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The study identifies a significant decrease in wind speed and a reduction in coastal upwelling days at Monte Hermoso between 2008 and 2015, coinciding with the absence of the medusa Olindias sambaquiensis. It also notes a 0.4 °C increasing trend in sea surface temperatures over the eight-year period, suggesting these environmental changes contribute to the lower occurrence of the species.

The research employs a fixed-effects model to analyze how mining royalties (CFEM) correlate with socioeconomic indicators (health, education, employment, and income) and homicide rates in Pará. While simple correlations suggest royalties improve socioeconomic variables and increase violence, the application of municipality and year fixed effects removes the statistical significance of these correlations. However, the study finds a strong positive correlation between increased royalties and municipal spending, particularly in public sector salaries and pensions, and suggests that royalties may reduce municipal efforts to collect urban property tax (IPTU).

The study analyzes the impact of urbanization on natural infrastructure in 10 major Indian cities from 2000 to 2015, finding significant increases in built-up areas and a corresponding loss of surface water and groundwater recharge potential. It advocates for an integrated urban blue-green approach to planning to mitigate risks like urban flooding and water scarcity.