Hydrogen Effects on Climate, Stratospheric Ozone, and Air Pollution

Changes in technology have environmental implications that must be studied and examined prior to wide-scale adoption. Previous studies and models have not examined the climate response of a transition to hydrogen, the effect of hydrogen on atmospheric aerosols, nor the effect of using wind, coal, and/or natural gas to generate hydrogen. As such, a significant gap in our understanding of the effects of switching to hydrogen still exists. The purpose of this project is to try to fill some of this void with a numerical model that replaces current and future fossil fuels emissions with hydrogen-related emissions in a high-resolution emission inventory. The model then treats gases, aerosols, meteorology, and radiation simultaneously over a three-dimensional global grid that nests down to the urban scale.

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