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Climate change: an European perspective Andrus Meiner, EEA 1st International ASTRA Conference “ARE WE PREPARED TO COPE WITH CLIMATIC CHANGES? CONSEQUENCES OF THE WINTER STORM 2005” May 18-20, 2006 Klaipeda, Lithuania Role of EEA in mitigation and policy adaptation strategies • The European Environment Agency is the EU body dedicated to providing sound, independent information on the environment in support to environmental policy makers and for the general public • EEA is publishing reports on GHG emission trends and mitigation, but recently on climate change impacts (2004, new 2008), vulnerability and adaptation (2005) • In 2006 EEA will report on state of environment of the coastal areas, that in limited scope also addresses the climate change issues (framing the issue) Air temperature • Global temperature: + 0.7 0.2 °C over past 100 years. Projected (1990– 2100): + 1.4–5.8 °C • Top 5 warmest years worldwide: 2005, 1998, 2002, 2003, 2004 • Europe: mean annual +0.95 °C; Summer +0.7°C ; Winter +1.1°C. Projected: + 2.0–6.3°C Data-sources: IPCC, WMO, CRU European summer temperature 2003 • Very likely that greenhouse gases have doubled the risk of summer temperatures as hot as 2003 • Such a heat wave is now four times more likely. By 2050 every other summer could be as hot as 2003 Data-sources: IPCC, WMO, CRU, Stott et. al. (in Nature, 2004) Projected precipitation changes in 2080 • Precipitation is projected to increase in northern Europe but decrease in southern Europe • More frequent droughts and intense precipitation events are likely Data-source: Hadley Centre HadCM3 model, B2 scenario Water resources • Temperature rise and changing precipitation are likely to exacerbate the water shortage in southern and south-eastern (increasing demand for irrigation in agriculture) and eastern Europe (increasing demand for households and industry) Data source: Henrichs and Alcamo, 2001. Hadley Centre HadCM3 model, baseline scenario Vulnerable sectors • Ecosystems and biodiversity • Agriculture and forestry • Water resources, flooding, water quality • Coastal zones, marine resources, fisheries • Tourism • Energy (supply and demand) • Built environment, infrastructure • Human health • Land management, regional planning (cross-cutting) Vulnerable regions in Europe Regions Climate change impacts Coastal zones, floodplains and wetlands Changes in water quality due to algae blooms Coastal erosion due to sea level rise More frequent floods due to extreme events Mediterranean region More frequent droughts and fires Land degradation due to salinisation Arctic, Greenland Economic and cultural impacts on indigenous communities Loss of endemic species Reduced seasonal sea ice Thawing of permafrost Mountain regions Retreat of glaciers Changes in water discharge Changes in avalanche frequency Less frequent and secure snow cover Loss of endemic plant species Vulnerable regions River flooding events 1998-2005 • About 100 (river) floods: more than 700 fatalities, a million people affected and 25 billion EUR in insured economic losses Coastal zones • Sea level is projected to rise for centuries (0.09-0.88 m from 1990 to 2100) • 9% of all European coastal zones are below 5 m elevation (85% for NL, BE), potentially vulnerable to sea level rise and related inundations • Coastal zone ecosystems are threatened • Future increase in storm frequency and intensity (uncertainties) Data-source: EEA, 2006, unpublished Coastal zones • Sea level is projected to rise for centuries (0.09-0.88 m from 1990 to 2100) • 9% of all European coastal zones are below 5 m elevation (85% for NL, BE), potentially vulnerable to sea level rise and related inundations • Coastal zone ecosystems are threatened • Future increase in storm frequency and intensity (uncertainties) Data-source: EEA, 2006 (forthcoming) Economic losses from weather related events • • • • Costs of weather and climate related events double each decade Since 1990, insured losses are on average $16 billion annually 2004 was costliest: $40 billion. Annual costs of European flooding could increase by €100-120 billion by the 2080s on top of the €6.5-8 billion paid today Balancing mitigation and adaptation: “Avoiding the unmanageable, managing the unavoidable,” • EU Council target of limiting global temperature increase to +2°C above pre-industrial levels needs global emission reduction of 15% up to 50% by 2050 (from 1990 levels) • Some global and European climate change is inevitable due to historical built up of greenhouse gases in the atmosphere, and time lags in climate and ocean systems • EU Council recognised the need to prepare for and adapt to climate change in both developing and developed countries, to complement mitigation policies • Addressing climate change has costs, but also brings benefits and opportunities e.g. for innovation Substantial emission reductions are needed: 60 to 80% by 2050 (developed countries) The EU target of max + 2 °C temperature increase requires at least stabilising at 550 ppm CO2 –equivalent. Most likely a lower target is needed, for example of 450 ppm. That would mean a 80% emission