Talk:Special Report on Global Warming of 1.5 °C

Potential sources for references
''If you are not a Wikipedia editor, you can add reliable sources (RS) below and an editor can contribute to the article. (You can become an Wikipedia editor!) If you personally disagree with the concept of climate change in general, this talk page is not the place for that, even if your own personal reasons are really good. However, if you have a specific RS that mentions the Special Report on Global Warming of 1.5ºC, please add it below, even if it is critical of their findings. The reliable sources we use can express criticism. They can be biased or against the topic of the article. However, every editor that contributes must ensure that their contribution to this article and others, is neutral, and does not reveal the editor's personal bias.'' Oceanflynn (talk) 16:00, 8 October 2018 (UTC)

Ex From Twitter
 * "The 1.5°C IPCC report is an ear-splitting wake-up call to the world. The coming period is critical."UNFCC “The 1.5°C @IPCC_ch report is an ear-splitting wake-up call to the world. The coming period is critical. The #UN Climate Conference in Katowice #COP24 in December is a can’t-fail moment" [ UN Climate Change] @UNFCCC Oct 9 “The 1.5°C @IPCC_ch report is an ear-splitting wake-up call to the world. The coming period is critical. The #UN Climate Conference in Katowice #COP24 in December is a can’t-fail moment" said @UN Secretary-General @antonioguterres #SR15 #ParisAgreement https://twitter.com/UNFCCC/status/1049641202205843456 Oceanflynn (talk) 18:22, 10 October 2018 (UTC)
 * "Limiting global warming to 1.5°C would require rapid, far-reaching and unprecedented changes in all aspects of society." UNFCC UN Climate Change Oceanflynn (talk) 18:27, 10 October 2018 (UTC)
 * "This is one of the most important meetings in the IPCC’s history". #IPCC Chair Hoesung Lee kicks off @IPCC_CH meeting in Republic of Korea on the #ParisAgreement’s 1.5°C temperature goal #SR15" Oceanflynn (talk) 18:14, 10 October 2018 (UTC)
 * UN Climate Change @UNFCCC October 6 "From ‘net zero emissions’ to ‘temperature overshoot’ - this useful explainer by @WMO helps understand the #IPCC Special Report on 1.5°C >> #SR15 published on Monday 8 October subject to approval by #IPCC membersOceanflynn (talk) 16:00, 8 October 2018 (UTC)
 * Twitter "In awarding the Nobel prize to Bill Nordhaus,the committee explicitly praised the use of carbon prices to solve climate change. Over 40 countries already have some form of carbon pricing-but not the U.S., where the concept was invented, via @bradplumer⁩"
 * @CoralMDavenport Twitter: Economist Bill Nordhaus won the Nobel prize. Nordhaus "heavily cited" in "blockbuster" new #climate science report: "A price on carbon is central to prompt mitigation."


 * Other RS
 * "New U.N. Climate Report Says Put a High Price on Carbon"


 * "European Geosciences Union (EGU) President Jonathan Bamber said: "EGU concurs with, and supports, the findings of the SR15 that action to curb the most dangerous consequences of human-induced climate change is urgent, of the utmost importance and the window of opportunity extremely limited."


 * Vox
 * SR15
 * The Guardian Global warming must not exceed 1.5C, warns landmark UN report; Great Barrier Reef faces dire threat with 2C global warming, UN report says
 * The Guardian "We must reduce greenhouse gas emissions to net zero or face more floods by Oceanflynn (talk) 16:00, 8 October 2018 (UTC)
 * The Guardian "World leaders told they must act over climate change 'cliff-edge"

Adding to listOceanflynn (talk) 18:04, 10 October 2018 (UTC)

List of related Wikipedia articles to which this article might be linked
Adding to listOceanflynn (talk) 18:04, 10 October 2018 (UTC)
 * Great Barrier Reef
 * Contributors who have Wikipedia articles
 * Intergovernmental Panel on Climate Change In a Notes section?:"The IPCC does not carry out its own original research, nor does it do the work of monitoring climate or related phenomena itself. The IPCC bases its assessment on the published literature, which includes peer-reviewed and non-peer-reviewed sources". In this article:
 * IPCC Chair Hoesung Lee
 * Extreme weather
 * effects of global warming
 * climate change adaptation
 * climate change mitigation
 * Bill Nordhaus
 * carbon price

This Wikipedia article in other languages

 * German Wikipedia has a fully developed article Sonderbericht zur globalen Erwärmung von 1,5 Grad des IPCC with the following useful sections and subsections:

