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Changes in El Niño and La Niña teleconnections over North Pacific
Changes in El Niño and La Niña teleconnections over North Pacific

... response in the tropical Pacific, thus indicating that SST over the central and eastern equatorial Pacific warms more than western equatorial and off equatorial Pacific, with a corresponding mean eastward shift of precipitation (e.g. Knutson and Manabe 1995, 1998; Meehl and Washington 1996; Cane et ...
White House Climate Took Kit - Superior Watershed Partnership
White House Climate Took Kit - Superior Watershed Partnership

... and disaster preparedness and recovery; understanding and acting on the economics of resilience; and building capacity. This approach ensures that the recommendations reflect the diversity of needs across the country and within each community, ranging from health to natural resources management to i ...
Extended Abstract
Extended Abstract

... relationship between the third and fifth step also remains unchanged whether the index based on soil moisture data or monthly precipitation data. The third step of the mCEI was calculated for three drought indicators of different time scales (PDSI, Palmer Hydrological Drought Index, and Z-Index), on ...
8. Human Health
8. Human Health

... episodes, cases of malaria, malnutrition and deaths in natural disasters). Existing and new models were used to quantify the effect of climate variations on each of these outcomes (the relative risk), taking into account adaptation to changing conditions and potentially protective effects of socio-e ...
as PDF
as PDF

... University of New Brunswick Canada In its fourth assessment report published in spring 2007, leading scientists on the Intergovernmental Panel for Climate Change (IPCC) reached consensus that human activity is responsible for many observed climate changes, particularly the warming temperatures of th ...
2008 4 7 Kristen Miller Report
2008 4 7 Kristen Miller Report

... Scientific assessment of emission levels that will keep the planet under the threshold of runaway and dangerous climate change (currently thought to be 2 degrees C above preindustrial levels) should be the driver for setting budgets. Early reductions in carbon emissions must be prioritised above red ...
Mobility choices and climate change
Mobility choices and climate change

... • Injunctive norm (IN) – “The high level of greenhouse gas emissions in the atmosphere (such as CO2) can cause dangerous climate change for the planet. Climatologists are already seeing many consequences such as melting glaciers or ice field. According to scientists, to limit these effects it is nec ...
Document
Document

... act will have serious local and global security implications. Most solutions are readily available, but governments must now adopt policies to implement them. Not only is the economic cost of doing so manageable, tackling climate change also brings considerable benefits in other respects. The EU's o ...
FH Research Branch
FH Research Branch

... to whitebark pine. A three-day workshop was held in Whistler to discuss research efforts in whitebark pine genetics, ecology and developments in restoration activities. (Elizabeth Campbell) Field testing the climate change range-shift predictions for whitebark pine . Seeds from 7 populations are bei ...
The role of influx of Arctic surface waters into the Norwegian Sea on
The role of influx of Arctic surface waters into the Norwegian Sea on

Climate Change Adaptation Spatial Planning and Landbased
Climate Change Adaptation Spatial Planning and Landbased

... It has an integrated energy production and supply system with well-diversified sources of energy, including renewable energies. It is a veritable European sea macroregion, which demonstrates an integrated land and sea-space planning and management. The Baltic Sea is acknowledged as a common asset an ...
Public Perception of Climate Change in a Period of Economic Crisis
Public Perception of Climate Change in a Period of Economic Crisis

... Do you think that Greece will be affected by a sea level rise? Do you think that Greece will be affected by a reduction in arable land or desertification? Do you think that Greece will be affected by a destruction of ecosystems? Do you trust national government agencies to tackle climate change? Do ...
The Impacts of Climate Change on London
The Impacts of Climate Change on London

... its centre is several degrees higher than at its edges; this is because London is a fairly dense, urban settlement and heat emitted from buildings and the characteristics of the airflow contribute to this temperature profile. ...
Response to consultation on Climate Change Bill Scotland
Response to consultation on Climate Change Bill Scotland

