Environmental pollution predictions give early pollution warnings, and nip the pollution in the bud, so the precaution and governing can get in progress as early as possible.

Traditional Support Vector Machine(SVM), which based on batch training, can\'t satisfy the real-time requirement of environmental pollution prediction with large scale data.

Relationship of pollution prevention, cleanliness production and recycle economy theory, etc.;

The strategies on promoting pollution prevention and sustainable development in the chemical enterprises are analyzed and some specific suggestions on promoting CP in Chinais chemical industry are made.

Feasibility research on the pollution forecast with the grey simulation theory in the Pearl River Estuary;