A nation that once turned its back on offshore drilling has quietly reopened that door, driven not by ideology but by arithmetic. New Zealand's natural gas reserves have fallen to their lowest point in a generation, and the coalition government has granted EnZed Energy the country's first offshore petroleum exploration permit since lifting a nearly decade-old ban. The Kaheru basin, long studied but never fully tested, now becomes the site of a careful, staged inquiry into what energy resources may still lie beneath New Zealand's waters — a question the country can no longer afford to leave una