feedbacks may act in relative isolation to the rest of the climate system; others may be tightly coupled; hence it may be difficult to tell just how much a particular process contributes. Forcings, feedbacks and the dynamics of the climate system determine how much and how fast the climate changes. The main positive feedback in global warming is the tendency of warming to increase the amount of water vapor in the atmosphere, which in turn leads to further warming. The main negative feedback comes from the Stefan–Boltzmann law, the amount of heat radiated from the Earth into space changes with the fourth power of the temperature of Earth's surface and atmosphere.Some observed and potential effects of global warming are positive feedbacks, which contribute directly to further global warming. The Intergovernmental Panel on Climate Change's (IPCC) Fourth Assessment Report states that ""Anthropogenic warming could lead to some effects that are abrupt or irreversible, depending upon the rate and magnitude of the climate change.""
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