Some owners, though warned by the competent authorities that their factory is polluting just pretend that they are taking steps to remedy the situation. By the time new checks are made, the proprietors have already closed the factory and gone abroad. Also though there are legal structures which might force firms to pollute less, the supervisory system seems to be lacking behind. Many of these firms just dump their solid and liquid waste in nearby rivers. One of the main complaints has been the lack of information available to them.
Journalists have to use all types of tricks to pry information from officials.
On the other hand, workers are afraid to talk if there is something going on wrong in their factory, for fear of losing their job or victimised. It may sound funny, but one of the constraints facing journalists is to persuade the editor to publish their article. The reason is obvious. Newspapers depend largely on adverts, and too much criticism may dry out this source of revenue.