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Why Water is Important to Life

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Water is a constant reminder that life repeats. It's the only element that has a visible cycle.

We know how important water is to human life and also, because of agriculture, how important it is to plant life, but what about the earth in general? How important is water to the ecological balance of the earth? What role does it play and what would happen if we were to lose it or it didn't exist?

There are already parts of the world where we can see how life would change, if there were no water. We can also see it somewhat from satellite photos of Mars, the moon, and other "dead" space bodies. And we can extrapolate from the properties of water, itself, and what we know of its effect on life.

Earth Without Water

Imagine earth without water. The soil, with no water in it and nothing growing on it, would be lifeless, dead, collapsed into dust, sand, clay or rock. In California's Central Valley where agriculture predominates and pulls water from the ground, this process is already beginning to happen. The earth used to be like a sponge, but where the groundwater has been sucked almost dry, like the Central Valley, the earth has collapsed and hardened. This is the process we call "subsidence."

Earth Would Look Like This:

Desiccated earth devoid of water. Taken in 2007 near Edwards AFB in California's Mojave Desert.
Desiccated earth devoid of water. Taken in 2007 near Edwards AFB in California's Mojave Desert. | Source

Now imagine the air without water. Clouds provide a buffer from the heating power of the sun. Without them it would pour down with no mercy. Dry air would suck out whatever moisture it could find, wherever it could find it, and the noses and soft tissues of any being that lived would shrivel. There would be no sweet scents, since moisture is what conveys smells.

The composition of the air would change too. All the methane currently stored in ice, bogs, and the ocean, would be released, thereby increasing the heating effect of the sun. The dust in the air would be blown hither and yon, with nothing to wash it down. Temperatures would swing from extreme to extreme, getting hotter as time went on.

The ground, because it would be rock, sand, or dry earth would have nothing in or on it to blunt the heat. The sun, pouring down without mitigation, would beat on the earth and heat it up. Any carbon-based thing would burn up during the day. At night it would freeze.

There would be nothing to soften the effect of volcanoes or to put out fires. There would be no cushioning effect against earthquakes. Any rubbing of tectonic plates against each other would be magnified far beyond what it is now - the trembling would create massive rock slides and crumbling both at the site and in remote areas affected. The surface of the earth would burn and grind itself into dust. Am I exaggerating? Most likely not. The article below talks about earthquakes and the softening effect of water underground.

The Hydrologic Cycle

Water is a life giver - even a life creator. It lies at the basis of our understanding of how life works. It also lies at the basis of how we understand our own personal lives. Of the four (or five) basic building blocks of life, water is the only one with a visible cycle, which we call the hydrologic cycle. Fire has no cycle that we can see, neither do earth or air. And we don't understand spirit (the ether) enough to know if it does or not. Water is a constant reminder that life repeats.

The hydrologic cycle works as follows: From it's most usable state, water evaporates and joins the air as water vapor. When the air cools, the vapor condenses and creates clouds, which help block heat from the sun. Colonies of the ice-nucleating bacterium, P. syringae, blown into the clouds by wind, help them to precipitate and fall as rain, snow, or hail. Much of the precipitation is stored on land as groundwater and lakes, snow and ice. From there water flows to the sea, where it joins the "primordial soup" again as ocean, ready to start the cycle anew.

Earth's Hydrologic Cycle
Earth's Hydrologic Cycle | Source

The Cycle of Life

All of life, as we know it, cycles and recycles. From physical life to death and the breakdown of the body, to re-entry into Spirit. Then to the thought of life in a new body, to actual birth and living a new life through to death again - and on and on. Our own creations also follow the cycle of life: From the birth of a product through its use to its death, then its breakdown into physical components, then new ideas for new creations and the reuse of components in new products.

This diagram shows the life cycle of products we manufacture. We're only just getting the hang of the recycling portion.
This diagram shows the life cycle of products we manufacture. We're only just getting the hang of the recycling portion. | Source

To water, were it sentient, it might seem that humans were its children, since we are so dependent upon it for survival. But humans don't conceive of ourselves as subordinate to anything anymore. Instead, we treat water as our servant - as an element of the earth that we "control." We use water to master life, feed ourselves, and to create our own subordinate products.

Here are some of the "services" that we see water provide - that produce the abundance we see around us every day, and that we are trying to control for our own benefit and protection.

Stabilizes Temperature

Water cools the earth when it heats up and warms it when it cools down. When the temperature drops low enough, water freezes, releasing its own heat and warming the frigid air. When the temperature rises high enough, water evaporates, taking some of the heat with it and cooling the hot air. It also cools the heat of volcanoes and wildfires, via moisture released from burning vegetation, which forms clouds that cool the air and then release rain. And water in the ground cools the surface of the earth during the day and warms it at night.

