Endangered Species

By the year 2030, 25% of all animals, birds, fish and insects may be extinct.

This is happening for three main reasons.

The first is pollution. 

There is a serious habitat problem because of pollution, which destroys some habitats. They take many years, sometimes hundreds or even thousands of years, to grow again. Millions of animals die every year because man has polluted their natural home or habitat. Pollution and habitat destruction change the balance of nature. Each species needs and helps the rest. If one animal, bird or insect disappears, all the others suffer, too.

The second is hunting.

Man has always been a hunter. He still is. But many modern hunters don't just kill for food - they kill for profit. That's why so many rare and protected animals are sill dying. Hunters like these are called poachers. 

And there is also the fur trade... In the 1940s, 90% of skins and furs came from wild animals. Fortunately, today that number decreased to 15%.

The third reason is environment itself.

It's becoming smaller... Every year, man cuts down more trees, builds more roads and uses more land for farming. This leaves fewer jungles, fields and forests for wildlife.

This is what's happening in the rainforests of South America, Africa and Asia where man is destroying an area of rainforest as big as Switzerland every year. These are some of the world's oldest habitats. 0r they were...

(Source: The Green World - Macmillan Dossier)

A documentary 

An Inconvenient Truth also refers to endangered species... 

Animals in danger of extinction

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