Great Barrier Reef.

And that is the same reef that's the same reef 15 years ago that's the same reef today.

Reef them down. Men!

Coral reef in New Caledonia.

We're crocheting a coral reef.

Self Parking, Events Center, Shark Reef.

! He was taken off the reef...

The little clownfish from the reef.

A hundred yards off the reef.

I can't see the reef, mate.

And there's a beautiful reef, very complex reef, with lots of animals, including a lot of octopus.

like Kingman Reef, which is now protected.

I'd never seen the reef here before.

The dentist took him off the reef.

The ship was wrecked on a sunken reef.

Nassau groupers in Belize in the Mesoamerican Reef.

I'm an ecologist, mostly a coral reef ecologist.

Why on earth are you crocheting a reef?

Now, see this strange, underwater, coral reef looking thing?

The Australian Great Barrier Reef is another success story.

Why not chisel a coral reef out of marble?

How does the reef work? Well, it's very, very simple.

Do we have evidence of this? Yes, coral reef systems.

This is our invocation in crochet of a bleached reef.

Very unlikely, Joe would jump on a pristine coral reef, a virgin coral reef with lots of coral, sharks, crocodiles, manatees, groupers, turtles, etc.

They clean the reef everything that grows enough to be seen, they eat, and they keep the reef clean and allow the corals to replenish.

And the people in Chicago made a reef of their own.

I live on this reef a long, long way from here.

Under the realization from tourist operators, fishermen, the Australian Great Barrier Reef Authority and scientists that the Great Barrier Reef is doomed under the current governance regime.

Anyway, one tree is situated right next to a beautiful coral reef.

The water had started coming back. It was foaming over the reef.

And so now you can walk through a coral reef without getting wet.

I want to be able to go back to this reef. Thank you.

The reef is like a thousand jewels, sparkling right in front of you.

Now, I found the plate near the reef just on the other side.

We thought we had a handle on all the reef fish diversity evidently not.

It's the only threat, the only influence that the reef had to deal with.

So we had our own miniature rainforest, a private beach with a coral reef.

So in 2007 we had an exhibition, a small exhibition of this crochet reef.

About a hundred yards off the reef. Right where we always said she'd be.

I didn't. It's the only beach on the island not blocked by the reef.

So if the United States removes a million dollars' worth of lobsters from a reef,

If Joe jumped in a coral reef, there are many things the alien could see.

It's like scuba diving into a coral reef, except you're going upward instead of downward.

I found that guy struggling for life... out on the reef, and I saved him.