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TABLE OF CONTENTS Executive Summary

Adaptation technologies may require new hardware or different implementation approaches ('software'). Five main areas of adaptation technology application are: regional and local climate modeling and early warning, coastal zone management, water resources, agriculture and public health. Table 2 provides an indicative list of adaptation technologies in these five areas. Technological progress can take place through: scientific innovation and invention, the adoption and adaptation of pre-existing but new-to-the-market technologies, and the diffusion of technologies. Enormous gaps remain, especially in the case of the least developed countries. Technology development and transfer can be either accelerated or slowed depending on market conditions, fiscal and regulatory policies, availability of finance, access to information, the legal and institutional framework, human resource capacities, and the condition of infrastructure. Each country needs to conduct its own assessment of the most important domestic barriers to clean technology development and transfer. In addition, there are also barriers relating to international trade and associated rules, for example, with respect to intellectual property rights. Financial constraints are most often cited as a barrier to adoption of environmentally sound technologies in those non-Annex I countries which have conducted technology needs assessments. Capital shortages and high capital costs are still commonplace in many developing countries. Underdeveloped financial sectors and inhospitable investment environments are key reasons. These constraints may be tightened by the current global financial crisis. Small domestic markets for low-carbon technologies are another oft-mentioned barrier to technology adoption. Limited information about the availability of technologies and technology suppliers was another frequently cited barrier to technology acquisition. However, the biggest obstacle is that existing technologies are too expensive, making the resulting services unaffordable for the bulk of the populations of non-Annex I countries. Government policies can support or hinder low-carbon energy technology development and transfer. Supportive legal and regulatory frameworks may include energy-efficiency codes for buildings, fuel efficiency standards for motor vehicles and mandates for renewable energy use. Given cost disadvantages still faced by many non-conventional energy sources, government subsidies, feed-in tariffs and other support can facilitate adoption, but these may require international support. Rapid adoption of alternative energy technologies is hindered by subsidized conventional energy prices. However, removal of the subsidies without an increase in income or the availability of other affordable energy services could be both inequitable and socially unacceptable. IGCC 1 commercialization Solid oxide fuel cells Cleaner coal plants Hydrogen (H 2) co-production from coal/biomass Hydrogen Integrated stationary fuel cell systems Demonstration H 2 production from renewable sources Low cost H 2 storage and delivery. H 2 from renewable sources. Renewable H 2powered fuel cell vehicles H 2 and electric economy Renewable energy Lower cost wind power Demonstration cellulosic ethanol Photovoltaic (PV) clad buildings. Cost-competitive solar PV First-generation bio-refinery Low-wind speed turbines Advanced bio-refineries Cellulosic biofuels Community-scale solar systems Water photolysis Energy storage options Widespread renewable energy utilisation Genetically engineered biomass Biologically inspired energy and fuels Nuclear fission & fusion Advanced reactor and fuel cycle technology Generation IV nuclear plants. Fusion plant demonstration Advanced concepts for waste reduction. Fusion power plants Reforestation Soil conservation Sequestration decision support tools. Bio-based and recycled products Biological sequestration Carbon and CO 2 based products and materials Marine sequestration Effective dilution of directly injected CO 2 Carbonate dissolution/alkaline addition Safe long-term marine storage EMISSION REDUCTION OF OTHER GHGs Methane from energy production and waste Bioreactor landfill technology New drilling techniques for recovery of coal-bed methane Advanced landfill gas utilization. Ventilation-air methane technologies Integrated waste management systems Methane and N 2 O from agriculture Anaerobic digesters for heat and electricity production Utilisation of soil microbial processes Zero-emission agriculture High global warming potential gases Advanced refrigeration technologies. Advanced aluminium smelting processes Alternative refrigeration fluids Solid-state refrigeration and air conditioning systems N 2 O from combustion Catalytic reduction of N 2 O in nitric oxide plants Catalysts that reduce N 2 O to elemental nitrogen in diesel engines Advanced vehicles and noncarbon based fuels Require a well-specified research objective xviii 1 I.