Eve Troeh
Senior Editor, Sustainability
A young student looks closely at a math exam during a summer school in Chicago. Mayor Rahm Emanuel has plans to lengthen the school day in city schools to catch up to the schedule of other cities.
Tim Boyle/Getty Images
In this photo illustration, an Instagram photo of the Facebook website app is seen on an Apple iPhone on April 9, 2012 in New York City. Facebook Inc. is acquiring photo-sharing app Instagram for approx. $1 billion.
Justin Sullivan/Getty Images