World’s Largest Iceberg Runs Aground

After months of drifting, the world’s largest iceberg has come to a halt near the island of South Georgia in the South Atlantic Ocean.While a “Titanic II” scenario isn’t very likely, and the area’s penguins seem to be mostly safe, the berg may be a symptom of unwelcome change to the Antarctic and the planet.How did we get here?A23a, as the iceberg is officially known, was born in 1986 when it broke off from…