reduction by 2050 for developed countries (from 1990 levels). Various EU Member States are not on track to their Kyoto targets EU-15 Projects to meet its national burden sharing (Kyoto Protocol) target through: EU-10 Existing domestic policies and measures Sweden, UK Czech Republic, Estonia, Hungary, Lithuania, Latvia, Poland and Slovak Republic Existing and planned domestic policies and measures France, Germany, Greece Slovenia Existing domestic policies and measures and use of Kyoto mechanisms Luxembourg Existing and planned domestic policies and measures and use of Kyoto mechanisms Austria, Belgium, Finland, Netherlands Projects not to meet its national target Denmark, Ireland, Italy, Portugal, Spain No Kyoto Protocol target Malta, Cyprus 0 2.8 0.9 0.5 0.0 0.0 Cyprus Malta 1.6 Estonia 1.8 Poland 80 Hungary 2.3 Belgium 2.8 Luxembourg United Kingdom 2.8 Lithuania 4.3 Czech Republic 4.7 Ireland Netherlands Germany 13.0 12.8 12.0 Greece 10 Slovak Republic 12.8 Italy 20 France 23.2 23.1 22.3 21.8 Scenario projections 36.4 35.4 Finland Spain Slovenia 22 Denmark Latvia Portugal Sweden 60 Austria 13.7 EU25 30 Indicative target 40 EU15 Percent Faster growth is needed to achieve the EU goal for electricity from renewable sources 90 EU indicative target of 12% by 2010 70 55.9 50 40.0 9.6 7.9 Key EU (domestic) policies and measures to reduce GHG emissions • EU CO2 emissions trading scheme • • • • • • • • • Electricity from renewable energy Combined heat and power (CHP) Energy efficiency (buildings, industry, household devices, cars) Biofuels in transport Recovery of methane from landfills Reduction of fluorinated gases Remove potentially environmentally harmful subsidies Research and development Raise awareness Conclusions on mitigation • More efforts are required to reach the EU Kyoto target • Substantial further reductions in global GHG emissions are needed to achieve long term targets and avoid unacceptable impacts • Strong global action is needed, while the EU has to take its responsibility and continue taking a leading role • To succeed everyone has to contribute – governments, industries, private persons, researchers, NGOs, media Impact, Adaptation, Vulnerability exposure sensitivity impact vulnerability adaptation, adaptive capacity Adaptation strategies at national level • National adaptation strategies are currently under preparation in Denmark, Finland, France, Germany and the UK • Adaptation measures are included in National Climate Change Action Plans of several countries • The latest Spatial Policy of the Netherlands recognises the need for adaptation to climate change in spatial planning • Several countries (e.g. Finland, Hungary, Portugal, the Netherlands, Spain, UK) are undertaking comprehensive multi-sector national assessments of climate change • In many EEA member countries (e.g., Austria, France, Sweden, the Netherlands, Belgium, Italy, Switzerland), adaptation measures are taking place in the context of natural hazard prevention, environment protection, and sustainable resource management National adaptation strategies and local variations • Assessments of regional and sector adaptation needs still rare • More local variations and higher relevance to regional and local conditions is needed, because this is where practical management is happening EU policy developments, adaptation • Many EU policies, including environmental, do not yet address climate change impacts • Commission communication on post-2012 (Feb. 2005) and Environment Councils (2005) mentioned adaptation, complementary to mitigation • Commission Communication (2004) on an EU framework on flood risk mapping. Proposed Floods Directive in 2005 • ECCP II started in October 2005, including a working group on adaptation, 10 sectoral/issue meetings April-June 2006, Green Paper in Nov 2006 Living by the sea Very different and unequal situations in socio-economic terms Social deprivation (national definitions) Expected climate changes pose a real challenge to the population at sea to adapt, especially to sea level rise Focus: Coastal systems • Coastal zones comprise both sea and land side – sea/land interface – catchment-coastal continuum – natural flows along the coasts • Regarding marine and coastal areas most of climate change research is addressing SLR and SST changes and their impacts What impacts can climate change have on the coastal system given the existing anthropogenic pressures to the coasts? Often a region or sector is already under pressure today 25 Built up in the distance of the coast Atlantic by Regional Sea Basins Baltic Black Sea 20 Mediterranean % of built up North Sea 15 10 5 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Distance to the coast (Km) 15 16 17 18 19 20 Historic land use change and impact on coastal system • Wide conversion of forest and grassland to agricultural area in 19th and 20th century • This land use change was accompanied by massive soil erosion • But development of river dams and abstraction of water has reduced sediment discharges to the coast – – • On a global scale, some 25 % of the current sediment load from land to the coastal zones is trapped behind reservoirs. In