The pending G20 summit will focus on issues including climate change, steel and migration.

Climate change, steel and migration have emerged as sticking points in the upcoming G20 summit scheduled to be held in Buenos Aires, Argentina, late this week.

In 2011, a magnitude 9.0 earthquake shook northeastern Japan and unleashed a savage tsunami, causing deaths and the disappearances of more than 22,000 people and a direct financial loss of $200 billion.