Sverker Molander develops and applies different systems approaches in his research on human induced environmental change and its mitigation. He is particularly involved in studies related to risks from nanoparticles, chemicals and energy systems based on renewable sources. The methods applied are assessments of ecological/environmental risks and substance/material flows often with a product chain/life-cycle perspective and a focus on emissions and exposure models. Current research also include interdisciplinary collaboration with social scientists regarding risk and means of control. The identification and development of indicators and indicator systems to represent the hazards of concern forms a basis for the different methodological approaches. Sverker is also chair of the collegians of Energy and Environment, and member of the United Nations Environmental Program's Scientific Expert Group on Chemicals and the Environment.