Without water the air and earth would vacillate between extreme hot and extreme cold every day, everywhere, with a gradual increase in temperature as time goes on.

Cushions & Softens

Just as water in a waterbed has a cushioning effect with any movement, so it also has when buried in the earth. This cushioning is good protection during an earthquake, proven in seismic studies, when the groundwater slows down seismic waves and dampens their effects.

Water also softens the soil, making it easier for rain to percolate through to refill the aquifer - the earth's underground storage space. When stored groundwater is sucked up and not replaced, the soil gradually condenses and becomes hard. Then water slides off the top, instead of being absorbed, and the earth loses its storage place and its shock protector.

Where the earth is receptive, rainwater sinks down through it to be stored in the aquifer.
Where the earth is receptive, rainwater sinks down through it to be stored in the aquifer. | Source

The softening effect of water is also evident in the way it prepares seeds to grow. Many seeds have hard covers that keep them from growing until water is present. Water softens the seed cover enough for the little shoots to break out, then the soft soil, mixed with organic matter, provides a perfect medium for the shoots to grow into full-fledged plants.

Without water most seeds would be too hard to grow, and the ground would be too hard or sandy to absorb and hold rain. Without water storage, droughts would kill, and earthquakes would be severe.

Enables Transportation

Throughout the earth and the bodies of living things, water is used to transport both nutrients and wastes. On land, water transports nutrients and rich soils from the mountains to lower altitudes on the way to the sea. In the ocean, water currents disperse nutrients throughout the world.

Water transports boats of all sizes filled with people, mail, and physical goods. Taken in the West Indies, 1985.
Water transports boats of all sizes filled with people, mail, and physical goods. Taken in the West Indies, 1985. | Source

Humans use waterways to transport goods via boats and barges. Water in plant sap and blood transports nutrients and wastes to and from cells. In the human and animal brain water transports electrical charges, which allow us to think clearly.

Without water there would be no dispersal of nutrients, electrical messages, or mass transit of goods and services that help life prosper.

Cleanses and Breaks Down Wastes

Rain cleans whatever it passes through (air, the earth's surface, soil), which is why everything smells fresh after a rain. It also plays a cleansing role in our own bodies, as it passes through the kidneys. It carries down dirt, debris, minerals, and toxins, washing all into the sea. Once in the ocean, algae and other microbes break the debris down (except plastic) into basic food components that can be used to support life. The ocean thereby becomes a primordial soup, filled with nutrients of all kinds. From the ocean life was born.

Without water the earth and our bodies would be unable to break down wastes.

Enables Reproduction

Water is a key component of birth - the reproductive cycle of all animals mimicking the life-spawning ocean. In mammals, sperm are carried by water to impregnate the egg. Once impregnated, all nutrients in a female's body that a baby will need are carried by water (amniotic fluid) to the womb, before leftovers are distributed to the mother. Babies are born with a gush of water and are immediately fed with water that is nutrient rich. Birds produce eggs that are mostly water mixed with nutrients for the growing life inside.

Without water there would be no reproduction, hence continuation of life as we know it.

Babies of mammals grow inside a bubble filled with nutritious water called the amniotic sac. The water cushions them and helps propel them out of the womb at birth.
Babies of mammals grow inside a bubble filled with nutritious water called the amniotic sac. The water cushions them and helps propel them out of the womb at birth. | Source

Provides a Home

In addition to being the soup from which life emerged, the ocean and other water bodies act as home for more life than what lives on land. Mammals, fish, birds, insects, trees, plants, algae, krill, and many other forms of life either live directly in water or are wholly dependent upon it for survival. This includes the tiny iceworms, copepods, and diatoms that inhabit trillions of minuscule tunnels in icebergs and their undersides, providing food for whales and fish that migrate to the poles to eat.

Without water life would lose its primary food source.

Krill are tiny organisms that grow on the surface of the sea in plankton. Whales and ocean fish of all kinds depend on krill as a basic component of their diet.
Krill are tiny organisms that grow on the surface of the sea in plankton. Whales and ocean fish of all kinds depend on krill as a basic component of their diet. | Source

Helps Make Things

Water and carbon dioxide are the two key components of plant photosynthesis, which is how plants make their food. Bees use water to make honey, flowers use water to make nectar, trees use water to make pitch, spiders and snakes use water to make venom, and termites mix saliva with mud to make their homes.

Humans use water to make paint, dyes, inks, all kinds of drinks, and we bottle it straight. We use it for paper, fabrics, food processing, chemical compounds, and the manufacture of hundreds of other products essential to modern living.

