Quasi-experimental evidence from Mexico shows that pre-financed, rules-based disaster response can considerably reduce mortality after disasters
Droughts precipitated by climate change force farmers and pastoralists to compete for scant resources, triggering violent clashes
There is a lively debate about the role of inequality as a trigger of ethnic conflicts. This column reports groundbreaking research into the effect of the amount of regional rainfall on crops, which is used to measure inequality between ethnic groups. Inequality caused by the weather's effect on crops has a large and significant impact on the prevalence of ethnic conflict. This effect is strongest when a lack of rainfall penalises ethnic groups with no access to power.