"Moreover, the practical recommendations deduced from ecological principles threaten the vested interests of commerce; it is hardly surprising that the financial and political power created by these investments should be used sometimes to suppress environmental impact studies"

This quote by Garrett Hardin speaks with the tension in between environmental management and financial interests. Hardin recommends that the practical suggestions originated from environmental principles often challenge the vested interests of commerce, which have actually been built up through financial investments of financial and political power. As an outcome, these effective interests might attempt to reduce environmental impact research studies in order to protect their own interests. This quote highlights the need for a balance between economic interests and environmental protection, and the value of ensuring that environmental effect research studies are not reduced.