The earth has an elegant cycle of life.
The earth has an elegant cycle of life.

It’s the story of carbon.
It’s the story of carbon.

And over billions of years, it has evolved to look something like this.
And over billions of years, it has evolved to look something like this.

And it starts with a plant.
And it starts with a plant.

Plants and microorganisms absorb carbon dioxide from the atmosphere.
Plants and microorganisms absorb carbon dioxide from the atmosphere.

Then they use energy from the sun to convert that carbon into oxygen…
Then they use energy from the sun to convert that carbon into oxygen…

And sugar, which they use to grow.
And sugar, which they use to grow.

And as they grow, they emit some carbon back into the atmosphere.
And as they grow, they emit some carbon back into the atmosphere.

But all plants eventually die.
But all plants eventually die.

And some are consumed by bacteria — others by larger beasts.
And some are consumed by bacteria — others by larger beasts.

These animals eat plants for energy.
These animals eat plants for energy.

And they breathe out carbon.
And they breathe out carbon.

But eventually, those animals die, too.
But eventually, those animals die, too.

And they end up in the ground.
And they end up in the ground.

Meanwhile, a similar thing happens in the ocean.
Meanwhile, a similar thing happens in the ocean.

Coral and plankton need carbon from the water to survive.
Coral and plankton need carbon from the water to survive.

Luckily, the ocean has carbon because it absorbs some from the atmosphere.
Luckily, the ocean has carbon because it absorbs some from the atmosphere.

And, when rain falls to the earth, it grabs some carbon from the atmosphere...
And, when rain falls to the earth, it grabs some carbon from the atmosphere...

... and from rocks...
... and from rocks...

… and flows into the ocean, where the coral and plankton use carbon to grow.
… and flows into the ocean, where the coral and plankton use carbon to grow.

Or other animals use it to grow.
Or other animals use it to grow.

But just like animals, the coral and plankton die, too.
But just like animals, the coral and plankton die, too.

In short, all living things are made of carbon — and they eventually end up in the ground.
In short, all living things are made of carbon — and they eventually end up in the ground.

Some of that carbon will eventually get back to the atmosphere.
Some of that carbon will eventually get back to the atmosphere.

But some of it normally stays in the ground.
But some of it normally stays in the ground.

Usually, dead things decay and turn into rocks.
Usually, dead things decay and turn into rocks.

Eventually, they’re crushed — and extreme heat and pressure causes them to melt…
Eventually, they’re crushed — and extreme heat and pressure causes them to melt…

and emit the carbon, which is trapped underground.
and emit the carbon, which is trapped underground.

Over time, that trapped carbon eventually escapes into the atmosphere — when volcanoes
Over time, that trapped carbon eventually escapes into the atmosphere — when volcanoes

erupt.
erupt.

And the cycle starts again.
And the cycle starts again.

But occasionally, dead plants and animals don't turn into rock.
But occasionally, dead plants and animals don't turn into rock.

They don't decay fast enough, so they turn into oil, coal, or natural gas…
They don't decay fast enough, so they turn into oil, coal, or natural gas…

This carbon gets stuck in the ground.
This carbon gets stuck in the ground.

This is the elegant system that keeps carbon cycling through Earth at a steady pace.
This is the elegant system that keeps carbon cycling through Earth at a steady pace.

Carbon in the atmosphere keeps some heat from leaving Earth.
Carbon in the atmosphere keeps some heat from leaving Earth.

It keeps Earth at a stable temperature.
It keeps Earth at a stable temperature.

But very recently, one of these animals started to dig up the carbon in the ground.
But very recently, one of these animals started to dig up the carbon in the ground.

They took the carbon that was stuck in the ground and put it back into the atmosphere.
They took the carbon that was stuck in the ground and put it back into the atmosphere.

And they did this so much — in such a short time span — that this cycle was disrupted.
And they did this so much — in such a short time span — that this cycle was disrupted.

Too much carbon was being put into the atmosphere.
Too much carbon was being put into the atmosphere.

Heat that would normally be able to escape bounced back and stayed on Earth.
Heat that would normally be able to escape bounced back and stayed on Earth.

And Earth started to get warmer and warmer.
And Earth started to get warmer and warmer.

Really recently, just a few months ago, more than 100 bipedal scientists said they
Really recently, just a few months ago, more than 100 bipedal scientists said they

might only have 12 years to stop a disastrous amount of warming.
might only have 12 years to stop a disastrous amount of warming.

So these animals need to not only stop putting carbon in the atmosphere, but also get carbon
So these animals need to not only stop putting carbon in the atmosphere, but also get carbon

out of the atmosphere.
out of the atmosphere.

They found that one way to remove carbon is to grow more plants.
They found that one way to remove carbon is to grow more plants.

They could stop cutting down trees.
They could stop cutting down trees.

Or raise livestock in ways that help restore grass.
Or raise livestock in ways that help restore grass.

Another way is to let plants suck up carbon from the atmosphere —
Another way is to let plants suck up carbon from the atmosphere —

— but then burn them for energy.
— but then burn them for energy.

And then trapping the carbon they emit underground.
And then trapping the carbon they emit underground.

They could also build machines to suck air from the atmosphere and filter out the carbon.
They could also build machines to suck air from the atmosphere and filter out the carbon.

But they haven't figured out how to do this fast enough.
But they haven't figured out how to do this fast enough.

There are many ways these animals can tweak this cycle to suck carbon out of the atmosphere.
There are many ways these animals can tweak this cycle to suck carbon out of the atmosphere.

A combination of them is probably the best way forward.
A combination of them is probably the best way forward.

But, first, these animals need to figure out how to stop putting it there in the first place.
But, first, these animals need to figure out how to stop putting it there in the first place.

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