A melting Arctic turns up the heat on questions about shipping lanes, energy and other issues

  • by: DEB RIECHMANN , Associated Press
  • Updated: January 1, 2014 - 4:01 PM

WASHINGTON — The United States and other nations face many challenges and opportunities in the Arctic, a frozen frontier where melting ice is creating new shipping lanes, opening up access to massive oil, gas and mineral deposits, threatening coastal villages and posing possible future security threats.

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