A 5-day PhD course in Ecotoxicology with focus on Ecotoxicogenomics and Mechanism of Toxicity in aquatic as well as terrestrial ecosystems. The course will be held at the Sven Loven Center for marine research at Kristineberg, Fiskebäckskil located on the Swedish Westcoast. During the course, Dr. McArthur will be providing both lectures and computer labs related to an “Introduction to Microarray Approaches in Ecotoxicogenomics”.