Africa is in many ways a touchstone for and an example of an effective multilateral system.

The more we keep on using the oil, particularly the imported oil, the more we face a very obvious array of problems.

Under a stone...

They're clinging to a rock face and actually scraping bacteria off that rock face.

And architect Christian Kerrigan has come up with a series of designs that show us how it may be possible to actually grow a limestone reef underneath the city.

The talk will be broadly about energy, but oil's a good place to start.

Despite progress made, the diamond sector continues to face many serious challenges.

Fernando, put down those stones!

Bring all the petroleum you can.

A rock fell from above.

They set in it four rows of stones. A row of ruby, topaz, and beryl was the first row

They set in it four rows of stones. A row of ruby, topaz, and beryl was the first row

And they set in it four rows of stones the first row was a sardius, a topaz, and a carbuncle this was the first row.

And they set in it four rows of stones the first row was a sardius, a topaz, and a carbuncle this was the first row.

My ma never had any husband any more than you, but she got jewelry diamonds and ruby rings and large stone necklaces.

an inlet among the rocks, many rocks that... she had never realized,

You shall set in it settings of stones, four rows of stones a row of ruby, topaz, and beryl shall be the first row

You shall set in it settings of stones, four rows of stones a row of ruby, topaz, and beryl shall be the first row

And thou shalt set in it settings of stones, even four rows of stones the first row shall be a sardius, a topaz, and a carbuncle this shall be the first row.

And thou shalt set in it settings of stones, even four rows of stones the first row shall be a sardius, a topaz, and a carbuncle this shall be the first row.

That's odd, then. It's going fast.

You're something from under a rock.

There he is, behind that rock.

There were ninety six pomegranates on the sides all the pomegranates were one hundred on the network all around.

There were ninety six pomegranates on the sides all the pomegranates were one hundred on the network all around.

And there were ninety and six pomegranates on a side and all the pomegranates upon the network were an hundred round about.

And there were ninety and six pomegranates on a side and all the pomegranates upon the network were an hundred round about.

You see a lot of oil on the ocean.

No water, rocky soil.

She picked up beautiful stones.

You see a lot of oil on the ocean.

The remainder are all weather roads of crushed stone surface.

One of the stones has fallen out.

It's just a lot of rock, and then a lot of water and wind, and a lot of time, and you get the Grand Canyon.

It's not because we have a lot of it.

You see a lot of oil on the shoreline.

I bet it feels better with that cast off.

The role of diamonds in fuelling conflict

I'll write the name on the bottom of this stone.

So, that's one of the stories of oil there's just a lot of it.

Third, we face steeply rising prices for fossil fuels, as developing countries growth drives up demand and conventional supplies of coal, oil, and gas are depleted. Sure, we can find more fossil fuels, but at much higher cost and at much greater environmental risk from industrial spills, waste products, leaks, and other damage.

And this stone takes a perfect polish.

The dispersants make the oil go right under the booms.

On the reverse side of this miniature is a diamond.

Yes, sir, the gravel's all been scattered!