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Source
Source

... Source: joint OECD-IEA analysis, cited in OECD (2009), Economics of Climate Change Mitigation: Policies and Options for Global Action beyond 2010, based on IEA data on subsidies ...
SINERGEE - University of Reading, Meteorology
SINERGEE - University of Reading, Meteorology

... Surface Temperature = +16oC The 2xCO2 increased temperature by about 1oC in this simple example. So what’s to worry about? ...
Weather & Climate
Weather & Climate

...  Clouds: Clouds reflect sunlight, providing shade, which keeps Earth’s surface cool. However, the water vapor within clouds is a greenhouse gas. It traps heat in the atmosphere by bouncing energy back towards the Earth, trapping heat. Scientists still disagree about whether the net effect of cloud ...
Effects of Climate Change on the Poor (Ashely Wells)
Effects of Climate Change on the Poor (Ashely Wells)

... • Approx. 80 million South Americans depend on the glaciers in the Andean Mountains for water. • Increased heat and climate change disrupts the natural freezing and melting of precipitation. As a result, what used to be a natural irrigation system and water supply no ...
Climate Leadership in Africa -
Climate Leadership in Africa -

... The Cambridge Programme for Sustainability Leadership (CPSL) is working with a number of partners to develop a West African Climate Leaders Programme 1 . This programme will be launched in summer 2011 with a seminar in Senegal for policymakers, civil society and corporate representatives from across ...
ISSUE GUIDE: Changing the Social Climate
ISSUE GUIDE: Changing the Social Climate

The Earth Climate System Model Development at Academic Sinica
The Earth Climate System Model Development at Academic Sinica

... Improvements of CLM simulations by implementing realistic surface/subsurface hydrological parameters and human dimension parameterizations (Min-Hui Lo) ...
Address by President James Michel at the Opening Session of Delhi
Address by President James Michel at the Opening Session of Delhi

... eloquently of human rights. Indeed, some have appointed themselves as champions of human rights. This is all well and good. But what about our right to exist as a people, as a country, as a nation? When some make decisions or pursue obstinately principles to maintain their own economic targets and i ...
PDF
PDF

... Applying a ‘Climate Lens’ to our work across sectors, both from adaptation and emission reduction perspectives. ...
2007 Tripartite Symposium April 23 2007
2007 Tripartite Symposium April 23 2007

... for anthropogenic carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O) and other important agents and mechanisms, together with the typical geographical extent (spatial scale) of the forcing and the assessed level of scientific understanding (LOSU). The net anthropogenic radiative forcing and it ...
climate change and indigenous people
climate change and indigenous people

... limate change is an all encompassing global problem that is likely to have catastrophic effects on natural and human systems. The IPCC Fourth Assessment Report (2007) has predicted extreme weather conditions and erratic rainfall patterns in various part of the world along with further cascading effe ...
PowerPoint プレゼンテーション
PowerPoint プレゼンテーション

... identify key regions for the bottom-water warming below 2000 m depth in the global ocean. An adjoint sensitivity analysis implies that changes in the water temperature in the local areas in the Southern Ocean can have subtle influence on the water warming in the pentadal/decadal time-scale. We are ...
Possible regional consequences of global climate changes
Possible regional consequences of global climate changes

... are recorded, but in some northern regions the trends are significantly negative. Nevertheless the trend of annual-mean temperature in these regions was positive. The maximal positive trends of temperature in high latitudes and in the north-east of Eurasia (in Chukotka) in spring were recorded. It i ...
Impacts of Climate Change on Commercial Fishing in the
Impacts of Climate Change on Commercial Fishing in the

... The term “extreme event” can cover a multitude of incidents such as drought, floods, storms, wave heights and most of which can affect commercial fishing to a certain degree. These will be addressed in this section. The Northern North Sea responds to changes from the North Atlantic Oscillation (NAO) ...
PDF
PDF

... Besides these negative effects, the agriculture has a contribution to prevention of climate change. One way is the production of bio energy (figure 3). The production of bio energy will solve, in some extend, the problem of GHGs emissions and will create new jobs. In the European Union, the authorit ...
Item 9 - Climate Change and Planning for Unpredictable Weather
Item 9 - Climate Change and Planning for Unpredictable Weather

... Wetter Winters: 15 per cent to 33 per cent wetter than the baseline average. Sea level rise: Sea levels are projected to rise by up to 96cms by the end of the century. ...
2013 Canada-US Comparative Climate Opinion
2013 Canada-US Comparative Climate Opinion

... climate change, compared to only 2 in 5 Americans holding the same view in the most recent survey. Moreover, the distribution of opinion on this question has shifted far more markedly among Canadians than Americans over the sampling period. The percent of Canadians who believe that there is evidence ...
Adaptation to climate change in the countries of the Lower Mekong
Adaptation to climate change in the countries of the Lower Mekong

... more common and more severe, as may saltwater intrusion. Such changes are expected to affect natural ecosystems and agriculture and food production, and exacerbate the problems of supplying increased food demand to growing populations. The impacts of such changes are likely to be particularly severe ...
Tekeli Edited
Tekeli Edited

... impacts on all aspects related to the state of the natural systems and of the production economy, especially in agriculture, forestry and natural habitats. Climate models that are used to carry out climate change scenario simulations suggest that the increases in greenhouse gasses affect not only su ...
Traveling in Time through Climate History - Max-Planck
Traveling in Time through Climate History - Max-Planck

... sents the longest period by far, at almost 4.6 billion years. It is necessary to give a brief overview of the period in order to demonstrate the complexity of climate history. The main climate developments of the first billion years were shaped by the movements of the Earth’s tectonic plates. The br ...
Environmental Structure And Function: Climate System
Environmental Structure And Function: Climate System

... also indicate that, even if the concentrations of greenhouse gases were stabilized by 2100, air temperature could continue to increase. As well, sea levels, which are expected to rise anywhere from 15 to 95 cm by 2100, could continue to rise at a similar rate in future centuries. This would be the c ...
3. Weather patterns and climate change
3. Weather patterns and climate change

... Climate change is a global priority. At this stage, it is clear that the climate is changing. There is scientific consensus that climate change is caused by greenhouse gas emissions resulting from human activity. The increase in greenhouse gas emissions is driven mainly by the use of fossil fuels, b ...
East Africa Climate Impacts
East Africa Climate Impacts

... impacts affect the ecosystem services that communities are largely dependent upon, threatening development and economic stability. Future impacts are projected to worsen as the temperature continues to rise and as precipitation becomes more unpredictable. One region of the world where the effects of ...
PDF
PDF

... Farmers and other water users do not respond passively to risk, but choose production strategies to manage risk. To represent this appropriately, it is necessary to analyse production under uncertainty in state-contingent terms. A general theory of state-contingent production is developed by Chambe ...
California*s Climate Future: The Governor*s Environmental Goals
California*s Climate Future: The Governor*s Environmental Goals

... the preparation and evaluation of state functional plans, and • Provide a basis for decisions and priorities for major public programs, capital projects and other actions, including the allocation of state resources for environmental purposes through the budget and appropriation process. ...
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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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