How Global Warming Works

How Global Warming Works is a website developed by Michael Ranney, a professor of cognitive psychology at the University of California, Berkeley in Berkeley, California, United States. The stated goal of the website is to educate the public on the mechanisms of global warming, which was motivated by research Ranney and colleagues conducted on attitudes towards and understanding of global warming.[2][3]

How Global Warming Works
Type of site
Educational
OwnerMichael Andrew Ranney[1] (University of California, Berkeley) and The Regents of the University of California
URLhttp://www.howglobalwarmingworks.org
CommercialNo
RegistrationNot required
Launched2013

Background

The motivation for the website came from two studies conducted by Ranney and colleagues.[2][4][5][6] In the first study, they hypothesized that one of the factors explaining why fewer Americans believe in global warming than do people in other industrialized nations is that they do not understand the mechanism of global warming.[7]:2230 To test this hypothesis, they anonymously surveyed 270 park visitors and community college students in San Diego.[2][4] They reported that none of the 270 participants could explain the basic mechanism of global warming even though 80% thought that global warming was real and that 77% thought that humans contributed to it.[2][3][7]:2230[8]

In the second study, they hypothesized that if people understood the mechanism of global warming, their understanding and acceptance of it would increase. Using a 400-word explanation of global warming[9] they tested their hypothesis on students from the University of California, Berkeley and from the University of Texas at Brownsville.[10]

The following summary of the explanation given to the students to read was provided in Scientific American:

Summary: (a) Earth absorbs most of the sunlight it receives; (b) Earth then emits the absorbed light's energy as infrared light; (c) greenhouse gases absorb a lot of the infrared light before it can leave our atmosphere; (d) being absorbed slows the rate at which energy escapes to space; and (e) the slower passage of energy heats up the atmosphere, water, and ground. By increasing the amount of greenhouse gases in the atmosphere, humans are increasing the atmosphere’s absorption of infrared light, thereby warming Earth and disrupting global climate patterns.[5]

They reported that by reading a brief description of the mechanism of global warming, participants in the study increased both their understanding and acceptance of global warming.[2] These results, which have been repeatedly replicated, motivated them to launch a new website with the aim of providing website visitors with videos of the mechanisms of global warming so that they could educate themselves on how global warming works.[2][3][4]

Website

The website provides videos ranging from 52 seconds to under 5 minutes that describe and illustrate the mechanisms of global warming.[2][3] It also provides seven statistics that have been shown by Ranney and Clark to increase global warming acceptance.[11] Further, the website's videos have been translated into Mandarin and German , and transcripts of the videos in several other languages are available. Texts explaining global warming's mechanism are also available. Some of the site's information has been translated into Mandarin, and the Mandarin videos are available on Youku.[12]

Analysis

In 2014 Dan Kahan was skeptical about Ranney's approach and this website's large-scale effectiveness in educating people about global warming, telling Nova Next, "I don’t think it makes sense to believe that if you tell people in five-minute lectures about climate science, that it’s going to solve the problem".[13] However, Ranney and his colleagues have been assessing the videos in randomized controlled experiments and indicate that the videos (including a 4-minute German video), like the 400-word mechanistic text, increase viewers' global warming acceptance—as do the aforementioned representative statistics. In addition, the website contrasts the change in earth's temperature since 1880 with the change in the value of the Dow Jones Industrial Average (adjusted for inflation); this contrast also increases readers' global warming acceptance.[14]

gollark: I have been known to ramble incoherently to people about Rust and stuff for up to 8 minutes.
gollark: Okay, this is unhelpful.
gollark: However, since there is no longer to be a dedicated "editor" mode, I have no idea where to put the controls.
gollark: Not in a tree structure.
gollark: In "Minoteaur", you will be able to add "files" to a page to stick in as images and whatever.

See also

References
  1. "Michael Ranney". University of California. Retrieved 18 December 2013.
  2. Tania, Lombrozo (16 December 2014). "Global Warming Explained, In About A Minute". NPR. Retrieved 18 December 2013.
  3. Hall, Shannon (6 January 2014). "Global Warming Explained in 52 Seconds". Universe Today. Retrieved 23 November 2014.
  4. Lindsay, Abrams (16 December 2013). "How to understand global warming better than most people, in less than a minute". Salon. Retrieved 18 December 2013.
  5. David, Wogan (17 December 2013). "Global warming explained in under a minute". Scientific American. Retrieved 23 December 2013.
  6. Dylan, Matthews (18 December 2013). "Global warming explained in just 21 seconds". The Washington Post. Retrieved 23 December 2013.
  7. Ranney, M., A.; Clark, D.; Reinholz, D. L.; Cohen, S. (2012). "Changing Global Warming Beliefs with Scientific Information: Knowledge, Attitudes, and RTMD (Reinforced Theistic Manifest Destiny Theory)" (PDF). N. Miyake, D. Peebles, & R.P. Cooper (Eds.), Proceedings of 34th Annual Meeting of the Cognitive Science Society. Retrieved 23 December 2013. External link in |journal= (help)
  8. Andri, Antoniades (19 December 2013). "Keeping It Simple: Scientist Uses Haiku to Explain Climate Change". Yahoo! News. Retrieved 23 December 2013.
  9. "In Less Than a Minute". University of California. Retrieved 23 December 2013.
  10. Jaret, Peter (2013). "Global Warming 101: Changing hearts & minds" (PDF). Bioenergy Connection. 2.3: 42. Archived from the original (PDF) on 2 February 2014. Retrieved 1 February 2014.
  11. Ranney, Michael Andrew; Clark, Dav (2016). "Climate Change Conceptual Change: Scientific Information Can Transform Attitudes". Topics in Cognitive Science. 8: 49–75. doi:10.1111/tops.12187. PMID 26804198.
  12. Ranney, M., A., & Lamprey, L. N. (Eds.) (2013). How Global Warming Works [Main Mandarin Page]. Available at http://www.howglobalwarmingworks.org/chinese.html
  13. Balukjian, Brad (19 November 2014). "Why Doesn't Everyone Believe Humans Are Causing Climate Change?". PBS. Retrieved 23 November 2014.
  14. Ranney, M. A., Munnich, E., L., & Lamprey, L., N., (in press). Increased wisdom from the ashes of ignorance and surprise: Numerically-driven inferencing, global warming, and other exemplar realms. In B. Ross (Ed.), Psychology of Learning and Motivation.
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