President Barack Obama lacks the political and legal backing to commit the United States to an international agreement , Republican lawmakers say . Obama committed the U.S. to cutting greenhouse gas emissions by close to 28 percent from 2005 levels within a decade . 'Our international partners should proceed with caution before entering into a binding , unattainable deal , ' Senate GOP Leader Roy Blunt said . 'We will not stand by and allow the president to unilaterally enact bad energy policies , ' Senator Mitch McConnell said . White House says it can achieve its goal 'using laws that are already on the books , and it will be in place by the time the president leaves office '
President Barack Obama lacks the political and legal backing to commit the United States to an international agreement , Republican lawmakers say . Obama committed the U.S. to cutting greenhouse gas emissions by close to 28 percent from 2005 levels within a decade . 'Our international partners should proceed with caution before entering into a binding , unattainable deal , ' Senate GOP Leader Mitch McConnell said . 'We will not stand by and allow the president to unilaterally enact bad energy policies , ' Senator Roy Blunt said . White House says it can achieve its goal 'using laws that are already on the books , and it will be in place by the time the president leaves office '