Decarbonising the critical sectors of aviation, shipping, road freight and industry to limit warming to 1.5–2°C
作者： M. Sharmina , O. Y. Edelenbosch , C. Wilson , R. Freeman , D. E. H. J. Gernaat
DOI: 10.1080/14693062.2020.1831430
关键词: Sectoral analysis 、 Efficient energy use 、 Circular economy 、 Track (rail transport) 、 Demand reduction 、 Business 、 Range (aeronautics) 、 Environmental economics 、 Fossil fuel 、 Aviation
摘要: Limiting warming to well below 2°C requires rapid and complete decarbonisation of energy systems. We compare economy-wide modelling 1.5°C scenarios with sector-focused analyses four critical sectors that are difficult decarbonise: aviation, shipping, road freight transport, industry. develop apply a novel framework analyse track mitigation progress in these sectors. find emission reductions the IMAGE model come from deep cuts CO2 intensities lower intensities, minimal demand sectors’ activity. identify range additional measures policy levers not explicitly captured modelled but could contribute significant reductions. These reduction options, include less air travel (aviation), reduced transportation fossil fuels (shipping), more locally produced goods combined high load factors (road freight), shift circular economy (industry). discuss challenges reducing both for policy. Based on our sectoral analysis framework, we suggest improvements recommendations, calling relevant UN agencies start tracking through monitoring key elements (CO2 intensity, efficiency, activity, as underlying drivers), matter urgency.
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