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energy: Supply, Demand, and impacts
energy: Supply, Demand, and impacts

... (Chapter 6) means less water for hydropower production. Earlier snowmelt (Chapter 6) and shifts in the frequency of extreme events (Chapter 7) could lead to important changes to the timing of streamflow and thus reservoir storage. Climate change could also impact water-demand regimes downstream of t ...
Author's personal copy
Author's personal copy

... (NRC, 2007, 2010), in recent years, the Program has come under greater scrutiny both from those who first created it (the U.S. Congress) and from scholars who have analyzed different aspects of its design and implementation (Lambright, 1997; NRC, 2009b, 2010; Pielke, 1995). In 1992 and 2002, Congress ...
climate change and the conservation value of range
climate change and the conservation value of range

... While spring phenology is largely temperature dependent, growth cessation and bud set in the fall is mostly governed by photoperiod (B€ ohlenius et al. 2006). As tree species migrate poleward, especially into unforested areas beyond current latitudinal treelines, adjustment to the new photoperiods a ...
Building Climate Resilience in the Blue Nile/Abay Highlands: A Role
Building Climate Resilience in the Blue Nile/Abay Highlands: A Role

... across a range of development and climatic environments. For a case study in central Mali, they focused on potential climate impacts on agricultural returns, quantified in terms of changes in local and national agricultural income. The risk of declining returns was assessed using climate-driven crop ...
Climate-biosphere interactions on glacial
Climate-biosphere interactions on glacial

... climate change. Typical estimates for climate sensitivity to increased CO2 would attribute about 2C of the 6 C glacial-interglacial temperature change to different greenhouse gas concentrations [Intergovernmental Panel on Climate Change (IPCC ), 2001]. The remainder of the warming was due to a de ...
climate change at risk - WWF
climate change at risk - WWF

... disturbing and must be avoided. This is the first study of its kind to outline how the future might unfold and how specific actions taken today will craft tomorrow’s world. Strong action to ...
Climate response to dust
Climate response to dust

Geological Evidence of the Cause of Global Warming and Cooling
Geological Evidence of the Cause of Global Warming and Cooling

... forcing, and very likely that it is not due to known natural causes alone.” Curiously, they later state the “It is very unlikely that climate changes of a least the seven centuries prior to 1950 were due to variability generated within the climate system alone. A significant fraction of the reconst ...
Welcome to Nevada
Welcome to Nevada

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Introduction: Humidity and Climate Change
Introduction: Humidity and Climate Change

... the atmosphere. Since the late 18th Century, measurements by thermometers and other surface instruments on land have been available along with measurements made by ships. After the Second World War, balloon-based sounding of the free atmosphere began and finally, since the 1970s satellites have also ...
Eurasian Arctic greening reveals teleconnections and the potential
Eurasian Arctic greening reveals teleconnections and the potential

... agreement between tall shrub NDVI and that of all other functional units in which we classified our study areas (Supplementary Fig. S6a,b). Dwarf, upland low shrub areas subject to heavy grazing pressure presented the same variability and similar (even higher) maximum NDVI values than tall, ungrazed ...
The dynamics of vulnerability: why adapting to climate variability climate change
The dynamics of vulnerability: why adapting to climate variability climate change

... climate change. While such actions indeed may be no regrets in terms of addressing well-known vulnerabilities in our current climate, there is no guarantee that these decisions will be sufficient for reducing vulnerability or building resilience to climate change. It is possible of course that curre ...
Sub-Theme 2
Sub-Theme 2

... by the scientists all over the world. To understand, how climate change will influence over the longterm the risk landscape that governments, businesses and citizens need to prepare for, it needs to be weighed against other major trends influencing our exposure to these hazards and threats and our c ...
The Framing of Fossil Fuels and Climate Change
The Framing of Fossil Fuels and Climate Change

... of the community rather than just a commodity, those people were not in the majority. The “environmental movement” didn’t really begin until the 20th century, and only in recent years has the environment, and more specifically climate change, become a mainstream issue both politically and socially. ...
Influence of feedback on the stochastic evolution of simple climate systems
Influence of feedback on the stochastic evolution of simple climate systems

... from fast atmospheric circulation on a daily or weekly time scale to slow, largescale ocean circulation that varies on time scales of centuries to millennia. It is also greatly influenced by feedback mechanisms that include variations in polar ice-cap extent, desertification, water vapour concentratio ...
njpn-environment-group-notes-dates-and-resources-september-2016
njpn-environment-group-notes-dates-and-resources-september-2016

... future’. It will be held at Southwark’s Anglican Cathedral and is organised by The Climate Change Collaboration, Operation Noah and Quaker Peace & Social Witness. http://www.indcatholicnews.com/news.php?viewStory=31069 Climate Change An interfaith symposium was held at St. John’s, Waterloo, on 21 Se ...
Consultancy for Development of Nationally Appropriate mitigation
Consultancy for Development of Nationally Appropriate mitigation

... without the NAMA, Monitoring plan - NAMA indicators and parameters, Management plan, Phased financial structure and Reporting plan. 2. Terms of Reference for Consultant ...
Supreme Court of United States
Supreme Court of United States

... The views expressed herein are those of the Cato Institute and the individual law professor amici. These views do not necessarily represent the views of amici law professors’ employers or any other group or organization with which they may be affiliated. ...
(projdoc).
(projdoc).

