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Issue 4, 2012
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Impact of a possible future global hydrogen economy on Arctic stratospheric ozone loss

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Abstract

The potential role of molecular hydrogen (H2) as a future alternative energy carrier has generated widespread interest. The possible amount of additional hydrogen emission into the atmosphere in a hydrogen-based economy depends on future hydrogen production and leakage rates throughout the complete process chain. However, the expected emissions are highly uncertain. Based on the current literature an upper limit is estimated. Additional hydrogen emissions yield enhanced water vapor concentrations in the stratosphere which will have an impact on stratospheric temperatures and on polar ozone loss. Both stratospheric water vapor and ozone are important drivers of climate change. The potential environmental risks are described and assessed to be low compared to the environmental benefits.

Graphical abstract: Impact of a possible future global hydrogen economy on Arctic stratospheric ozone loss

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Publication details

The article was received on 15 Nov 2011, accepted on 26 Jan 2012 and first published on 26 Jan 2012


Article type: Minireview
DOI: 10.1039/C2EE03181G
Citation: Energy Environ. Sci., 2012,5, 6445-6452
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    Impact of a possible future global hydrogen economy on Arctic stratospheric ozone loss

    B. Vogel, T. Feck, J. Grooß and M. Riese, Energy Environ. Sci., 2012, 5, 6445
    DOI: 10.1039/C2EE03181G

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