Coral reef in New Caledonia.

We're crocheting a coral 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.

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

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

Why not chisel a coral reef out of marble?

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

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

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

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

When you think of a coral reef, this is what most people think of these big, hard, elaborate corals,

They've borrowed the recipe from the coral reef, and they're using CO2 as a building block in cement, in concrete.

Coral

Coral

coral

If you look at this diagram of a coral reef, we know a lot about that part up near the top.

If we get all of the fish of a coral reef together and weigh them, this is what we would expect.

A great deal of this has been happening in the Great Barrier Reef, particularly in coral reefs all over the world.

And actually most of the fish, they are a little spot on the debris, the piles of debris, were coral reef fish.

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

Reef them down. Men!

And we published a paper in Science, the first time that anybody ever described the destruction on a coral reef by a major hurricane.

The Coral Galaxy!

And they said they were having an exhibition about artists' response to global warming, and they'd like our coral reef to be part of it.

So David Obura, a coral reef biologist, and I went to Tarawa, and we presented for two hours on the amazing findings of the Phoenix Islands.

All that white coral.

Self Parking, Events Center, Shark Reef.

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

Like unto Rubies and coral.

You have things like coral.

This is a bleached coral, coral that died during the 1982 '83 El Nino.

like Kingman Reef, which is now protected.

I'd never seen the reef here before.

lovely as rubies, beautiful as coral

From them emerge pearls and coral.

Things like coral and so forth.

It's built entirely of coral reefs.

The ship was wrecked on a sunken reef.

Nassau groupers in Belize in the Mesoamerican Reef.

Why on earth are you crocheting a reef?

They are like rubies and coral stone.

As though they are jacinth and coral.

As if they were rubies and coral.