#earthscience

Water is everywhere. It covers most of our planet falls as rain fills rivers and oceans and keeps every living thing alive. Even though we see water every day many people do not realize how amazing it really is.

Here are some amazing water facts that might change the way you think about our planet.

1. Earth Is 70% Water Most of It Isn't Drinkable

About 70% of Earths surface is covered with water.. Around 97% of it is salty ocean water. About 3% is freshwater.. Most of that freshwater is frozen in glaciers or hidden deep underground. Than 1% of water is easily available for people, animals and plants.

2. Every Drop of Water Has Been Around for Millions of Years

The water you drink today may have once been part of a glacier, a rainforest or even existed during the time of the dinosaurs. The water cycle constantly recycles Earths water through evaporation, clouds, rain, rivers and oceans. Water is water. It keeps circulating.

3. Oceans Help Create Freshwater

Oceans play a role in the water cycle. Heat from the Sun causes ocean water to evaporate. This leaves the salt behind. The water vapor forms clouds that eventually bring rain to the land. Oceans help make freshwater.

4. Wildlife Depends on Clean Water

Rivers, lakes and wetlands support species of fish, birds, frogs, turtles and insects. Protecting water also protects biodiversity and healthy ecosystems. We need water for wildlife.

5. Small Habits Can Save Thousands of Liters

Turning off the tap while brushing your teeth fixing leaks and taking showers can save a lot of water over time. Every small action helps save water.

Learn More About Our Planet

Teaching children, about water conservation helps build awareness from an early age. Spika Creation offers illustrated childrens stories that make learning about water, nature and science both fun and engaging.

Explore more here!

Final Thoughts

Have you ever thought about why people are always talking about saving water when we have so many oceans, rivers and lakes on our planet? It seems like we have a lot of water. The thing is, freshwater is actually really hard to come by.

70 percent of the Earth is covered in water but almost all of it about 97 percent is salty ocean water that we cannot drink or use to grow food. Most of the freshwater we do have is stuck in glaciers or deep underground. This means that only a tiny bit of the Earths water is available for people, animals and plants to use.

Why is freshwater so important to us?

Freshwater is really important for life. We need it for things, such as

drinking clean water

growing food

cooking and cleaning

helping animals

keeping our forests, rivers and lakes healthy

Without freshwater our planet would not be a nice place to live.

Why is freshwater getting harder to find?

There are things that are making it harder for us to have enough freshwater, such as

pollution in our rivers and lakes

climate change

more people being born

using too much groundwater

wasting water every day

These are big problems so we need to save water now more than ever.

What can we do to help?

We can start by doing things every day, such as

turning off the tap when we brush our teeth

taking shorter showers

fixing leaks

not wasting clean water

teaching kids about saving water

If we all do these small things it can make a big difference.

Want to learn more?

If you want to teach kids about the water problem in a way Spika Creation has a great article that is easy to understand and has fun things to learn.

Read it here!

The Earth is often called the Blue Planet because a lot of its surface is covered with water. When you look at it it seems like it would be impossible for the world to ever run out of water.. If there is so much water around us then why do so many people still have a hard time getting clean drinking water?

The answer to this question is found in science. The Earth has a lot of water. Only a small amount of it is good for us to use every day. When we understand this it helps kids see why every single drop of freshwater is important and why we all need to help protect it.

Not All Water Is Good to Drink

One thing that might surprise you about our planet is that most of the water on the Earth is in the oceans and seas and it is too salty for people to drink.

The rest of the water is freshwater. A lot of it is stuck in glaciers, ice caps or deep underground. Really only a tiny part of the Earths water is easy to get to and use for drinking, farming, cooking and helping animals.

We have to share this amount of water with a lot of people, animals and plants all around the world.

How the Water Cycle Works

The Earth has a way of recycling water and it is called the water cycle.

The Sun heats up the water in the oceans. It turns into air. As the air cools down it forms clouds. Eventually the clouds get too heavy. They release rain or snow which gives us freshwater in our rivers, lakes, forests and towns.

This process has been happening for millions of years. It helps keep our water clean.. Even though the water is always moving there is still not enough freshwater for everyone.

Why We Have a Water Problem

We have a water crisis when it is hard to get freshwater.

There are reasons why this happens:

Pollution gets into our rivers and lakes.

The weather is. This means we have longer periods without rain and unpredictable rainfall.

