Cairns, John Jr.2014-01-232014-01-232010http://hdl.handle.net/10919/25056Ecotoxicology involves testing that uses attributes at higher levels of biological organization as endpoints. Ecotoxicologists have been accustomed to a relatively modest rate of environmental and ecosystem change. However, as of late, the global climate has changed rapidly due to anthropogenic greenhouse gas emissions. This rapid change has had a major impact on all ecotoxicity testing from community level to microcosms and mesocosms. Throughout this rapid change, single species toxicity methods have remained useful.en-USIn Copyrightecotoxicologyecotoxicology testngclimate changeglobal warmingArticlehttp://www.johncairns.net/Commentaries/Ecotox.pdf