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This article provides a review of recent anthropological, archeological, geographical, and sociological research on anthropogenic drivers of climate change, with a particular focus on drivers of carbon emissions, mitigation and adaptation. The four disciplines emphasize cultural, economic, geographic, historical, political, and social-structural factors to be important drivers of and responses to climate change. Each of these disciplines has unique perspectives and makes noteworthy contributions to our shared understanding of anthropogenic drivers, but they also complement one another and contribute to integrated, multidisciplinary frameworks. The article begins with discussions of research on temporal dimensions of human drivers of carbon emissions, highlighting interactions between long-term and near-term drivers. Next, descriptions of the disciplines' contributions to the understanding of mitigation and adaptation are provided. It concludes with a summary of key lessons offered by the four disciplines as well as suggestions for future research. This article is categorized under: Climate Economics > Economics and Climate Change.

Although studies have shown that air pollution can be devastating to population health, little is known about the health implications of the intersection of air pollution and income inequality. We investigate if air pollution is especially detrimental to the health of US state populations characterized by more inequitable distributions of income. In other words, are the populations of states with higher levels of income inequality especially vulnerable to similar levels of air pollution? We use two-way fixed-effects panel regression techniques to analyze longitudinal data for 49 US states and the District of Columbia (2000-2010) to model state-level life expectancy as a function of fine particulate matter, income inequality, and other state-level factors. We estimate models with interaction terms to formally assess whether the association between fine particulate matter and life expectancy varies by level of state income inequality. Across multiple life expectancy outcomes and additive models, states with higher PM 2.5 levels tend to exhibit lower average life expectancy. This general pattern is observed with our specifications for raw and weighted PM 2.5 and with adjustments for income share of the top 10%, total population, GDP per capita, median household income, median age, percent college degree or higher, percent black, and percent Hispanic/Latino. We also find that the association between state PM 2.5 levels and average life expectancy intensifies in states with higher levels of income inequality. More specifically, PM 2.5 levels are more detrimental to population life expectancy in states where a higher percentage of income is concentrated in the top 10% of the state income distribution. We discuss the implications of our results for future research in social epidemiology and environmental justice.

The authors assess the extent to which national-level integration in the world polity influences individual-level concern for the environment. While theoretically-derived propositions about such relationships have a deep history in comparative sociology, they-with few exceptions-remain untested. Consistent with past research, employed national-level measures of world polity integration include the relative presence of environmental international nongovernmental organizations (EINGOs) and the existence of environmental ministries. Results of multilevel analyses of individual-level environmental concern in 37 nations indicate that both forms of world polity integration increase the likelihood of individual-level environmental concern, net of other national-level factors and individual-level characteristics; although we find stronger support for the influence of EINGOs as a key variable indicating world polity connection. The findings provide unique support for world polity theory, suggesting that future research should consider how elements of world polity integration influence other forms of individual attitudes and behaviors. The results also highlight the importance in considering global and transnational factors when assessing the determinants of individual attitudes about the environment., (Copyright © 2012 Elsevier Inc. All rights reserved.)

Military expenditures have escalated over the last three decades in both developed and less developed countries, without a corresponding expansion of military personnel. Spending has instead been directed towards hi-tech weaponry, what we refer to as the "new" military. We hypothesize that this new, increasingly capital-intensive military is no longer a pathway of upward mobility or employer of last resort for many uneducated, unskilled, or unemployed people, with significant consequences for those individuals and society as a whole. One such consequence, we argue, is an increase in income inequality. We test this hypothesis with cross-national panel models, estimated for 82 developed and less developed countries from 1970 to 2000. Findings indicate that military capital-intensiveness, as measured by military expenditures per soldier, exacerbates income inequality net of control variables. Neither total military expenditures/GDP nor military participation has a significant effect. It appears from these findings that today's "new" military establishment is abrogating its historical role as an equalizing force in society, with important policy implications., (Copyright © 2011 Elsevier Inc. All rights reserved.)

The author engages the sociological theory of ecologically unequal exchange to assess the extent to which levels of per capita anthropogenic carbon dioxide emissions are a function of the "vertical flow" of exports to high-income nations. Results of cross-national fixed effects panel model estimates indicate that levels of such emissions are positively associated with the vertical flow of exports, and the relationship is much more pronounced for lower-income countries than for high-income countries. Additional findings suggest that the observed relationship for lower-income nations has grown in magnitude through time, indicating that structural associations between high-income and lower-income countries have become increasingly ecologically unequal, at least in the context of greenhouse gas emissions. These results hold, net of various important controls., (Copyright © 2011 Elsevier Inc. All rights reserved.)