Without water, plants and many insects and arthropods could not survive, nor would humans have developed the foods and industries we have.

Caring About Water

To humans, as creators of our own lives, water is our servant. We use it to grow crops and livestock, to cleanse and keep ourselves healthy, to stimulate ideas for products, and to transport those products. We use its cycles to helps us understand ourselves and to remind us that our own lives also work in cycles.

But if we abuse water, like masters have a tendency to do with servants, if we don't care for it and preserve it, we will end up destroying ourselves. We need the rain forests, the swamplands, the open rivers and lakes, the estuaries, icebergs, snow tops - water in all its natural forms we need. And so does the rest of life.

Recent research has shown that tropical jungles create their own rain. We need them to stay alive, so we can thrive.
Recent research has shown that tropical jungles create their own rain. We need them to stay alive, so we can thrive. | Source

If, instead of commanding it, we could conceive of ourselves as a partner or an intelligent component of water's own rain and storage cycle, it might encourage us to be more respectful of what water can do and more careful of the way we utilize it.

With water, we thrive. Without water, there is no life. We must learn to value, conserve, and take care of the water we have.

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Comments 15 comments

whonunuwho profile image

whonunuwho 4 years ago from United States

Good hub...imagine the atmosphere of Mars and you would have a pretty good idea of what the planet would be like without water. Water is the essence of all earthly life forms and without it, we ,and all other living thing would perish.


LillyGrillzit profile image

LillyGrillzit 4 years ago from The River Valley, Arkansas

Thank you for writing this Hub. Water is life, and perhaps awareness will cause earthlings to take better care.


watergeek profile image

watergeek 3 years ago Author

I hope so, Lilly. There are a lot of people who know how important water is, I think, but not many who are willing to do something to care for it. Thanks to both of you for reading and commenting.


LillyGrillzit profile image

LillyGrillzit 3 years ago from The River Valley, Arkansas

This is a topic dear to my heart, I have dedicated my life to human rights, and environmental activism. As you are aware the two are often entertwined. I agree not many are willing to change their thinking to care for it. Most people do not want to know the hard realities. Write on!


watergeek profile image

watergeek 3 years ago Author

Thanks Lilly - I have started writing about the role of water in our bodies too - maybe that will wake people up. Thanks, also, for your dedication to this great work.


expertscolumn profile image

expertscolumn 3 years ago from New York

I like how you contrasted with a void of water to give us a meaning of the importance of water.


Sunshine625 profile image

Sunshine625 3 years ago from Orlando, FL

I could not imagine life without water. Heck, there wouldn't be life without water! Excellent hub! Well researched and laid out.


watergeek profile image

watergeek 3 years ago Author

I've been wondering, also, how much our lack of regard for water on this planet has contributed to climate change (both warming and cooling). It's something I'm exploring now with a book I'm writing. More info in hub form coming up!


Jen Card profile image

Jen Card 3 years ago

Watergeek, Thank you for this educational hub. I knew some of what you mentioned but was enlightened by so much more! Thank you. Water is an element of life that will in time show us who is the boss! There is an amazing book by Masaru Emoto "The True Power of Water" you might enjoy. It tells how there is a life force within water itself. It also shares the abilities that water possess and when we connect with water as a "partner" (as you mentioned) the healing is amazing! Thank you again for this informative article. I look forward to viewing more of your work. ~Jen


biochemi 2 years ago

Well biochemically water is the life. If you look at the glucose molecule u can see there is six OH and H groups ( which represents water molecule) are attached to six carbon atoms in one is to one ratio. Simply we can say glucose or even fructose and all the sugars in similar way are the hydrates of carbon and therefore called as carbohydrates. In the same way lipids (in fact fatty acids) and amino acids also contain OH and H groups attached to carbon. All these indicate the importance of water molecules in life. Life cannot exist without water.


watergeek profile image

watergeek 2 years ago Author

Thanks Jen and biochemi - When I first started writing hubs about water, people were wondering how long it would last. But the more I wrote, the more I found to write about. As you recognize, the water is so essential to life and healing, that there pretty much isn't any without it.


adevwriting profile image

adevwriting 16 months ago from United Countries of the World

H2O is really important. Because of H2O we, humans, are able to discuss about its importance :-). There would be none to discuss about it if there was no water.


aosproducts profile image

aosproducts 6 months ago from new Delhi India

Without water you can't think about of Life, its fully combination of Hydrogen and Oxegen that most useful for lives.


watergeek profile image

watergeek 5 months ago Author

That's true . . . for ALL of life too, not just us.


Houda 12 days ago

I love this article it's full of information thank you very much

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