Yemen risks a return to civil war as Iran-backed rebels target a crucial shipping route

# Why This Matters The Houthi escalation in Yemen's Red Sea corridor threatens to destabilize not just a fragile regional ceasefire, but global commerce and energy supplies. Roughly 12 percent of world trade flows through these waters, meaning attacks on commercial vessels directly raise shipping costs and insurance premiums that ripple across consumer prices worldwide—from groceries to electronics. A return to active civil war in Yemen would also reverse hard-won humanitarian gains, potentially displacing millions and creating a power vacuum that allows terrorist groups to operate freely. For the U.S. and European powers, the situation demands choosing between military intervention to protect shipping lanes and the risk of deeper entanglement in a proxy conflict with Iran, with no clear off-ramp once committed.