In 2008, I will be 9 years old. Many people might say: You are too young to do anything for the Games, but I don’t think so. I am sure I can do a lot for the event. First, I have the duty to kee

Four hundred parts per million: that's the approximate concentration of CO2 in the air today. What does this even mean? 百万分之四百：这就是现在空气里二氧化碳大概的浓度。这意味着什么呢？ For every 400 molecules of carbon dioxide, we

Prepared Remarks of President Barack ObamaWeekly AddressSaturday, May 23, 2009 This Memorial Day weekend, Americans will gather on lawns and porches, fire up the grill, and enjoy the company of family

PRESIDENT BUSH: It's my honor to welcome back to the Oval Office President Kabila. Thanks for coming, sir. The President of the Democratic Republic of the Congo. The last time the President was here w

The White House Office of the Press Secretary For Immediate Release April 23, 2010 Remarks by the President at Naturalization Ceremony for Active-Duty Service Members Rose Garden 10:15 A.M. EDT THE PR