Is Carbon Dioxide Endangering the Planet? Craig Idso vs. Jeffrey Bennett. A Debate For the affirmative: Craig Idso is the founder, former president, and currently chairman of the Center for the Study of Carbon Dioxide and Global Change. The Center was founded in 1998 as a non-profit public charity dedicated to discovering and disseminating scientific information pertaining to the effects of atmospheric carbon dioxide enrichment on climate and the biosphere. For the negative: Jeffrey Bennett is an astrophysicist and educator. He has focused his career on math and science literacy. He is the lead author of bestselling college textbooks in astronomy, astrobiology, mathematics, and statistics, and of critically acclaimed books for the general public on topics including Einstein’s theory of relativity, the search for extraterrestrial life, and the importance of math to our everyday lives.