More people are being. This means we need more water.

We are using much water from underground and this is making it run out.

We waste water every day. This reduces the amount of water we have.

All these things make freshwater one of the important resources we have on the Earth.

Why Freshwater Is Important

Freshwater is necessary for life.

People need it to drink, cook and wash their hands. Farmers need it to grow food and animals need it to survive. We also need freshwater to keep our forests, wetlands and ecosystems healthy.

When we protect freshwater we are protecting people and the Earth at the time.

How Kids Can Help

Even small actions can make a difference.

Kids can help by:

Turning off the tap when they are brushing their teeth.

Taking showers.

Using the water they need.

Learning about taking care of the Earth.

Telling their friends and family to save water.

When kids do these things they are learning to be responsible and help keep freshwater safe for the future.

Learn More with Fun Stories

Kids often learn best when they are told stories and do activities.

If you want to learn more about the Earths water crisis in a way you can read the original article from Spika Creation:

It has to-understand explanations fun facts, quizzes and interactive games to help kids learn why freshwater is so important.

Final Thoughts

Science helps us understand that the Earths water crisis is not because we do not have water but because we do not have enough clean freshwater for everyone.

When kids learn about the water cycle why freshwater is scarce and how their daily habits affect the Earth they can learn to respect and take care of one of our planets important resources.

At glance Earth looks like it has plenty of water. From space our planet looks blue because oceans cover 70% of its surface. This makes people think that water is easy to find and use.

However the truth is different.

Even though water covers most of Earth only a small part is clean, fresh and easy to use. Understanding this helps explain why many people still don't have water.

Most of Earths water is in oceans and seas.. It's too salty to drink cook with or grow crops with.

About 3% of Earths water is freshwater. Most of that is frozen in glaciers, ice caps or deep underground. This leaves than 1% of Earths water for people, animals and plants to use every day.

That small amount of water has to support billions of people.

Why Are There Still Water Shortages?

The water problem isn't because theres not water on Earth. It's because people can't easily access freshwater. The available water is also under a lot of pressure.

Some big challenges include:

Pollution in rivers and lakes

Climate. Long droughts

Using much groundwater

More people on Earth

Wasting water every day

When freshwater gets polluted or runs out communities have a time getting safe drinking water.

Freshwater Is Important for Life

Freshwater is crucial for people and nature.

It helps farmers grow food gives families drinking water supports animals and keeps forests healthy. Rivers and lakes are home to species that need clean water to survive.

Protecting freshwater means protecting life.

Simple Ways to Help

Saving water starts with habits. Even small actions can make a difference over time.

You can help by:

Turning off the tap while brushing your teeth

Taking showers

Fixing faucets

Using water only when you need it

Teaching kids to save water

When many people do these things it makes an impact.

Making Water Education Fun

Kids learn better when its fun and interactive. Stories, pictures, quizzes and fun facts make learning about water conservation easier.

If you want to teach kids about the water crisis check out this article from Spika Creation!

The article uses stories, science and interactive learning to help kids understand why freshwater is precious.

Why Learning About Water Matters

Teaching kids about water conservation helps them develop habits. When kids understand where freshwater comes from and why its limited they appreciate nature. Want to protect it.

Environmental education doesn't have to be complicated. One engaging story can inspire kids to care about the planet.

Final Thoughts

Earth may be called the "Blue Planet ". Its usable freshwater is scarce. Although oceans cover most of Earth only a small part of water is available for people, animals and ecosystems.

By understanding the truth, about Earths water we can make choices reduce waste and teach future generations to value water.

We often assume we've discovered nearly everything about life on Earth. But what if we haven't?

The Shadow Biosphere is a fascinating scientific hypothesis suggesting that Earth could host life forms with a completely different biochemistry—organisms so unlike known life that our current tools might not even recognize them.

While no evidence has confirmed this idea, it raises an important question: Are we searching for life too narrowly?

Scientists continue exploring some of Earth's most extreme environments, including: 🧂 Hypersaline lakes 🌊 Deep underground aquifers 🌋 Hydrothermal vents 🏜️ Ultra-dry deserts ☢️ Highly radioactive environments

The well-known GFAJ-1 arsenic bacteria announcement in 2010 reminds us that extraordinary claims require extraordinary evidence. Although the original claim was later challenged, it demonstrated how science advances through rigorous testing, peer review, and continuous questioning.

