Influential individuals Independent pressure groups Participants Corporation business Integovernmental bodies Silent Spring Definition and indicator Mercury pollution Natural capital and income Bhopal Diaster Important environmental events Sustainability Key tasks Chernobyl Environmental impact assessments Influencing factors An Inconvenient Truth Environmental valuation system Ecological footprint Fukushima Daiichi Culture contexts Origin Pollution and pollutants Influencing factors Point/non-point source Socio-political contexts Persistent organic pollutants Acute and chronic pollution Cornucopian Technocentric Human and pollution Direct and indirect measurements Environmental managers Foundation of ESS Categories Human activity Release Religious contexts Anthropocentric Biocentric Pollution management strategies Ecocentric Deep ecologist Impact Elements of a system Laws of thermodynamics Transfer and transformation Energy loss during trophic transfer Stable equilibrium Equilibrium Static equilbrium Open systems Systems and models Types of systems Energy and equilibria Isolated systems Positive feedback loops Feedback loops Negative feedback loops Resilience Tipping point Closed systems Models for systems