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Probabilistic regional and seasonal predictions of twenty-first century temperature and precipitation: Working Paper 23 (440 kB) (opens in new window)
Probabilistic regional and seasonal predictions of twenty-first century temperature and precipitation: Working Paper 23 (440 kB) (opens in new window)

... Northern Europe being between 0.5 and 5.9oC warmer and -5 and 34% wetter in the 2090s. A business-as-usual scenario provides ranges of 6.8 to 14.5oC and 22 to 71%. Higher precipitation increases are found for North Asia. That these ranges are large illustrates the need for adaptation strategies whic ...
Climate change
Climate change

... Earth is facing a climate catastrophe caused by human action. Scientifically, there is no longer any doubt that pollutants from the combustion of fossil fuels and other human activities are accumulating in the atmosphere, trapping radiation, and raising temperatures. There remains some uncertainty a ...
nl-02-24-eu 2016 afolu agri
nl-02-24-eu 2016 afolu agri

... in agro-ecological zones and farming systems, such as different grassland and cropland practices and systems. Challenges and opportunities related to agriculture The findings of the IPCC’s 5th assessment report2 (AR5), the Structured Expert Dialogue (SED 2013-2015)3 and the IPCC expert meeting4 on C ...
A trait-based approach to assess climate change sensitivity of
A trait-based approach to assess climate change sensitivity of

... combination with environmental stressors such as land use changes (e.g., Meyer et al., 1999; Moss et al., 2009; Sala, Chapin et al., 2000). Global climate change will have a number of effects on freshwater ecosystems through increases in CO2 levels, increases in air and water temperatures as well as ...
Kyoto Protocol
Kyoto Protocol

... establishes a Copenhagen Green Climate Fund, as an operating entity of the financial mechanism, "to support projects, programme, policies and other activities in developing countries related to mitigation establishes a Technology Mechanism "to accelerate technology development and transfer ...
Frequently Asked Questions - Divest
Frequently Asked Questions - Divest

... What is the history of divestment movements? Activists used divestment in the 1980s to hasten the dismantling of South Africa’s racist Apartheid regime. The tactic has also been applied to actions targeting repressive regimes or human rights violations in states such as Iran, Sudan, Northern Ireland ...
Chapter 6. Future climate changes
Chapter 6. Future climate changes

... relative contribution then decreases, although it is still significant in 2100. When analysing temperature changes over a smaller region such as the British Isles (Figure 6.8b), each source of uncertainty has more or less the same behaviour as discussed for the Earth as a whole. The only clear chang ...
The Kyoto Protocol and Global Climate Change
The Kyoto Protocol and Global Climate Change

... The European Union and its member states have consistently been amongst the most enthusiastic promoters of the Kyoto Protocol and can be credited with keeping the process alive, after the US abandoned it in 2001. Since 1991, when it issued its first strategy to reduce European GHG emissions, the Eur ...
Slide 1
Slide 1

... • Agree rules eg. MRV, ICA • Developing Country design NAMAs • Agree rules for Registry ...
Overlooked and Neglected Issues in Climate Change Studies: The Need for a
Overlooked and Neglected Issues in Climate Change Studies: The Need for a

... ¾ ¾ ¾ ...
Climate Changes Impact to Archaeological Sites in Delaware:
Climate Changes Impact to Archaeological Sites in Delaware:

... First, each state or the federal government needs to assess and identify areas / regions and transportation corridors that will be directly impacted by climate change, and to some extent this is going on via NOAA, FEMA, and other agencies. Second, and this is what is not going on that should be, any ...
Climate Change and Agriculture Recommendations
Climate Change and Agriculture Recommendations

... climate adaptation and mitigation plan that demonstrates on-farm benefits, including energy savings. Recommendation: Coordinate across USDA agencies to connect producers with the resources they need to assist in the development of on-farm energy resources, especially solar and wind, but also perenni ...
Ocean Model Working Group
Ocean Model Working Group

... includes nitrogen dynamics and has been extensively tested against data at individual sites, with preliminary work underway on regional and global modeldata comparisons. Work has been completed on a suite of past, present, and future atmospheric dust simulations within CCSM. Predictions of future d ...
Earth, Climate, and Change: Observing Human Impact
Earth, Climate, and Change: Observing Human Impact

Global Warming, Sea Level Rise and Beach Nourishment
Global Warming, Sea Level Rise and Beach Nourishment

Provincial government of Albay, Philippines
Provincial government of Albay, Philippines

... government agencies and departments, scientific organizations, international and local NGOs, private/business sectors to implement climate change adaptation actions all over the province. Albay continues to invest in strengthening its capacity to use modern technology for climate forecasting, early ...
DOCX - World bank documents
DOCX - World bank documents

... with the GEF strategy on adaptation. By transferring risk, SEEC CRIF reduces economic losses at both the local and national levels, thereby reducing economic vulnerability and creating a more climate resilient country. Furthermore, SEEC CRIF will also incorporate long-term climate change adaptation ...
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... down costs of alternative technologies in the non-electricity sector then policy costs could increase by 60 up to 80%. ...
GEF COUNTRY EXPERIENCE IN THE PHILIPPINES
GEF COUNTRY EXPERIENCE IN THE PHILIPPINES

... Coping-up with Challenges and Problems  coordination mechanism is being institutionalized and strengthened  maximize and wise utilization of CSP fund  pipeline projects under GEF are being explored to support the ff: – capacity building on program strategizing and prioritization – database build ...
Downscaling reveals diverse effects of anthropogenic
Downscaling reveals diverse effects of anthropogenic

... World Climate Research Programme). These General Circulation Model (GCM) data most confidently characterize climate changes at relatively coarse spatial and temporal scales (i.e. averaged over large regions and time through sub-continental monthly and seasonal averages). They are considerably less v ...
Visualizing Life Zone Boundary Sensitivities Across Climate Models
Visualizing Life Zone Boundary Sensitivities Across Climate Models

... targets. These targets sets of points which together form the logical notion of an inter-variable relationship. In addition, the space in which distances are calculated are abstracted, as well as the distance metric used. Our classification system therefore easily accommodates what was intended by Ho ...
Chapter 2 of Stern Review: approach to discounting
Chapter 2 of Stern Review: approach to discounting

... global and long-term nature of the impacts (the discussion is extended in the appendix to the chapter). Section 2.4 examines some specifics of intertemporal allocation, including discounting (some further technical details are provided in the appendix to the chapter). Sections 2.5 and 2.6 consider h ...
2011 Duffy
2011 Duffy

... No Room in the Ark? Climate Change and Biodiversity in the Pacific Islands of Oceania DAVID CAMERON DUFFY1 The islands of Pacific Oceania face unprecedented anthropogenic climate change within this century. Rising sea levels, increasing ocean acidification, warming land and sea temperatures, increas ...
submission for the carbon tax bill
submission for the carbon tax bill

... presentation sounds like something put together by Greenpeace activists and their legal department." Dr Chris Landsea: "I cannot in good faith continue to contribute to a process that I view as both being motivated by pre-conceived agendas and being scientifically unsound." Dr Richard Lindzen: "The ...
Eksterne relationer
Eksterne relationer

... There are many ways how climate change related effects might affect the fish resource: • Affect the level of recruitment, • Affect size and quality of the fish resource, • Lead to emigration or immigration of species in specified geographic areas, • Increase the natural variability, • Increase the s ...
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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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