Warmer climate leads to current trends of social unrest and mass migration: study

Mass migrations of people in Guatemala and Honduras – partially driven by political instability, but also driven by drought-related conditions and changes in seasonality are creating enormous problems for agricultural production and feeding a growing population. Credit: Keith Prufer, UNM

Research by an international team of scientists led by University of New Mexico Professor Yemane Asmerom suggests contraction of the Intertropical Convergence Zone (ITCZ) during a warming Earth, leading in turn to drying of the Neotropics, including Central America, and aggravating current trends of social unrest and mass migration.

Positioned near the equator where the trade winds of the northern and southern hemisphere converge, the ITCZ is the world’s most important rainfall belt affecting the livelihood of billions of people around the globe. Globally, seasonal shifts in the location…

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