Climate change will shape every aspect of human life – often in complex ways. Take the question of deciding how many children to have, for example. A new analysis suggests that climate change could increase fertility rates in tropical countries, in turn magnifying the impacts of climate change on those countries and widening the gap between wealthy and poorer nations. In the study, researchers built a model that combined standard economic theory with data on how climate change is likely to affect different sectors of the economy. Climate change is widely held to affect agriculture more than other sectors of…

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