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Informe sobre el canvi climàtic a Catalunya: Resum de conclusions Informe que ha elaborat un grup d'experts en canvi
climàtic a Catalunya (GECCC), que s'ocupa d'analitzar periòdicament tota
la informació produïda al nostre país sobre
l’escalfament global i l'eventual canvi del clima. Valorant
la informació elaborada que pugui ser aplicable a Catalunya,
detectant les llacunes de coneixement existents i fent propostes
sobre les diferents opcions a seguir de cara al futur. el canvi climàtic Perspectiva Ambiental 12. Fundació Terra El Medio Ambiente en Europa Cuarta Evaluación. Resumen Ejecutivo. Agencia Europea de Medio Ambiente. Informe que evalua los avances principalmente con respecto al Sexto
Programa de Acción en materia de medio ambiente
de la Comunidad Europea y la Estrategia Ambiental
para los países de Europa oriental, el Cáucaso y Asia central. El canvi climàtic pot inundar el golf de Roses i la desembocadura del Ter en pocs segles Els propers segles seran clau per veure com es desenvolupa
el canvi climàtic a les comarques gironines, i especialment
a la Costa Brava. De moment encara és molt difícil
fer previsions perquè la principal causa de l´increment
del nivell del mar és el desglaç i aquest pot variar
molt (sobretot segons les emissions de gasos que es facin). Tot
i això, si el mar va creixent al ritme que ho fa ara (uns
2,5 mil·límetres l´any segons un estudi del
Ministeri de Medi Ambient i la Universitat de Cantàbria)
d´aquí a 800 anys el nivell haurà crescut
dos metres i s´haurà «menjat» bona part
del golf de Roses, així com la desembocadura del riu Ter.
Roses, Sant Pere Pescador, Empuriabrava, l´Escala, l´Estartit,
Pals i, en menor mesura Blanes, serien les poblacions més
afectades. Essent els aiguamolls les primeres zones a desaparèixer. Nous valors per a un nou segle "La Carta de la Terra" Ramsar Advisory Mission to the Ebro Delta, Catalonia - Spain On 6 September 2001 the Spanish Ministry of the Environment informed the Ramsar Bureau with regard to the final report of this Ramsar Advisory Mission that the final approved version of the National Hydrological Plan foresees the elaboration of an Integrated Development Plan for the Ebro Delta within one year. It was also decided that the approved version of the National Hydrological Plan should be submitted to a Strategic Environmental Impact Assessment in its entirety. (...) Ebro delta, one of the largest in the Mediterranean, is relatively well known by now at least in what makes reference to the hydrodynamic and morphodynamic components, being the nutrient/pollutant fluxes relatively less known. This does not mean, however, that management decisions can be derived in a straight forward and univocal manner. This section will therefore briefly review the dynamic character of the Ebro delta (S.-Arcilla and Jiménez, 1996), common for many other coastal systems, in terms of its formation and reduction processes. Network of Regional Governments for Sustainable Development Catalonia: An Example of Climate Change adaptation in Catalonia integrated management o Ebro Delta: The Ebro Delta is one of the coastal zone of Catalonia created and exposed to fluvial influences and coastal processes and the most exposed t the threat posed by climate change. The Advisory Council for the Sustainable Development of Catalonia (CADS), advisory commission for the Catalan Government in sustainable development matters, has promoted and coordinated the undertaking of a study on the possible effects of climate change in our country, with the support of the Meteorological Service of Catalonia and the Institute of Catalan Studies. Stern Review on the economics of climate change
El prestigiós economista Nicholas Stern Stern, va ocupar el càrrec de vicepresident sènior i economista en cap al Banc Mundial entre els anys 2000 i 2003, afirma que, per mitigar els efectes de l'escalfament global, cal una inversió equivalent a l'1% del PIB mundial. Si no es fes aquesta inversió, el planeta s'exposaria a una recessió que podria arribar al 20% del PIB global. El document, disponible a Internet, alerta que, si no es fa res per aturar-lo, el canvi climàtic costarà al món més de cinc bilions d'euros el 2050. El document també proposa la imposició d'ecotaxes per reduir els desequilibris socioeconòmics Curbing Global Warming Global warming remains the most complex environmental problem of our time. But this year, NRDC and our allies made significant headway in advancing global warming solutions. We helped create a new political context, one in which business and congressional leaders are beginning to view action on global warming as inevitable. Sea Level Rises As temperatures rise, the sea will absorb heat from the atmosphere, causing it to expand and therefore creating sea level rises. The Impacts and Costs of Climate Change This paper is prepared as task 1 of the project ‘Modelling support for Future Actions – Benefits and Cost of Climate Change Policies and Measures’, ENV. C.2/2004/0088, led by K.U.Leuven, Katholieke Universiteit Leuven. The paper provides a rapid review and analysis of the impacts and economic costs from climate change. Global Sea Level Change: Determination and Interpretation The notion of sea level rise brings to the popular mind the specter of deep inundation of coastal regions. One pictures skyscrapers emerging from the waters like so many sleeping flamingos standing in the shallows of a lake. Of course if all of the world's ice sheets suddenly melted or collapsed, this vision would apply to New York City and its coastal counterparts. Estimates of Future Sea Level Rise This chapter presents a range of sea level rise estimates, termed scenarios, that were developed on the basis of knowledge collected from a variety of disciplines, including energy economics, geochemistry, biology, atmospheric physics, oceanography, and glaciology. Feedback effects Warming will trigger some processes which speed further warming, and other effects which mitigate it. The balance between these positive and negative feedbacks is a major cause of uncertainty in climate predictions. Climate Change 2001: Impacts, Adaptation and Vulnerability Climate Change 2001: Impacts, Adaptation, and Vulnerability is the most comprehensive and up-to-date scientific assessment of the consequences of, and adaptation responses to, climate change. The report: • Evaluates evidence that recent observed changes