— Preceding unsigned comment added by Oceanflynn (talk • contribs) 17:28, 10 October 2018 (UTC)
 * Lead
 * Table of Contents
 * Central statements
 * General understanding of a warming of 1.5 degrees Celsius
 * Projected climate change, consequences and related risks
 * Emission paths to limit global warming to 1.5 degrees Celsius
 * Strengthening the Global Response to Sustainable Development and Poverty Reduction
 * Comments on SR1.5
 * Reactions
 * Switzerland
 * See also
 * Further reading
 * Core statements of the report
 * Weblinks
 * References

Wikinews
This would make a great Wikinews item. Anyone want to help?Oceanflynn (talk) 16:08, 8 October 2018 (UTC)
 * Done UN Report on Global Warming calls for rapid 'unprecedented' changes globally to limit planetary warming to 1.5 degree C October 10, 2018Oceanflynn (talk) 17:16, 10 October 2018 (UTC)

Info box
Is this the right info box? There is a template problem with it. Thanks. I am also attempting to create a related WikiNews item and I would like to have it looking acceptable. Oceanflynn (talk) 18:14, 8 October 2018 (UTC)
 * That's a citation template you've used, it will not produce an infobox. Infoboxes are optional, there's no need to have one on this article.
 * Thanks I removed it.Oceanflynn (talk) 20:23, 8 October 2018 (UTC)
 * Other advice: the list of contributors can be found in the report, there is no need to reproduce it here. If one of the press reports makes particular mention about one of the contributors, you could discuss their participation in that context.  — jmcgnh (talk) (contribs) 19:02, 8 October 2018 (UTC)
 * I am considering creating an article: List of contributors to RS15 re: similar articles for previous IPCC reports.Oceanflynn (talk) 17:38, 10 October 2018 (UTC)
 * I'd like to keep it for now because it has names of scientists who already have Wikipedia pages. Can I hide it? Do you know the template for that? I may also put it in the talk page. Thanks again. Oceanflynn (talk) 20:23, 8 October 2018 (UTC)

List of contributors
Moved the list from article following advice of

I have created a Contributors to the Special Report on Global Warming of 1.5ºC user page.Oceanflynn (talk) 16:58, 11 October 2018 (UTC)

Contributing authors include :


 * Myles Allen (UK)
 * Mustafa Babiker (Sudan)
 * Yang Chen (China)
 * Heleen de Coninck (Netherlands)
 * Sarah Connors (UK)
 * Renée van Diemen (Netherlands)
 * Opha Pauline Dube (Botswana)
 * Kris Ebi (USA)
 * Francois Engelbrecht (South Africa)
 * Marion Ferrat (UK/France)
 * James Ford (UK)
 * Piers Forster (UK)
 * Sabine Fuss (Germany)
 * Tania Guillen (Germany/Nicaragua)
 * Jordan Harold (UK)
 * Ove Hoegh-Guldberg (Australia)
 * Jean-Charles Hourcade (France)
 * Daniel Huppmann (Austria)
 * Daniela Jacob (Germany)
 * Kejun Jiang (China)
 * Tom Gabriel Johansen (Norway)
 * Mikiko Kainuma (Japan)
 * Kiane de Kleijne (Netherlands)
 * Elmar Kriegler (Germany)
 * Debora Ley (Guatemala/Mexico)
 * Diana Liverman (USA)
 * Natalie Mahowald (USA)
 * Valérie Masson-Delmotte (France)
 * Robin Matthews (UK)
 * Reinhard Melcher (Austria)
 * Richard Millar (UK)
 * Katja Mintenbeck (Germany)
 * Angela Morelli (Norway/Italy)
 * Wilfran Moufouma-Okia (France/Congo)
 * Luis Mundaca (Sweden/Chile)
 * Maike Nicolai (Germany)
 * Chukwumerije Okereke (UK/Nigeria)
 * Minal Pathak (India)
 * Anthony Payne (UK)
 * Roz Pidcock (UK)
 * Anna Pirani (Italy)
 * Elvira Poloczanska (UK/Australia)
 * Hans-Otto Pörtner (Germany)
 * Sonia Seneviratne (Switzerland)
 * Priyadarshi R.Shukla (India)
 * James Skea (UK)
 * Raphael Slade (UK)
 * Drew Shindell (USA)
 * Chandni Singh (India)
 * William Solecki (USA)
 * Linda Steg (Netherlands)
 * Michael Taylor (Jamaica)
 * Petra Tschakert (Australia/Austria)
 * Henri Waisman (France)
 * Rachel Warren (UK)
 * Panmao Zhai (China)
 * Kirsten Zickfeld(Canada)