Whether the shadow biosphere exists or not, one thing is certain: our planet still holds remarkable mysteries. Every discovery expands our understanding of life—not only on Earth, but potentially throughout the universe.

At The Planet Earth Foundation, we believe curiosity, evidence, and scientific exploration are essential for understanding and protecting our world.

The sky over Quebec was green. Silent. Almost peaceful. Nobody panicked. Nobody ran. People just stood there, looking up, the way you do when something is too beautiful to question.

Ninety-two seconds later, six million people lost power. The entire provincial grid collapsed before anyone understood what was happening. The lights that caused it were still dancing overhead.

March 13, 1989. The aurora borealis put on a spectacular display — and triggered a blackout across Quebec, according to the NOAA Space Weather Prediction Center. The beauty and the damage were not separate. They happened together.

What the Green Light Is Actually Telling You

An aurora begins at the sun. Not at the sky — at the sun. The solar surface periodically releases coronal mass ejections: billions of tons of magnetized plasma moving toward Earth at speeds between 500 and 3,000 kilometers per second. Earth's magnetic field deflects most of it. At the polar regions, where the field lines dip and funnel inward, some of that material gets through.

At altitudes between 100 and 300 kilometers, those particles collide with oxygen and nitrogen molecules. The collision transfers energy. The energy releases as light. Green aurora — the most common type — comes from atomic oxygen at roughly 100 kilometers altitude. The green light is not random. It is the visible result of particles colliding with the upper atmosphere.

Few understood they were watching a Kp 9 geomagnetic storm. It induced currents so powerful in the ground that nearby transformers simply failed. The 2013 Lloyd's of London risk analysis estimated that a comparable event striking today's infrastructure could cost between 600 billion and 2.6 trillion dollars in the United States alone. The green light is beautiful. Few people realize what it means.

The Cloud That Hit a Ceiling — and Kept Pushing

Most people see a storm cloud and think: rain. What they are actually looking at is a heat engine.

When surface air heats faster than the air above it, it rises. Moisture condenses as it climbs, releasing latent heat. That heat drives the column higher. The process feeds itself — harder, faster, until the rising air hits the tropopause, the hard boundary between the troposphere and the stratosphere, sitting roughly 12 kilometers above sea level. There, it cannot climb any further. The air spreads outward and forms the flat anvil visible at the top of a mature cumulonimbus.

The NOAA National Severe Storms Laboratory documented updraft velocities surpassing 175 kilometers per hour inside supercell thunderstorms between 2010 and 2022. Inside that column, ice particles collide and separate electrical charge across vertical distance. When the differential exceeds what air can insulate, it discharges. In milliseconds, a single lightning bolt heats the surrounding air to approximately 30,000 Kelvin — a temperature hotter than the sun's surface. The anvil top is the visible ceiling of that process. It is not just a storm cloud. It is a system turning heat into motion and electricity.

The Rainbow That Isn't One

Look at the arc in the photograph. Your instinct says rainbow. Your instinct is wrong.

What sits above that granite peak is a circumzenithal arc — produced not by raindrops but by hexagonal plate-shaped ice crystals suspended in high-altitude cirrus cloud. A standard rainbow requires liquid water and appears opposite the sun. This arc requires ice and appears in a different part of the sky, produced by refraction through the flat horizontal faces of crystals too small to see. The physics is identical. The source material is not.

The NOAA Atmospheric Optics program has documented over 40 distinct optical phenomena operating on these principles — halos, glories, coronae, arcs. Many of these pass unnoticed above populated areas every day. The circumzenithal arc only appears when the sun sits below 32 degrees above the horizon. Higher than that and the geometry no longer directs the refracted light toward any observer on the ground. These conditions happen more often than people realize. Most pass unnoticed.

Red Means Something Burned

The sky in this photograph is not on fire. But something was — and recently enough that the evidence is still crossing the horizon.

When the sun sits low, its light must travel through roughly 40 times more atmosphere than at midday, according to NOAA Earth System Research Laboratories calculations. That distance is not neutral. Atmospheric molecules scatter shorter wavelengths — blue, violet — outward in every direction. By the time the light reaches your eye, most of the blue has scattered away. What remains are the longer red and orange wavelengths.