... Climate Change (and probably less ambitious than the Government’s proposed minimum CO2 reduction of 26% by 2020). Although it would be necessary to build a new process for securing this ‘additional’ level of emissions reduction there is no preventative barrier to achieving this. Indeed, there are st ...
Web System Development Literature Review
Web System Development Literature Review

... diseases world wide (e.g. Hunter 2003; Kovats et al. 2003; Nakhapakorn and Tripathi 2005; Patrick et al. 2004; Lindsay et al. 2002; Jetten and Focks 1997). A few of these use Geographic Information System (GIS) functionalities for spatial analysis processes (e.g. Kolivras 2006; Depradine and Lovell ...
Antarctic Climate Change Report Card
Antarctic Climate Change Report Card

... The predictions about how climate change will affect Antarctica have grown increasingly serious. The recent meeting of the United Nations Framework Convention on Climate Change (UNFCCC) indicated that policymakers may finally have appreciated the need for action to prevent further increases in warmi ...
The Impacts of Climate Change on London
The Impacts of Climate Change on London

... London is protected from major flooding by a combination of tidal defences (the Thames Barrier and associated sea defence system), and river defences upstream of the Barrier. The current flood defence standard for the tidal defences is estimated to be about a 2000 to 1 chance of flooding in any year ...
Air Pollution, Climate Disruption, and Ozone Depletion
Air Pollution, Climate Disruption, and Ozone Depletion

... • People in such cities, especially during winter, were exposed to industrial smog consisting mostly of an unhealthy mix of sulfur dioxide, suspended droplets of sulfuric acid, and a variety of suspended solid particles in outside air. Those burning coal inside their homes were exposed to dangerous ...
Climate Change Impacts on U.S. Coastal and Marine Ecosystems
Climate Change Impacts on U.S. Coastal and Marine Ecosystems

... Within the next 25 years, the coastal population is likely to increase by approximately 25%, or by 18 million people, with most of the growth occurring in the already crowded states of California, Florida, Texas, and Washington (Boesch et al. 2000). Population growth increases demand for coastal and ...
Environmental Science and Technology for Public Policy Norberg
Environmental Science and Technology for Public Policy Norberg

... •IPCC 1990: The observed increase [in temperatures] could be largely due to natural variability; alternatively this variability and other man-made factors could have offset a still larger man-made greenhouse warming. •IPCC 1995: The balance of evidence suggests a discernible human influence on globa ...
Social and cultural issues raised by climate change in Pacific Island
Social and cultural issues raised by climate change in Pacific Island

... The impacts indicated in Table 1 could be even worse if the global climate system passes certain ‘tipping points’ where abrupt changes occur, such as irreversible melting of the Greenland ice shelf or bulk release of methane from permafrost regions. The increases in temperature required for this to ...
Global Challenges - Part 3
Global Challenges - Part 3

... In topics C6.3a – b learners will be looking into how the composition of the atmosphere has changed over time, from its first formation to the present day. This section, whilst largely stand-alone, will help with understanding of what processes can change the composition of the atmosphere. It is imp ...
Feng et al (2009)
Feng et al (2009)

... to climate change. For that reason, this study uses an approach that isolates the climate effect—which may have only been secondary— from other drivers of historical migration to provide a basis for the estimation of future international immigration flows. www.pnas.org/cgi/doi/10.1073/pnas.1002632107 ...
Regional Impacts of climate change
Regional Impacts of climate change

... There are likely to be increasing risks and costs from future climate change. The impacts of future climate change are likely to become greater as climate continues to change. There will likely be more loss of wetlands, higher risk to human life and property from stronger storms and hurricanes in t ...
Greenhouse Gases and Global Warming
Greenhouse Gases and Global Warming

... impact. Concern regarding global warming centers on the future climate. As discussed in detail below, it seems likely that most of the warming observed to date is associated with human activities releasing greenhouse gases such as carbon dioxide. In light of the long atmospheric lifetime of carbon d ...
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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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