Our planet Earth is one of many planets in space, and not the largest one.0:04
Nowadays, as we know, it's the only place where people can live.0:10
On our planet, there is air that people can breathe.0:14
There is water they can drink.0:18
There are things to eat, to make clothes and to build houses from.0:20
We can't live without plants and animals.0:26
They help us in many ways.0:29
They clean the water and air.0:31
But they are all in danger.0:35
Living beings, people and animals and living things, trees and flowers, need clean air to breathe, clean water to drink, and good food to eat.0:37
But alas, many places on the Earth are becoming dangerous for life.0:49
For example, the air in big cities is not clean and fresh anymore.0:55
It is sometimes difficult to breathe there.0:59
People who live near rivers and lakes can't often drink water from them because it is not drinkable.1:02
Sometimes the water becomes so dirty that it's impossible to swim in it or use it for washing up.1:09
People do a lot of harm to nature.1:16
Wild animals can't live in places where man lives.1:19
For example, sea animals, dolphins, crabs and fish can't live in dirty rivers, seas and lakes.1:23
Some of them even die.1:31
People hunt and kill animals.1:33
They build cities and factories in the places where forests used to grow.1:36
Do you think it's possible for us to live without birds and animals, without trees, other plants and grass?1:41
But it may happen in the near future if we don't protect them.1:50
These days, many scientists say the climate on the Earth is changing, or even has changed.1:55
There are many facts to prove it.2:01
For example, the climate in Moscow has become milder.2:03
Winters are not so cold as they used to be.2:07
But at the same time, it often snows in the south of Europe, in Greece or Italy.2:11
The problem of the Earth ecology is getting more and more serious with every year.2:17
Governments and different ecological organizations begin to understand that people are doing a lot of harm to our planet.2:22
They say we must all protect it.2:31
The world is our home, and we want to see it clean and beautiful.2:33
We know that we take from the Earth as much as we can.2:39
People have to think about ecological problems if they want to continue living on our planet and protect the Earth and all things around us.2:43
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