http://www.america.gov http://bit.ly/ihZ26t What makes a global city? Five of the world's 10 most global cities are in Asia and the Pacific, according to a survey by Foreign Policy. Three are in North America, and two in Europe. A global city is defined by its influence beyond its borders. (Foreign Policy) Mon, 29 Nov 2010 03:18:18 -0500 http://bit.ly/ihZ26t http://ow.ly/2Xlgr Top of the Class Journalist Amanda Ripley travels the globe to find out what the best classrooms look like and how technology impacts learning. (Slate) Mon, 25 Oct 2010 06:25:12 -0400 http://ow.ly/2Xlgr http://ow.ly/2WMgF Saving Canada’s boreal forest With little fanfare, environmental groups and forest products companies recently signed the landmark Canadian Boreal Forest Agreement, which calls for a logging suspension on 70 million acres and improved logging practices on another 106 million acres. (Yale Environment 360) Wed, 20 Oct 2010 06:07:33 -0400 http://ow.ly/2WMgF http://ow.ly/2QRZp Fertilizers are overloading plant life Fertilizer use worldwide has exploded in the past half century. A new study identifies potentially long-lasting environmental impacts. (USA Today) Fri, 08 Oct 2010 06:26:44 -0400 http://ow.ly/2QRZp