The Siberian tiger is on the verge of extinction.

This bird is in danger of dying out.

These animals are on the verge of extinction.

These animals are on the verge of extinction.

And our new project is having the inmates and ourselves

Many species of insects are on the verge of extinction.

Many fragile species are on the verge of extinction.

Some wild animals are on the verge of extinction.

Nearly one third of the world's amphibian species are endanger of extinction, and over 100 species have already disappeared.

A fund was set up to preserve endangered marine life.

and, if anything, at a far greater rate.

Middleearth stands upon the brink of destruction.

That bird is now in danger of dying out.

You say we're on the brink of destruction and you're right.

Give us that kind of dreaming, that kind of doing.

80 percent of all amphibians are threatened and in come decline.

When they are in danger, they run away.

Evolutionarily speaking, we're just a blip.

I love a challenge, and saving the Earth is probably a good one.

Now, rather than saying that we're on the brink of our own annihilation,

Considered extremely dangerous.

He is extremely dangerous.

A fund was set up with a view to preserving our endangered planet.

They're thinking about putting it on the insides of buildings to move water up without pumps.

Those animals were in danger of dying out.

I think I'm in danger.

As a test case, I propose we start with American dancers.

It's not my reputation at stake here.

They're excited about all this, but they're also concerned that it might be competitive with the extremely important efforts to protect endangered species that are still alive, that haven't gone extinct yet.

Fire is very dangerous.

Do you think those people would behave so

These are two creatures that were created in order to save endangered species.

Look,this family's reputation is already hanging by a thread.

is a very dangerous place.

Of the 15 percent evaluated, 20 percent are classified as in peril, that is, in danger of extinction.

Xerxes' hordes face obliteration.

Who is considered to be extremely dangerous.

I repeat Extremely dangerous.

This is very dangerous.

Here's one risk of extinction that we all became aware of recently, when an asteroid passed close to our planet.

There's oil spills, environmental disasters, water rights disputes, breakaway republics, famine, endangered species and global warming.

We have now entered in the 6X, the sixth major extinction on this planet.

And to think that in 30, 40 years they could become extinct.

In 1939, as in 1914, the world was on the brink of war.

But, but this seems a bit unfair, right?