Last year I wrote two posts on the value of sleep and how to power nap, important to all, but especially to entrepreneurs.

Without good sleep your life will be ruined, but if you don’t drink enough water your life will end, period. (Note: it’s not a comfortable ending.)

People know this, it’s not rocket science.

But knowing isn’t doing.

So as a public service today I’m sharing an article about Plant Nanny; a whimsical way to make sure you stay hydrated.

When you download the app, you input some personal information (height, weight, physical activity level) and then pick out a plant. Plant Nanny tells you how many cups of water you have to drink per day.

For every cup of water you drink, you tap the little circle in the bottom right hand corner. The goal is to drink all the cups of water you’re supposed to every day. It keeps your plant happy, and presumably it keeps you hydrated. If you forget to water your plant, it will look sad. If you completely neglect it, it will die and you’ll have to start over.

I like the fact that the amount of water, as well as the size of your “cup,” is customizable based on you — not one-size-fits-all, which it doesn’t.

It works on iPhone and Android, so you don’t have that excuse.

Besides being a lot healthier, water is a whole lot cheaper — as in free.

If you have a thing against tap water, invest in a good, refillable, filtering water bottle.

Because a lot of bottled water is not special and plastic is definitely not green.

Happy hydrating.

Image credit: Plant Nanny

Are you green? I love green, so today I thought I’d share two terrific super-green startups with you.

One targets energy and the other water.

One is from France and the other from Washington State.

Neither is one of the over-hyped hotbeds of innovation .

I adore the French approach to wind power, because it’s relatively small and draws its inspiration directly from the natural world.

Designer NewWind R&D has created a “silent” turbine called the Tree Vent that is supposed to blend into the landscapes which house it. It’s a 36ft-tall structure made of steel with 72 artificial leaves.

Pretty cool. In fact, I’d love to have one in my yard.

Next is Washington State startup Janicki Bioenergy; the company with the viral video of Bill Gates drinking water — water made from human poop. Its called an Omniprocessor.

The machine extracts water from sewage that’s piped in or delivered to the facility. The dry sewage is then incinerated to generate steam, which powers the entire machine.

And self-powering is what makes it perfect for entrepreneurs in emerging countries to start businesses.

Do you know of other radically super-green startups? Please share.

Image credit: Edip YALTIR and thegatesnotes

Image credit: emsago and spekulator CC license

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Check out my other WW: Wall Street self-regulation