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I admire the passion the author has for mist shower tech, but the "carbon footprint" is a tough argument, especially since we spend so much water "showering" our lawns/yards.[0] That "rain showers" faucet looks pretty slick and I think I might upgrade to that.

[0] Landscaping is the second largest component of water consumption in California at 9% of total use. https://priceonomics.com/california-lawn-watering-economics/

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It's not about the water usage on it's own, but more about the energy usage required to heat, treat, and transport the water.

According to the article "Hot water production accounts for the second most significant use of energy in many homes (after heating), and much of it is used for showering."

It's definitely about the heat, but it's also about the water usage on its own. There are many places where fresh water is scarce. Cleaning water also takes energy, and in some places, any kind of water is scarce.

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