For millions of years, the Colorado River flowed from high up in the Rocky Mountains

all the way down to the Pacific Ocean, spilling into the Gulf of California.

But not anymore.

In our final installment of our series on the Colorado River, we reached the end of the line, the Delta.

Yeah, I mean, there's something about a river meeting the sea, or not meeting the sea, right?

The idea that a river should reach its end.

It's like if one of your veins didn't reach the heart.

Mm-hmm.

And thinking about how we cost that.

The transition that has taken place in the Colorado River Basin is astounding.

The Colorado River Basin is in its 23rd year of a historic drought.

This is a full-on five-alarm fire going on right now.

We know this system is taking everything from us,

and it's not going to stop until we stop it.

This is the end of the Colorado River here.

It's where the Colorado River would meet the sea

if so much water wasn't taken out upstream from here.

For decades now, so much water has been diverted to cities and farms

that the river usually disappears shortly after it gets into Mexico,

miles before it reaches the sea.

But then last spring, water flowed into parts of the Colorado River Delta again.

It was very impactful seeing the dry river bed and then this very small stream of water coming full speed. That flow was part of an ongoing

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