Greenland's rare earth mining sector keeps running into a stubborn wall: the island's brutal climate combined with severely limited infrastructure makes operations incredibly difficult. The extreme weather conditions—think arctic temperatures and isolation—coupled with minimal existing logistics networks mean even basic mining activities face serious hurdles. You're looking at astronomical costs to establish even foundational systems needed for extraction, not to mention the ongoing maintenance challenges in such an unforgiving environment. Without significant pre-existing infrastructure and the tech to handle such harsh conditions, scaling rare earth operations there remains a distant prospect rather than an immediate reality. It's a classic case where nature and logistics conspire against large-scale resource development.