in climate have already affected a variety of physical and biological systems. IPCC Special Report on The Regional Impacts of Climate Change. An Assessment of Vulnerability The Special Report explores the potential consequences of changes in climate for ten continental- or subcontinental-scale regions. Because of the uncertainties associated with regional projections of climate change, the report necessarily takes the approach of assessing sensitivities and vulnerabilities of each region, rather than attempting to provide quantitative predictions of the impacts of climate change. IPCC Special Report on The Regional Impacts of Climate Change. An Assessment of Vulnerability Local Population Impacts and Mitigation of Sea Level Rise Using sea level rise (SLR) as an example, we describe a protocol to synthesize population/environment case studies that contribute to minimizing local impacts of global environmental change. We delineate areas of potential impact from SLR for the coterminous United States, ascertain and project SLR impacts for selected sandy beach urban sites in South Coast California and South Coast Maine, describe relevant local policy instruments, and summarize responses of local stakeholder populations. (...) Background paper on Climate Change According to the International Panel on Climate Change (IPCC), global mean sea level will rise between 9 to 88 cm by 2100 as compared to 2000. Data on sea tides indicate that the mean sea level has risen by 10 to 20 cm in the 20th century, which means a ten-fold increase compared to the past 3000 years1. Maritime facts and figures So far, EU policies on maritime transport, industry, coastal regions, offshore energy, fisheries, the marine environment and other relevant areas have been developed separately. Of course, there has been an effort to ensure their impact on each other was taken into account. But no one was looking at the broader links between them. No one was examining in a systematic manner how these policies could be combined to reinforce each other. And yet, activities on oceans and seas are increasing so much that the conflicting uses of the oceans are becoming more difficult to manage. El canvi climàtic dificulta la mobilitat? Per Josep Enric Llebot, catedràtic de Física de la Matèria Condensada Calentamiento global. El alto coste de no hacer nada No combatir el cambio climático en la costa costará 42.500 millones anuales a la UE Renunciar a combatir el cambio climático tendría un coste elevadísimo para Europa. El estudio económico que acompaña el informe de la Comisión Europea sobre la nueva política energética de la UE vaticina una catástrofe económica si no se actúa en los diversos campos de acción para poder adaptarse o mitigar el cambio climático. Climate Change and Biodiversity - meeting the challenge Report of the 13th Annual Conference of the European Environment and Sustainable Development Advisory Councils his paper will provide a focus for our discussions on climate change during the EEAC annual meeting. It highlights the scale and nature of climate change impacts on the marine environment, its biodiversity and human uses; it summarises selected research on climate change impacts and adaptation; and it identifies priorities for changing existing policies and developing new approaches. Climate Change 2007: The Physical Science Basis The Working Group I contribution to the IPCC Fourth Assessment Report describes progress in understanding of the human and natural drivers of climate change1, observed climate change, climate processes and attribution, and estimates of projected future climate change. It builds upon past IPCC assessments and incorporates new findings from the past six years of research. Scientific progress since the TAR is based upon large amounts of new and more comprehensive data, more sophisticated analyses of data, improvements in understanding of processes and their simulation in models, and more extensive exploration of uncertainty ranges. Evaluation Model for the Sustainable Development of European Coastal Zones National Geographic- Articles on Climate Change National Geographic- Enviroment website Green Dreams Map: Global Warming Effects CASOS D'ESTUDI Beaches flood in Coastal California parks Rising sea levels could swamp some of the most heavily used beaches in the entire national park system. Is the coast rising? Evidence of Holocene relative sea level changes from tidal notches and marine terraces in Southwest Mexico Tidal notches and marine terraces are landforms formed in coastal areas in relation to past sea levels, and are widely used as indicators of rates and patterns of tectonic activity. Examination of uplifted notches and terraces in the complex plate boundary setting of southwestern Mexico reveals the need for considerable care in their interpretation. Globlal Climate Change. Cryosphere Changes in climate dramatically alter the planet’s snow- and ice-covered cryosphere. With variations in the earth’s temperature, thousands of square miles of snow and ice can accumulate or melt. Changes in snow and ice cover, in turn, affect air temperature, sea level, ocean currents, and storm patterns. Impacts of a Warming Arctic: Arctic Climate Impact Assessment. ACIA "An international project of the Arctic Council and the International Arctic Science Committee (IASC), to evaluate and synthesize knowledge on climate variability, climate change, and increased ultraviolet radiation and their consequences. The results of the assessment were released at the ACIA International Scientific Symposium held in Reykjavik, Iceland in November 2004." Scientific Facts on Arctic Climate Change Our climate is already changing, particularly in the Arctic where permafrost is melting, glaciers are receding, and sea ice is disappearing. Changes in the Arctic will not only affect local people and ecosystems but also the rest of the world, because the Arctic plays a special role in global climate. How has the climate changed in the Arctic so far, and what future changes are expected? Impacts of Climate Change in Spain. Impacts on Marine Ecosystems and the Fisheries Sector Temperature increases have been detected on all Spanish coasts, as well as changes in the seasonality and intensity of certain oceanic processes, such as upwellings. There is evidence that the change in oceanic climate has been accelerating over the last few years.
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