U.S. President Barack Obama : Leaders will work together on climate change . The White House said the two leaders would discuss ways to reduce greenhouse gas emissions and "promote a global agreement that is fair, sustainable and verifiable." Leaders pledge aim to achieve a 50 percent reduction in global emissions by 2050 . The vast majority of climate change scientists warn that warming above the 2 degree Celsius threshold would mean potentially catastrophic impacts on Earth . Meeting takes place in heart of quake zone where about 300 people died .
U.S. President Barack Obama : Leaders will work together on climate change . The White House said the two leaders would discuss ways to reduce greenhouse gas emissions and "promote a global agreement that is fair, sustainable and verifiable." Leaders pledge aim to achieve a 50 percent reduction in global emissions by 2050 . Meeting takes place in heart of quake zone where about 300 people died .