Kevin Trenberth of NCAR's Climate Analysis Section edited a new book, "Climate Systems Modeling" that can aid climate modelers and policymakers in understanding how much the Earth's climate may be affected by human activities that increase carbon dioxide and other greenhouse gas concentrations in... Show moreKevin Trenberth of NCAR's Climate Analysis Section edited a new book, "Climate Systems Modeling" that can aid climate modelers and policymakers in understanding how much the Earth's climate may be affected by human activities that increase carbon dioxide and other greenhouse gas concentrations in the atmosphere. Show less