See what's new in the Second Case studies - most chapters include case studies that present real-life situations in which the problem is presented along with possible causes and solutionsProblem sets - each chapter contains problem sets that help students learn how to apply concepts and improve problem solving skillsDiscussion of hydrologic cycle - additional definitions and example calculations, and a more detailed description of precipitationDiscussion of the atmosphere - information on characterizing parameters such as wind direction and velocity, temperature, and relative humidityReorganization - soil and atmosphere addresses in separate chapter, a new chapter devoted to remediation of contaminated soils and groundwater