Dear EarthTalk: Overall, how does the U.S. measure up to other developed nations in terms of environmental responsibility?<bR><bR>Dear EarthTalk: Are the materials used in athletic shoes environmentally harmful?
Dear EarthTalk: What are the health effects of cat litter on people and pets?<bR><bR>Dear EarthTalk: I’ve heard that cotton is more environmentally friendly than synthetic fabrics. But what is the ecological impact of cotton?
Dear EarthTalk: Do cell phones cause cancer?<bR><bR>Dear EarthTalk: Some art supplies, like glues and markers, can be quite toxic, especially to children. Are there eco- and health-friendly alternatives out there?