The textbook used for this class is Understanding Environmental Health: How We Live in the World, By Nancy Irwin Maxwell, the second edition. Read Chapter 1 and 2.Discuss the interrelationship between human health and the natural environment. Describe the effects on human health, animal health, and ecosystem health when changes are made to the natural environment by human activities, such as construction, production of goods, use of resources, or increased population. Highlight one current example and its effects.