When was the American journalist who investigated  one of those that investigated the current state of our planet  born? 
June 3, 1967
Title: Planet in Peril
Passage: Planet in Peril is a two-part, four-hour documentary on CNN that premiered on October 23, 2007, broadcast in the CNN Presents format.  It also aired as a special presentation on December 2 and 3, 2007 on Animal Planet & Animal Planet HD.  CNN's Anderson Cooper, Sanjay Gupta and Animal Planet's Jeff Corwin investigate the current state of our planet, focusing on four major areas: global warming, overpopulation, deforestation and species loss.
Title: Closure (atmospheric science)
Passage: A closure experiment in atmospheric science is a combination of different measurement techniques to describe the current state of the investigated system as fully as possible, and to find inaccuracies in one or some of the methods involved.  The comparison of different types of measurement often involves model calculations, which may also be tested in this process.
Title: Anderson Cooper
Passage: Anderson Hays Cooper (born June 3, 1967) is an American journalist, television personality, and author.  He is the primary anchor of the CNN news show "Anderson Cooper 360°".  The program is normally broadcast live from a New York City studio; however, Cooper often broadcasts live from CNN's studios in Washington, D.C., or on location for breaking news stories.  In addition, he is a major correspondent for "60 Minutes".
Anderson Cooper Planet in Peril