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Research being carried out at Carlos III University of Madrid analyzes the key factors in climate change and the risks to public policies that it implies. This study approaches the issue from the perspective of Sociology, Economics and Law.

"Dendrochronologists have shown that tree-ring data produce a remarkably accurate history of droughts and other climate changes. Combined with reliable drought indices and historical descriptions of climate conditions, dendrochronology - the technique of dating events and environmental change by relying on characteristic patterns of tree-ring growth - can provide a climate perspective on important events such as large-scale human migration and even the rise and fall of entire civilizations."

The authors of a recent Perspectives piece in the journal Nature Climate Science say it is not enough to intuit the success of climate communications. They contend the evaluation of climate communication should be met with the same rigor as climate science itself. Here, someone uses the 220 megapixel HiPerWall display at the University of California, San Diego to discuss 10 time varying Intergovernmental Panel on Climate Change simulation runs.

Janet K. Swim, professor of psychology, Penn State, and her colleagues report that growing consumption and growing population are two significant contributors to human impact on the environment. Both substantially increase carbon dioxide levels in the atmosphere, the researchers report in a special issue of American Psychologist that focuses on how psychology contributes to understanding and addressing global climate change. "Engaging in one type of environmentally friendly behavior can predispose one to engage in similar behaviors, inhibit other behaviors, or even increase environmentally harmful behaviors," said Swim.