COPENHAGEN—China’s military is increasingly using scientific research in the Arctic as a way into the region, a Danish intelligence service said on Nov. 29, as it warned of intensifying geopolitical rivalry in the Earth’s freezing North.
Disputes in the Arctic over global warming and access to minerals broke into the open in May when U.S. Secretary Mike Pompeo accused Russia of aggressive behavior in the polar region and said China’s actions must be watched closely.





