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In page Richard Alley:

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In addition to his research, Alley has made several appearances on television. On Sunday, April 10, 2011, PBS debuted a special program on climate change, entitled EARTH: The Operators’ Manual,[1] hosted by Alley.[2] The program's aim was to present an objective, accessible assessment of the Earth's problems and possible solutions, with the stated intention of leaving viewers informed, energized and optimistic. The series continued through 2012 on PBS and affiliates. The series is accompanied by a book of the same name, also by Richard Alley.[3] It was published on April 18, 2011. He has also appeared in episodes of the History Channel series Mega Disasters.[citation needed]