The Perils of Climate Change: In Utero Exposure to Temperature Variability and Birth Outcomes in the Andean Region

Produced by: 
Munich Personal RePEc Archive
Available from: 
February 2016
Paper author(s): 
Oswaldo Molina
Victor Saldarriaga
Environmental Economics

The discussion on the effects of climate change on human activity has primarily focused on how increasing temperature levels can impair human health. However, less attention has been paid to the effect of increased climate variability on health. We investigate how in utero exposure to temperature variability, measured as the fluctuations relative to the historical local temperature mean, affects birth outcomes in the Andean region. Our results suggest that exposure to a temperate one standard deviation relative to the municipality’s long-term temperature mean during pregnancy reduces birth weight by 20 grams and increases the probability a child is born with low birth weight by 10 percent. We also explore potential channels driving our results and find some evidence that increased temperature variability can lead to a decrease in health care and increased food insecurity during pregnancy.


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