... PROBLEM TREE ANALYSIS The members of CCN-Nigeria participated in a problem tree analysis to further identify the immediate and underlying causes of these problems. They identified one problem statement as follows: Problem 1: There is low response of climate change vulnerability, mitigation and adapt ...
Physiological Basis of Climate Change Impacts on North American
Physiological Basis of Climate Change Impacts on North American

... and potential effects of climate change on the physiology of freshwater and diadromous fishes and to illustrate how these physiological responses have implications for parameters of interest to fishery scientists and managers, including survival, behavior, growth, and reproduction. We focus on lenti ...
Developing adaptive forest management strategies to cope with
Developing adaptive forest management strategies to cope with

... to include management activities, because many forests, particularly in Europe, have been managed intensively over several hundred years. Lindner (1998) extended a forest gap model to include regional analyses of the impacts of climate change in managed forests of Central Europe. First applications ...
The economic impact of climate change on road infrastructure in sub
The economic impact of climate change on road infrastructure in sub

... According to the United Nations Framework Convention on Climate Change (UNFCCC 2007), climate change is a change in climate attributed directly or indirectly to human activity that alters the composition of the global atmosphere and which in addition to natural climate variability is observed over c ...
Influences of Ozone Layer Depletion ande Climate Change on UV
Influences of Ozone Layer Depletion ande Climate Change on UV

... Effectiveness of oral vitamin D supplements, and the health effects of very high vitamin D status are both unclear Environmental Effects Assessment Panel ...
Climate counseling – new governance in Swedish agriculture
Climate counseling – new governance in Swedish agriculture

... the outcome of policy (e.g., Gouldson et al., 2008). An example of policy instruments that could meet this description is the provision of advice and information (Steurer, 2011; Taylor et al., 2012). Those subject to such policy participate in an exchange of knowledge and information and are not com ...
Is co-producing science for adaptation decision
Is co-producing science for adaptation decision

... producing climate scenarios/projections (Hulme & Dessai 2008). Earliest examples CCIRG91 and CCIRG96 - were aimed primarily at the research community and policymakers. But once the Government initiated the United Kingdom's Climate Impacts Programme (UKCIP) a boundary organization based at the Unive ...
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Scientific opinion on climate change



The scientific opinion on climate change is the overall judgment amongst scientists about whether global warming is happening, and if so, its causes and probable consequences. This scientific opinion is expressed in synthesis reports, by scientific bodies of national or international standing, and by surveys of opinion among climate scientists. Individual scientists, universities, and laboratories contribute to the overall scientific opinion via their peer-reviewed publications, and the areas of collective agreement and relative certainty are summarised in these high level reports and surveys.The scientific consensus is that the Earth's climate system is unequivocally warming, and that it is extremely likely (at least 95% probability) that humans are causing most of it through activities that increase concentrations of greenhouse gases in the atmosphere, such as deforestation and burning fossil fuels. In addition, it is likely that some potential further greenhouse gas warming has been offset by increased aerosols.National and international science academies and scientific societies have assessed current scientific opinion on global warming. These assessments are generally consistent with the conclusions of the Intergovernmental Panel on Climate Change, the IPCC Fourth Assessment Report summarized:Warming of the climate system is unequivocal, as evidenced by increases in global average air and ocean temperatures, the widespread melting of snow and ice, and rising global average sea level.Most of the global warming since the mid-20th century is very likely due to human activities.Benefits and costs of climate change for [human] society will vary widely by location and scale. Some of the effects in temperate and polar regions will be positive and others elsewhere will be negative. Overall, net effects are more likely to be strongly negative with larger or more rapid warming.The range of published evidence indicates that the net damage costs of climate change are likely to be significant and to increase over time.The resilience of many ecosystems is likely to be exceeded this century by an unprecedented combination of climate change, associated disturbances (e.g. flooding, drought, wildfire, insects, ocean acidification) and other global change drivers (e.g. land-use change, pollution, fragmentation of natural systems, over-exploitation of resources).Some scientific bodies have recommended specific policies to governments and science can play a role in informing an effective response to climate change, however, policy decisions may require value judgements and so are not included in the scientific opinion.No scientific body of national or international standing maintains a formal opinion dissenting from any of these main points. The last national or international scientific body to drop dissent was the American Association of Petroleum Geologists, which in 2007 updated its statement to its current non-committal position. Some other organizations, primarily those focusing on geology, also hold non-committal positions.
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