Europe, almost all main rivers are dammed. For ex. River Ebro (Northern Spain) delivers 1% of solid discharge volume of 1900. Sediment deficit at the coast increase vulnerability to climate change impacts (SLR, storm surges, coastal erosion) Result: weakened coastal systems • Diversity of environmental and socioeconomic conditions at the coast create regional differentiation of vulnerability • The degree of adaptation to climate impacts is determined by the adaptive capacity (autonomous and planned) of the humanenvironment system • The capacity of coastal system for adjustment is small if the resilience of coastal system is reduced or necessary resources for adaptation are lacking Information needs at the European level • Higher spatial resolution and more frequent updates that allow target local variations and have higher relevance to regional and local conditions • Understanding of causal links - better distinction of climate change impacts from other anthropogenic impacts (e.g. eutrophication and algae blooms, coastal and open sea) • Uncertainty of time horizon for forecasts – – – There is still little evidence so far for direct sea level rise It is difficult to realize that sea level will rise for centuries Often indirect CC mechanisms are more pronounced • Status of ecosystems - data on variability and resilience of ecosystems (e.g. water quality, coastal habitats) • More integration with in situ monitoring of nature and with social and economic datasets to improve risk assessments Bridging the gap between science and practice • More analysis of current land use and sediment management practices at our coasts (non-climatic issues) • Combine the results with predicted impacts of climate change • Improved interface from climate change research to coastal management • More relevant adaptation strategies • Broader vision of integrated coastal management in to coastal engineering • Reduced vulnerability to climate change impacts? What more is needed? • Policy change: living with natural processes – – – – • Legislation is only beginning to recognize ecosystem approach and full threats of coastal squeeze Spatial planning for coasts is only emerging (river basin, coastal and flood risk management plans) Cross-sectoral integration on coasts to be realized (potential for SEA directive implementation) Coastal protection still dominated by hard solutions or beach nourishment Multi-scale adaptation: EU, national and local/regional level – Reflect diversity of EU coasts and be appropriate to decision making of the coastal zone in question Current adaptation measures: reactive or proactive? • Regional and local governmental organizations, NGOs and the private sector have started to adopt new policies, regulations and standards accounting for climate change (role of insurance sector) • Measures mainly in areas with a long tradition of dealing with climate extremes such as flood defence • Many adaptation actions have been initiated because of the substantial losses from extreme weather events in recent years • Policies and measures designed to address long-term climate change impacts have not been developed to the same extent Challenges for integration of adaptation into other policies and measures • Scientific uncertainty (low level of confidence in climate change scenarios of extreme events at high spatial resolution) • Policy action at regional/local level (need for stakeholder involvement; gaps in knowledge on potential adaptation policies and measures; lack of resources) • Costs of adaptation and benefits assessments (gaps in knowledge; how to identify “win-win” or “no-regret” options, justified under many plausible scenarios) • Coordination between sectors (how to enhance efficiency and effectiveness of measures with many organisations involved) Possible adaptation framework • Define the overall (European/national) policy objectives • Determine priority sectors for adaptation action • Propose decision making criteria • Assess priority risks or opportunities (in each sector) • Identify potential adaptation options • Appraise and propose adaptation options (high priority, win-win and no-regret) • Define adaptation targets and indicators • Integrate and/or link to policy framework at the EU, national and sectoral level • Implement policies/measures • Monitor, review and revise if needed Conclusions • Need to develop policy framework at European, national and regional/local levels • Integrate (“mainstream”) adaptation into other policies and measures • Enhance research (EU and national) on vulnerability assessments (including scenarios), good practices and costs and benefits, with stakeholder involvement • Improve management practices for non-climatic reasons, as potential to reduce vulnerability to climate change impacts • Exchange experiences amongst relevant stakeholders (public and private; EU/national/regional/local) • Communicate risks clearly to those affected and the actions they can take Thank you for attention, More information on EEA web page http://eea.europa.eu The European Environment Agency is the EU body dedicated to providing sound, independent information on the environment