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Ecotoxicology and sustainable use of the planet

Department of Biology and University Center for Environmental and Hazardous Materials Studies, Virginia Polytechnic Institute and State University, Blacksburg, VA, USA, jcairns{at}vt.edu

The goal of sustainable use is indefinite use of the planet by humankind. This objective, in turn, requires that the planet’s ecological life support system, consisting of natural capital and ecosystem services, remains healthy for an indefinite period. Achieving sustainability will require a new view of the responsibilities of professionals, such as ecotoxicologists, to ensure a healthy ecological life support system. Because both human society and natural systems are complex and multivariate, a high degree of uncertainty will remain. Therefore, sound judgment will be needed in determining what, if any, precautionary measures should be taken until more robust information has been gathered.

The role of ecotoxicologists in the quest for sustainable use of the planet is quite varied: 1) shifting goals and endpoints from an absence of harm to persuasive evidence of health; 2) increasing both temporal and spatial scales of ecotoxicological studies; 3) achieving a critical mass of qualified personnel; 4) including demographic change in ecotoxicological analysis and judgment; 5) developing new ecological thresholds; 6) being prepared for environmental surprises; 7) focusing on design for a quality environment; 8) developing ecosystem services as endpoints in ecotoxicological studies, and 9) being prepared for climate change and other events that might destabilize the biosphere and require major adjustments in the process of ecotoxicological testing. Both sustainable use of the planet and the field of ecotoxicology are rapidly developing fields that are mostly evolving in isolation from each other. To be successful, they must co-evolve.

Key Words: ecological thresholds • ecosystem services • ecotoxicology • industrial ecology • natural capital • role of ecotoxicologists • sustainability

Toxicology and Industrial Health, Vol. 18, No. 4, 162-170 (2002)
DOI: 10.1191/0748233702th143rr


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