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 Geeta Wonnacott & Liam Kelly Environment & Rural Affairs Department.

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Presentation on theme: " Geeta Wonnacott & Liam Kelly Environment & Rural Affairs Department."— Presentation transcript:

1  Geeta Wonnacott & Liam Kelly Environment & Rural Affairs Department

2   air and water quality in Scotland are generally of a high standard  many important habitats are sensitive to acidification and eutrophication

3  ERAD Commissioned Report - September 2006 Review of Greenhouse Gas Life Cycle Emissions, Air Pollution Impacts and Economics of Biomass Production and Consumption in Scotland - 06/09/ /0 06/09/ /0

4  key findings :  Biomass combustion units such as wood- fired boilers – data on emissions is limited and variable. Some evidence of elevated emissions compared to gas boilers  Hard to evaluate the contribution of ammonia and NOx emissions from biomass production and transport

5  bioenergy options tend to result in an increase in acidifying/eutrophying air pollutants which would be significant for Scotland given the high number of sensitive habitats. Important that abatement technologies are used alongside biofuels

6 

7  Need to look in detail at LCA of effects on environment of different biofuels – fertiliser and pesticide use, erosion, VOCs, emissions of PM, NH3 and NOx  Not always positive benefits compared to fossil fuels


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