El Nino reaches century-high intensity, threatens more extreme weather in 2027

# Why This Matters The intensification of El Niño to its strongest levels in a century creates immediate economic and humanitarian consequences that extend far beyond Central America. The disruption to the Panama Canal—a chokepoint through which roughly 5 percent of global maritime trade flows—directly threatens supply chains and shipping costs worldwide, with manufacturers and consumers in North America and Asia likely facing higher prices and delays through 2027. Beyond trade, the extreme weather pattern will exacerbate regional instability by triggering crop failures, water scarcity, and displacement that historically drive migration pressures northward and create conditions for social unrest. For policymakers, this underscores how climate volatility is no longer a distant environmental concern but an immediate driver of geopolitical friction and economic disruption that demands coordinated international response.