After Krakatoa erupted in 1883, stratospheric sulfur dioxide particles enhanced this scattering, causing crimson sunsets to be documented in areas like Norway for months. The same effect occurs with wildfire smoke, with volcanic ash, with heavy industrial particulate. A deep red sky is not just a color. It is a record of what the air has been carrying for the past several hours. The signs are there almost every evening. Most people never notice them.

The Storm That Begins Rotating

There is a small house in the lower right corner of that photograph. It is still standing. For now.

What surrounds it is a supercell — not an ordinary severe thunderstorm, but a storm in which the entire updraft column has developed persistent, organized rotation. That rotation is driven by vertical wind shear: horizontal layers of air moving at different speeds, which tilt rotating air masses from horizontal to vertical as they are drawn upward. Each layered band visible in the image represents air at a different altitude being pulled into the system at a different velocity.

The NOAA Storm Prediction Center recorded 1,376 confirmed tornadoes in the United States in 2023 alone, the majority associated with supercell activity. The 2011 Joplin, Missouri tornado — produced by a supercell meteorologists had tracked for over an hour — killed 158 people and carved a damage path 35 kilometers long. Peak winds exceeded 320 kilometers per hour. The pressure change was powerful enough to damage structures beyond ordinary wind impact. Watching that formation from a distance raises a difficult question: how much of what you are seeing is information, and how much is just weather, indifferent to whether you understand it or not?

What the Sky Will Not Tell You on Its Own

Every phenomenon described here carries a limit worth stating plainly. The aurora does not always precede a blackout. A red sky does not always mean Krakatoa. A supercell does not always produce a tornado. The sky shows what is happening. Understanding it requires context.

The "red sky at morning, sailor's warning" maxim has genuine meteorological grounding. Low-pressure systems tend to move eastward, and a red morning sky suggests moisture-laden air approaching from the west. But it is a heuristic built for a specific geography and a specific century, and it fails outside those conditions. Modern numerical weather prediction — run by NOAA's National Centers for Environmental Prediction using physics-based models updated continuously with real observational data — replaced that intuition not because it was useless, but because it was incomplete. The sky you see is the output of a system. The inputs are accessible only through instruments. Drawing confident conclusions from visual appearance alone, without the surrounding data, is a kind of confidence that atmospheric scientists have spent decades working to correct.

Knowing this does not make the sky less worth watching. It makes it worth watching more carefully.

Archive Notes

Why does the aurora sometimes appear red instead of green?

Color depends on which gas is excited and at what altitude. Oxygen above approximately 200 kilometers emits red light. Green aurora comes from oxygen between roughly 100 and 150 kilometers. During the extreme geomagnetic storm of May 2024, red auroras were visible as far south as northern Africa and parts of Mexico — latitudes where the phenomenon is almost never observed. During the Carrington Event of September 1859, red and white auroras were reported by observers in Cuba, Jamaica, and Hawaii, the most equatorial aurora sightings in the historical record.

What actually separates a supercell from any other severe thunderstorm?

A supercell is defined by persistent, organized rotation throughout its updraft column — a structure called a mesocyclone. Ordinary severe thunderstorms lack this deep rotational organization. The NOAA Storm Prediction Center classifies supercells separately because they produce a disproportionate share of large hail, damaging straight-line winds, and significant tornadoes relative to how frequently they occur. The Moore, Oklahoma tornado of May 20, 2013 — tracked for over an hour before it touched down — carried peak winds of approximately 340 kilometers per hour and killed 24 people.

Can a circumzenithal arc appear at any time of day?

No. The phenomenon requires the sun to sit below approximately 32 degrees above the horizon. Above that angle, the geometry of refraction through horizontal hexagonal ice crystals no longer directs light toward an observer on the ground. It also requires cirrus cloud containing the right crystal orientation — common but not guaranteed. These two constraints together mean circumzenithal arcs appear most often in morning and late afternoon, more frequently at higher latitudes where solar elevation stays lower for longer periods.

What You Now Know

The sky over Quebec was green and silent. It was also, at that exact moment, destroying the electrical infrastructure of a province. Beauty does not always arrive without consequences. More often than people realize, they arrive together — and the only difference between seeing and understanding is whether you know what you are looking at.

Tip For Readers

The NOAA Space Weather Prediction Center publishes real-time geomagnetic storm alerts and aurora visibility forecasts updated continuously. If you want to know when the sky is operating at its most consequential — before the lights go out — that is where to look.

Verified Sources