On June 2, 2013 Catherine Brahic wrote an article to Slate newspaper about the climate changes the world is now facing. Brahic interviewed scientist Ralph Keeling and he explains why it is important to measure CO2. Scientist Keeling said that every year the concentration goes up by 2 ppm per year. With the rise of this, he believes that the sea levels have dropped significantly, forests have become smaller, and now more sea ice. He also believes that we are in a climate danger zone because the concentration is now 400 ppm when it was first 280 ppm. When Brahic asked Keeling if these levels can drop again, he said that their is a possibility, however the possibility of the concentration staying the same or rising is much greater.
This article has a few rhetorical devices that you are able to catch right away. The first one is the fact that this article is based on an interview gathered directly from the scientist, Ralph Keeling himself, which makes the importance of the information much greater. With that said, the author uses the interview to his advantage and is able to ask personal questions about his father's invention and what he is doing to make sure it keeps on working. Also, the author is able to get straight to the point. Instead of developing 30 questions to ask, she figures out a way to get everything answered in 10 which does not bore the reader.
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