Combining network structures and meanings:

Tweeting over the IPCC report
Iina Hellsten

Kim Holmberg

VU University Amste...
Background
In September 2013 the Intergovernmental
Panel on Climate Change (IPCC) published
its 5th Assessment report, the...
Research Questions:
1) What kind of topics and meanings integrate
the (structural) communities?
2) What kind of topics and...
Data
Tweets containing the acronym “IPCC” were
collected between September 17 and October
8, 2013 (with http://lexiurl.wlv...
Climate change on Twitter: topics, communities
and conversations about the IPCC
Pearce, Holmberg, Hellsten & Nerlich (unde...
Methods
Semantic networks of each group: 110 most
frequently used noun phrases in the tweets
(extracted with VOSviewer)
Pr...
Example tweets
This is fraud. This is IPCC fraud. Why
have the AR4 projections mysteriously
disappeared or been changed?
h...
Analyzing content of the IPCC tweets by tweeter groups

Base map: All
Analyzing content of the IPCC tweets by tweeter groups

Skeptics
Analyzing content of the IPCC tweets by tweeter groups

Convinced
Analyzing content of the IPCC tweets by tweeter groups

Neutrals
Results
Significant overlap
between the noun
phrases used by
each group

sceptic convinced neutral
sceptic

1.000

convinc...
Table 2. Top 20 noun phrases (shared highlighted)
Sceptic
ipcc report
science
scientist
report
global warming
year
model
w...
Discussion 1(2)
Shared set of words and phrases:
1) general words related to the event (IPCC report,
climate change, globa...
Discussion 2(2)
Unique set of words and phrases:
1) opposing views on anthropogenic climate change
Sceptics: shame and cri...
Conclusions
Opposing positions in the debate on anthropogenic
impact on climate change (different words/phrases
used to re...
Thank you for your attention

Kim Holmberg
VU University Amsterdam
Dept. Organization Sciences
(e) kim.holmberg@abo.fi

Ac...
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Combining network structures and meanings: Tweeting over the IPCC report

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Content analysis of tweets sent by tweeters coded as sceptics, convinced, and neutrals, and that mention 'IPCC'. Presentation given at Sunbelt2014 in St Pete, Fl.

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Combining network structures and meanings: Tweeting over the IPCC report

  1. 1. Combining network structures and meanings: Tweeting over the IPCC report Iina Hellsten Kim Holmberg VU University Amsterdam Dept. Organization Sciences Affiliated The Network Institute (e) i.r.hellsten@vu.nl VU University Amsterdam Dept. Organization Sciences (e) kim.holmberg@abo.fi Sunbelt, St Pete Beach, Florida, February 2014
  2. 2. Background In September 2013 the Intergovernmental Panel on Climate Change (IPCC) published its 5th Assessment report, the first comprehensive assessment of physical climate science in six years, constituting a critical event in the societal debate about climate change. This research investigates the content of that debate on Twitter.
  3. 3. Research Questions: 1) What kind of topics and meanings integrate the (structural) communities? 2) What kind of topics and meanings differentiate the (structural) communities?
  4. 4. Data Tweets containing the acronym “IPCC” were collected between September 17 and October 8, 2013 (with http://lexiurl.wlv.ac.uk/) Users stance (convinced, neutral, sceptic) in climate change debate coded by Pearce et al. (under review) The content of these users’ tweets as data
  5. 5. Climate change on Twitter: topics, communities and conversations about the IPCC Pearce, Holmberg, Hellsten & Nerlich (under review). 239 usernames coded according to their stance in the climate change debate as convinced, neutral, sceptics
  6. 6. Methods Semantic networks of each group: 110 most frequently used noun phrases in the tweets (extracted with VOSviewer) Projected the maps for each group on to a base map, which showed the comprehensive situation (visualization with Gephi)
  7. 7. Example tweets This is fraud. This is IPCC fraud. Why have the AR4 projections mysteriously disappeared or been changed? http://t.co/5liqycDmt7 #IPCC in #AR5: "Most aspects of #climate change will persist for many centuries even if emissions of #CO2 stopped" Climate Models Used By IPCC Fail To Reproduce Decadal & Multidecadal Patterns Since 1850 @*…+ http://t.co/n4drUNCF1d @IPCC_CH: Information about the #IPCC and how it produces reports http://t.co/pT6N5t4xQ1 #AR5 #climatechange #Globalwarming is real and human beings are responsible: #IPCC http://t.co/lhnsXZBtXg #nature #world #environment #mot…
  8. 8. Analyzing content of the IPCC tweets by tweeter groups Base map: All
  9. 9. Analyzing content of the IPCC tweets by tweeter groups Skeptics
  10. 10. Analyzing content of the IPCC tweets by tweeter groups Convinced
  11. 11. Analyzing content of the IPCC tweets by tweeter groups Neutrals
  12. 12. Results Significant overlap between the noun phrases used by each group sceptic convinced neutral sceptic 1.000 convinced 0.686 1.000 neutral 0.703 0.918 1.000 Table 1. Pearson r for the similarities between the noun phrases used in each group
  13. 13. Table 2. Top 20 noun phrases (shared highlighted) Sceptic ipcc report science scientist report global warming year model warming models wrong co2 progress climate change earth fact poverty servitude ipcc ar5 report time climate data humanity n 103 86 68 66 60 55 43 41 40 39 38 35 35 35 35 33 31 30 30 30 Convinced report ipcc report climate change scientist science world climate change global warming new ipcc report action twitter chat today government time stockholm year summary ipcc climate report risk n 299 286 219 132 91 85 84 80 79 77 65 63 62 61 58 54 53 53 49 43 Neutral ipcc report report climate change summary scientist new ipcc report science year blog tweet stockholm climate today policymaker friday global warming comment question week reaction n 91 81 46 33 32 25 20 20 19 19 17 16 16 16 15 13 13 13 12 12
  14. 14. Discussion 1(2) Shared set of words and phrases: 1) general words related to the event (IPCC report, climate change, global warming, science, scientists) 2) general targeted audiences (policy making)
  15. 15. Discussion 2(2) Unique set of words and phrases: 1) opposing views on anthropogenic climate change Sceptics: shame and crime Convinced: emission, fossil fuels and scenarios 2) different sub-topics Sceptics: poverty, humanity, model Convinced: government, public opinion, news, climate system 3) naming each other Sceptics: alarmists Convinced: denier
  16. 16. Conclusions Opposing positions in the debate on anthropogenic impact on climate change (different words/phrases used to refer to same event) Shared words: Between communities: General focus, integration Within communities: Different interpretations, meanings, focus Unique words: Between communities: Differentiation Within communities: Integration
  17. 17. Thank you for your attention Kim Holmberg VU University Amsterdam Dept. Organization Sciences (e) kim.holmberg@abo.fi Acknowledgements Funding: NWO Open Research Area (ORA) project ”Climate Change as a complex social issue”, grant number 464-10-077

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