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Will a transition to a hydrogen economy affect water security?
- Hydrogen is now viewed as a viable alternative to fossil fuels.
- The hydrogen manufacturing process uses and produces water.
- In an era of water insecurity, it is crucial that the hydrogen industry makes it clear that it doesn't negatively impact water security or other water-heavy industries.
- The need for clean energy alternatives to reduce the impact of climate change encourages us to look at hydrogen as a potential new energy carrier. Hydrogen is now viewed by governments and energy companies as a viable alternative to the traditional fossil fuel-based energy industries. Terms such as 'hydrogen economy' or 'hydrogen society' encourage us to believe that we can completely move away from fossil fuels and rely solely on hydrogen. Growing worries over future water resources, however, show that relying solely on hydrogen may, in certain cases, overburden our water resources.
Here, I examine the current energy use of various states and calculate the amount of hydrogen required to meet current energy demands. This amount of hydrogen is then converted into the amount of water required to produce this hydrogen via electrolysis.