The article is a brief introductory case study of environmental policy in the UK. The authors hold that as far as preservation of nature is concerned the term ‘information’ plays the literally central role, which is hinted at in the title of the article. The notion of ecology opens its meaning to us through various ecological problems of which we are eventually informed or sometimes deliberately misled. Likewise, the term ‘pollution control’ can only acquire its semantic and institutional shape after we have got and grasped the relevant ‘pollution information’. The authors maintain that the environmental legislature in the UK may be regarded as a precautionary and preventing legal information for would-be polluters, both industrial and private