Global Warming Rhetorical Analysis

For my call to action speech in 11th grade using Monroe's motivated sequence, I decided to draft an essay concerning the proof of global warming, its impacts, and what needs to be done in response. "A Treatise on Global Warming and It's Impacts" was perfect for capturing the audience's attention, and the scope of the situation the essay addressed allowed for a powerful motivational paper. The problem was the research. Either the sources were outdated and came from skeptical websites, or the evidence proving global cooling was disproved by the same source in a later paragraph. For example, the website SkepticalScience quotes scientist Matt Vooro and others for predicting imminent cooling due to data that suggests the leveling off of warmer temperatures yet dismisses their claims after evaluating that their field was not climate science and that an overwhelming amount of data contradicted the trend Vooro predicted in support of global warming.
Why challenge an observation that is backed up by heaps of quantitative observations since the mid 1900s and has imminent impact on our world today? Today, people in support of global cooling are either making a fool of themselves in order to garner attention or have been living under a rock for most of the 21st century. However, people concerned about global warming dismiss the claims concerning a present global cooling phenomenon too readily, almost like Broca's claim of the inferiority of women following his meticulous collection of data comparing the size of women's brains to men's brains. Stephen Gould's essay "Women's Brains" deconstructs the prevailing belief of women inferiority that was backed up by Broca's research in the 19th century in order to make the argument that nothing should be taken for granted during his time when evolutionary scientists were being challenged by dominant religious