Potential environmental impact of a hydrogen economy on the stratosphere.

  title={Potential environmental impact of a hydrogen economy on the stratosphere.},
  author={Tracey K Tromp and Run-Lie Shia and Mark Allen and John M. Eiler and Yuk L. Yung},
  volume={300 5626},
The widespread use of hydrogen fuel cells could have hitherto unknown environmental impacts due to unintended emissions of molecular hydrogen, including an increase in the abundance of water vapor in the stratosphere (plausibly by as much as approximately 1 part per million by volume). This would cause stratospheric cooling, enhancement of the heterogeneous chemistry that destroys ozone, an increase in noctilucent clouds, and changes in tropospheric chemistry and atmosphere-biosphere… CONTINUE READING

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