Missing space between numerical value and unit symbol in article title
I just added a space between "1.5" and "°C" throughout to comply with WP:MOSNUM. The title still needs correcting but I don't know how to fix that. Dondervogel 2 (talk) 20:54, 12 October 2018 (UTC)


 * Good catch. I moved the page to the new title. As far as I know it's not possible to insert nonbreaking spaces into articles titles themselves, so links to the page should now be formatted like this: Special Report on Global Warming of 1.5ºC . —BLZ · talk 21:49, 13 October 2018 (UTC)

Main Statements: Use of "This report"
In the Main Statements section, I don't think we should start off with text like "This report" or "According to this report." I think it's understood that the whole article is about the report. Musujyay (talk) 17:35, 19 October 2018 (UTC)

Current Article Title is Technically not Using the Correct Degree Sign
The current title of this article uses the the (º) character to represent degrees. However, this character is actually &#186; and is the "masculine ordinal indicator", not the degree sign. The degree sign (°) is &#176; and is used throughout the article itself. Should the article title be changed to use the degree sign? I do not think that this is a technical limitation of Wikipedia titles, but rather inconsistency in how we each write the symbol.

For now, I have created a page with the same name but using the degrees symbol (Special Report on Global Warming of 1.5 °C) and made it redirect here to this page. Perhaps it should be the other way around? ChromeGames923 (talk) 17:46, 21 October 2018 (UTC)


 * Great catch, thanks for pointing this out. I've so that the title uses the degree symbol. —BLZ · talk 23:13, 15 November 2018 (UTC)
 * I'm in awe Skinnytony1 (talk) 23:29, 15 November 2018 (UTC)

Its broad findings are reported as being that drastic action must be taken?
This is dubious in the lede: "Its broad findings are reported as being that drastic action must be taken". It may well be true that it is being reported as such, but it doesn't appear to be true that the report does so. The headline statements contain no recommendations, and certainly no use of the word drastic William M. Connolley (talk) 06:50, 24 October 2018 (UTC)
 * I agree that that statement misrepresents the findings of the report itself. A change that better reflects the tenor of the report has my support -- Jmc (talk) 09:01, 25 October 2018 (UTC)
 * Perhaps a change of wording to use wording from the accompanying press release which states "Limiting global warming to 1.5oC would require rapid, far- reaching and unprecedented changes in all aspects of society" and the summary for policy makers states "Global net human-caused emissions of carbon dioxide (CO2) would need to fall by about 45 percent from 2010 levels by 2030, reaching ‘net zero’ around 2050". The quantitive changes required for the climate to be stabilised at or below 1.5 degrees could be defined as "drastic" but "far-reaching and unprecedented changes in all aspects of society" is less ambiguous. What do you think? Skinnytony1 (talk) 23:20, 25 October 2018 (UTC)
 * @Skinnytony1 : good suggestion; has my support. The first part of the sentence ("Its broad findings are reported as being that") could be better worded - perhaps along the lines of "The report forsees". -- Jmc (talk) 08:42, 26 October 2018 (UTC)

Improved citation
The following citation markup is preferable to that currently used (in my opinion). Those working on this article might like to transfer it? RobbieIanMorrison (talk) 19:04, 19 August 2019 (UTC)


 * The ":0" refs were redundant, and the sfn refs were not working properly. Now they should be OK. The source is at Wikidata - there are still authors (editors) to add to both the summary and the full report. Boud (talk) 04:21, 5 December 2023 (UTC)

Potential error in the order of percentages?
This sentence

"580 GtCO2 and 420 GtCO2 for a 66% and 50% probability of limiting warming to 1.5 °C, using global mean surface air temperature (GSAT); or 770 and 570 GtCO2, for 50% and 66% probabilities, using global mean surface temperature (GMST)"

is a bit confusing. Surely the 580 GtCO2 refers to the 50% probability and the 420 GtCO2 refers to the 66% probability, as in the less carbon you emit the more likely you are to limit the warming. The GMST probabilities in the second half of the sentence support this reading. — Preceding unsigned comment added by 82.16.143.128 (talk) 15:15, 29 November 2019 (UTC)


 * You're right, these probabilities were swapped w.r.t what was written in the source. Fixed, thanks for noticing. Tokenzero (talk) 18:14, 1 December 2019 (UTC)