In a statement, Energy Secretary Earnest Moniz said this is the most ambitious initiative any president in history has taken to reduce heat-trapping emissions.
American President Barack Obama on Tuesday warned the Wall Street against their reckless spending and asked them to act responsibly and be accountable.
US President Barack Obama hosted the MLS Columbus Crew team in the Rose Garden of the White House in Washington on Monday.
'Hi everybody! Back to the original handle. Is this thing still on? Michelle and I are off on a quick vacation, then we'll get back to work,' Obama tweeted.