BORNHOLM, Denmark—On many maps of Denmark, the island of Bornholm appears as an inset box because it’s so far away from the rest of the country. To get there from Copenhagen, travelers take a train to Malmö, Sweden, change to a smaller train, and then take a ferry. The island, known for granite cliffs and … Continue reading Denmark, a Global Climate Policy Leader, Strains to Live Up to High Ambitions