Sea-level rise from climate change could be worse than projected Jeff Berardelli © Getty Images Scientists Study Ice Melt On The Wolverine Glacier In Alaska Of the many threats from climate change, sea-level rise will most certainly be among the most impactful, making hundreds of thousands of square miles of coastline uninhabitable and potentially displacing over 100 million people worldwide by the end of the century. This threat is a top concern for national security experts because forced migration poses significant risks to international security and stability. The mag...