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The report segments the Irish adult population into four groups: the Alarmed (36%), Concerned (48%), Cautious (12%), and Doubtful (3%). These groups differ significantly in their level of worry, perceived risk, and willingness to take personal action, though a broad majority of the population supports government climate policies, particularly those framed as redistributive and fair.

The report analyzes 'Global Warming's Six Americas'—segments ranging from the Alarmed to the Dismissive—to determine if moral framing by religious leaders can engage those currently unconcerned about climate change. It finds that while most Americans value caring for the poor and the environment, few outside the Alarmed and Concerned segments view global warming as a moral issue or understand its link to poverty. However, a widespread preference for religious over scientific explanations suggests that moral authority could reach skeptical audiences.

The report finds that most Americans, including those most concerned about global warming, have a shallow understanding of its specific health impacts. While the 'Alarmed' and 'Concerned' segments generally believe global warming is harmful to health and support government action and funding, they struggle to name specific health threats unprompted. Trust in information sources varies by segment, with primary care physicians and family and friends holding the highest overall credibility across the population.

The report identifies six distinct audience segments within the U.S. adult population—the Alarmed, Concerned, Cautious, Disengaged, Doubtful, and Dismissive—that vary significantly in their level of concern, belief in the reality of climate change, and willingness to take action. While the Alarmed and Concerned are convinced of the threat and support aggressive national policies, the Doubtful and Dismissive either deny the phenomenon or believe it is caused by natural changes. The analysis highlights that communication strategies must be tailored to these specific psychological and political profiles to effectively motivate climate action.

The report identifies six distinct audience segments within the U.S. adult population—the Alarmed, Concerned, Cautious, Disengaged, Doubtful, and Dismissive—that vary significantly in their level of concern and engagement with climate change. These groups are distinguished by their certainty that global warming is occurring, their perceived risk to themselves and future generations, and their support for specific national policies. While the Alarmed and Concerned are most likely to support aggressive carbon reduction and engage in consumer activism, the Doubtful and Dismissive are more likely to attribute warming to natural causes and oppose government regulation. The analysis highlights that effective climate communication requires tailored messaging based on these psychological, cultural, and political differences.