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Climate Change Skepticism Last Updated on 2010-12-08 00:00:00 This article, written by Charles W. Schmidt*, appeared first in Environmental Health Perspectives—the peer-reviewed, open access journal of the National Institute of Environmental Health Sciences. The article is a verbatim version of the original and is not available for edits or additions by Encyclopedia of Earth editors or authors. Companion articles on the same topic that are editable may exist within the Encyclopedia of Earth.   A Closer Look at Climate Change Skepticism Debate over climate change is nothing new. Scientists have been arguing about whether greenhouse gases released by human activity might change the climate since the late nineteenth century, when Swedish chemist Svante Arrhenius first proposed that industrial emissions might cause global warming.1 Fueled by partisan bickering, this dispute now is more bellicose than ever. Skeptics... More »