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Climate change could have more effects on the planet than just rising sea levels and higher temperatures—it could be promoting civil strife and wars in areas around the tropics.
A new study in the journal Nature found that the percentage of civil conflicts doubles during El Niño, a regular climate event that warms up the Pacific Ocean and surrounding tropics about every five years. The connection between El Niño and civil wars, as well as a link between the cooling period of La Niña and times of relative peace, is so strong that researchers believe it can be considered partly a cause of civil strife.
Another major factor? Poverty.
Many nations impacted by El Niño—such as Australia—don’t see the same rise in conflicts. It’s an issue researchers suspect might only worsen with time.
As food scarcity continues to be impacted by the drying out of arable farm land and the effects of globalization in an age of austerity, the poorest countries in the tropics will continue to feel the hunger and the heat.
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