Europe’s clean-energy crusade has hit a wall of its own making. The EU’s leaders vowed to slash emissions by 90% by 2040, but as electricity bills climb and factories falter, the political consensus that once seemed unshakable is beginning to crack. What began as a climate ambition is turning into an economic rebellion. Next month will see world leaders gather for COP30—the climate conference that sees countries make political and financial pledges in a bid to arrest what many argue is irreversible planetary destruction.…