The british bioliogist Sir  Julian Huxly think that people know the

seriousness of pollution. So, he made a group 'WWF' in 1961.

The original meaning was 'World Wild Fund', but the meaning was changed

'World Wide Fund For Nature' in 1986s.

There are WWF's mission .

First, Conservering the world's biologixal diversity.

Second, ensuring that the use of renewable natural resources is sustainable.

Thrid, Promoting the reduction of pollution and wasteful consumption.