IN THIS ISSUE: The Center for the Environment: Marketing Green Engineering /2 (Practical people seek to fix environmental problems with a mix of teaching, research, and outreach.) ... Training Toxicologists to Be Team Players /4 (To be effective, toxicologists need to know about more than just the effects of poisonous substances.) ... Development and Watershed Protection: Finding the Middle Ground /8 (The rights of watershed residents must be weighted in the balance with New York City's need for water.) ... Mapping Land Use for Local Government /14 (Remote sensing and geographic information systems make it possible to track changing patterns of land use.) ... Recycling Organic Wastes: Research, Engineering, and Outreach /18 (Composting can greatly reduce the volume of municipal solid waste.) ... Reducing Greenhouse Gases: Promoting an International Accord /24 (A program for the voluntary reduction of greenhouse gases can work if it is perceived as flexible and fair.) ... Faculty Publications /30