This dissertation analyzes different ways in which climate change and climatic phenomena can impact economic outcomes in low and middle income countries. The first chapter studies the migration responses following droughts in Malawi according to gender and stated motive of migration (for marriage and work-related reasons); in particular, how marriage-related institutions affect such migration patterns. The second chapter contributes to the literature on air pollution and health by assessing an additional channel, the effect of El Niño Southern Oscillation (ENSO or El Niño-La Niña events) on health. Unlike previous studies, it jointly investigates the effects of ENSO, air pollution and local weather on health at birth for the case of Bogotá....