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Eos, Vol. 87, No. 52, 26 December 2006
Eos, Vol. 87, No. 52, 26 December 2006

... The coldest epoch of the Little Ice Age created a commercial incentive for the beaver fur trade in Europe, and as such may have guided the course of history. A glut of beaver furs and the looming extinction of beavers may have led to the Dutch retreat from the Americas, but the disappearance of the ...
03_Bulgaria lecture
03_Bulgaria lecture

... supporting Bulgarian security environment. Furthermore, reshaping Bulgarian Army capability might be required in order to create capable and competent balanced forces, with organization, equipment, and combat training allowing not only adequate participation within the full spectrum of NATO operatio ...
EPA WasteWise Endorser
EPA WasteWise Endorser

... Without the atmospheric insulating effect provided by GHGs, the average temperature on Earth would be minus 2 degrees Fahrenheit, compared to the current average temperature of 60 degrees Fahrenheit. The average tem­ perature, however, has increased by 1 degree Fahrenheit during the last century as ...
Unchecked Climate Change Migration V Ramanathan F Forman
Unchecked Climate Change Migration V Ramanathan F Forman

... According to EM-DAT/CRED, 226 million people each year are impacted by natural disasters. In the first decade of the 21st century, one million people died in natural disasters, 88% of which were weather-related. In that same decade, 370,000 people died as a direct cause of extreme climate condition ...
A normative account of dangerous climate change
A normative account of dangerous climate change

... Change (UNFCCC) “is to achieve, in accordance with the relevant provisions of the Convention, stabilization of greenhouse gas concentrations in the atmosphere at a level that would prevent dangerous anthropogenic interference with the climate system. . . ”1 Unless global energy policy is to pursue t ...
The international cooperation of IGOs in environment
The international cooperation of IGOs in environment

... fossil fuels, new reliance on public transportation systems in order to reduce vehicle emissions, congestion in cities and the health problems caused by polluted air and smoke and the growing scarcity of water. An important accomplishment was an agreement on the Climate Change Convention which in tu ...
Development of GCM Based Climate Scenarios Presentation
Development of GCM Based Climate Scenarios Presentation

... Range of natural variability is often greater than the magnitude of change expected over several decades This is NOT to imply that climate change impacts are insignificant Need to include the full range of potential variability in any estimate of future climate change ...
Climate change impacts on global agricultural land availability
Climate change impacts on global agricultural land availability

... of emission scenarios are considered as the two major sources of uncertainty in climate change projections at the regional scale. Two widely used ensemble approaches are employed to deal with GCM regional variability, the simple average method (SAM) and root mean square error minimization method (RM ...
i. enhanced actions on climate change
i. enhanced actions on climate change

... Climate change is today’s common challenge faced by all humanity. Human activities since the Industrial Revolution, especially the accumulated carbon dioxide emissions from the intensive fossil fuels consumption of developed countries, have resulted in significantly increasing the atmospheric concen ...
Section 10: Freshwater Ecosystems
Section 10: Freshwater Ecosystems

Is the Earth Getting Warmer
Is the Earth Getting Warmer

Impacts of climate change on plant food allergens: a previously
Impacts of climate change on plant food allergens: a previously

... Contact allergens Only a single study has contemplated the impacts of climate change on allergic disease other than asthma and allergic rhinitis. Recent research by Mohan et al. (2006) examined the responses of poison ivy (Toxicodendron radicans) to elevated [CO2]. They found poison ivy grown at ele ...
Carbon and the Science - Policy Nexus The
Carbon and the Science - Policy Nexus The

... would allow Annex I Parties to claim an annual credit of between about 1.5 GtC y-1 due to the residual uptake because of improved management practices pre-1990, carbon dioxide and nitrogen fertilization effect and climate change. Current text would limit this credit by discounting by 85%. ...
The Fifth Carbon Budget - Call for Evidence Question and Response
The Fifth Carbon Budget - Call for Evidence Question and Response

... It is also clear that the Transmission charging system on UK Grid is rewarding the present status quo, rather than incentivising new renewable construction in regions far from SE England. It is clear that the future cost of CO2 removal from power plant operating with CCS is not included in the Trans ...
Climate Change - European Capacity Building Initiative
Climate Change - European Capacity Building Initiative

... ecbi Workshops 2007 ...
chasing coral
chasing coral

... Ask students to hypothesize about how the world’s climate could change over the next 100 years if humans do nothing to limit the levels of their greenhouse gas emissions. Have them also make predictions about the effects such climate changes could have on humans. Ask students to write two or three p ...
Biomes Individual and Collaborative Project
Biomes Individual and Collaborative Project

... compare biomes in different regions of the world • 3.2 relate the characteristics of two major biomes (i.e., grassland, desert, tundra, taiga, deciduous and rain forest) to net radiant energy, climatic factors (temperature, moisture, sunlight and wind) and topography (mountain ranges, large bodies o ...
METR112-futureimpact1 - Department of Meteorology and
METR112-futureimpact1 - Department of Meteorology and

... activities .“ (IPCC), 2001 The IPCC finds that it is “very likely” that emissions of heattrapping gases from human activities have caused “most of the observed increase in globally averaged temperatures since the mid-20th century. (IPCC) 2007 ...
The EPA and Climate Change  Contents
The EPA and Climate Change Contents

... greatest uncertainly lies in how effective global actions will be in reducing GHG emissions. Predicted negative changes in Ireland include: ...
PDF
PDF

... relation to international growers, climate change and the uncertain in effect of the current European policies as adaptation strategies. Demographic changes are altering vulnerability to water shortages and agricultural production in many areas, with potentially serious consequences at local and reg ...
1166618
1166618

... gases we can emit into the atmosphere. The perceived necessity on global warming is developing fast, and becoming ever more concrete for people. It used to be about how many parts of greenhouse gases per million (ppm) a livable atmosphere could endure. In 2006, the United Nations “Intergovernmental ...
A set of logical steps in order to make an assessment of
A set of logical steps in order to make an assessment of

... The assessment at hand should be first extensively appraised in an open exchange between the specialists that are going to do the assessment and the authorities who asked for it. Only through this exchange it will be possible to estimate the extent and depth of the assessment, including even the fea ...
Sub-programs and Types of Intervention
Sub-programs and Types of Intervention

...  Climate Change Mitigation contributes to the reduction of greenhouse gas emissions  Climate Change Adaptation supports efforts leading to increased resilience to climate change Specific objectives:  Implement and develop Union policy and legislation and mainstream activities across policy areas ...
(winter storm)
(winter storm)

... that the number of intense extratropical cyclones may increase under climate change (whereas the total number of storms might be reduced), citing a set of research works reaching this conclusion (e.g., Lambert and Fyfe, 2005). Third, the Fourth Assessment Report describes that the “consistent” resul ...
full text pdf
full text pdf

... Climate change is one of the greatest contemporary threats to our planet's environmental, social and economic well-being, accompanied by major changes in life support systems on Earth, where the far-reaching effects will be felt in the coming decades. The Earth's climate is warming rapidly due to em ...
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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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