The polluter should... pay?

The Polluter Pays Principle (PPP) is among the core international instruments for environmental protection. It appears to be excessively economy-focused at initial sight. To evaluate the moral validity of this, I visited four different justification possibilities: 1. Economically preferable equals environmentally preferable; 2. Economic development is a satisfactory aim; 3. Environmental problems arise from economic goals; 4. The economy represents the power needed for solutions. After evaluating each of these, I confirmed that the focus of the PPP on the economy does not allow for sufficient protection of Nature, as also expressed in the literature