Prospective Assessment of Steel Manufacturing Relative to Planetary Boundaries: Calling for Life Cycle Solution

作者: Morten W. Ryberg , Peng Wang , Sami Kara , Michael Z. Hauschild

DOI: 10.1016/J.PROCIR.2017.11.021

关键词: Stock (geology)Steel millPlanetary boundariesCurrent practiceEnvironmental scienceEnvironmental economicsClimate change

摘要: Abstract Steel, as one of the largest consumed materials is a large contributor to climate change accounting for about 7% annual human induced CO2 emissions. Using material in-use stock modelling and dynamic life-cycle assessment, this study predicted share safe operating space that will be occupied by steel production between 2015 2100. Results show if current practice continued, manufacturing occupy what corresponds 50% 2100, indicating an urgent need impact reducing strategies stay within space.

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