<正>The Obama administration has adopted a more moderate and pragmatic environmental foreign policy away from George W. Bush’s hard-line unilateralism, and put
<正>The British government initiated the concept of low-carbon economy in its 2003 White Paper on energy,which constituted an economic model for higher economic
<正>Since the end of the Cold War,the multipolarization of international politics and globalization of world economy have been developing robustly in an unprece