Talk:Climate change mitigation

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I'm wondering why using Ocean acidification for ocean alkalinity enhancement？

The arrangement happened in the section of ===Deep ocean===. Thanks for your attention. ThomasYehYeh (talk) 02:29, 27 May 2023 (UTC)[reply]

@ThomasYehYeh Sorry I don’t understand your question - can you explain in more detail? Chidgk1 (talk) 07:07, 27 May 2023 (UTC)[reply]
It looks that the author seems to mean ocean alkalinity enhancement and ocean acidification are the same. But is it right? ThomasYehYeh (talk) 09:14, 27 May 2023 (UTC)[reply]
@ThomasYehYeh Still can’t see it. Exactly which sentence(s) need clarifying please? Chidgk1 (talk) 14:25, 28 May 2023 (UTC)[reply]
In sentenses of "These options focus on the carbon that can be stored in ocean reservoirs. They include [[ocean fertilization]], [[Ocean acidification|ocean alkalinity enhancement]] or [[enhanced weathering]]." The expression of [[Ocean acidification|ocean alkalinity enhancement]] looks like the author tried to mean Ocean acidification equals ocean alkalinity enhancement. ThomasYehYeh (talk) 23:37, 28 May 2023 (UTC)[reply]
I think I understand what you mean now. I have corrected the wikilink now: from ocean alkalinity enhancement there is a redirect to the section of "ocean alkalinity enhancement" within ocean acidification. So they are not the same thing. But when you hover over ocean alkalinity enhancement it look as if the wikilink is going to ocean acidification (but it's going to a particular section within that Wikipedia article). EMsmile (talk) 21:45, 13 June 2023 (UTC)[reply]

Needs clarification in section of Cost

One 2018 estimate stated that temperature increase can be limited to 1.5 °C for 1.7 trillion dollars a year. According to this study, a global investment of approximately $1.7 trillion per year would have been needed to keep global warming below 1.5°C. I find it difficult to treat "1.7 trillion dollars a year" and "investment of approximately $1.7 trillion per year" as 1 matter or 2 matters. Can anybody help? Thanks. ThomasYehYeh (talk) 08:09, 28 May 2023 (UTC)[reply]

Perhaps we should just remove those sentences as too old? A lot has happened since 2018. Chidgk1 (talk) 14:27, 28 May 2023 (UTC)[reply]
I agree with you and have removed that sentence now. Also removed a bit more from that section, see edit summaries on the history page. EMsmile (talk) 21:38, 13 June 2023 (UTC)[reply]

Unit missing from energy consumption graph?

Coal, oil, and natural gas remain the primary global energy sources even as renewables have begun rapidly increasing.[1]

This graph on the right, which is part of this article, doesn't seem to have a unit for the y-axis, neither is the unit mentioned in the caption. Is that on purpose? Pinging User:Efbrazil. The graph is quite popular and appears in the following English Wikipedia articles, apart from this one: Renewable energy, Climate change, Energy transition, World energy supply and consumption. EMsmile (talk) 11:58, 11 September 2023 (UTC) EMsmile (talk) 11:58, 11 September 2023 (UTC)[reply]

Lack of Y axis is on purpose, as the measurement is exajoules, which isn't going to mean anything to people. I clarified the description on the graphic (not here, but on wikimedia). Efbrazil (talk) 16:06, 12 September 2023 (UTC)[reply]

References

  1. ^ Friedlingstein, Pierre; Jones, Matthew W.; O'Sullivan, Michael; Andrew, Robbie M.; Hauck, Judith; Peters, Glen P.; Peters, Wouter; Pongratz, Julia; Sitch, Stephen; Le Quéré, Corinne; Bakker, Dorothee C. E. (2019). "Global Carbon Budget 2019". Earth System Science Data. 11 (4): 1783–1838. Bibcode:2019ESSD...11.1783F. doi:10.5194/essd-11-1783-2019. ISSN 1866-3508. Archived from the original on 6 May 2021. Retrieved 15 February 2021.

Usage of the term "we"?

I noticed that the article uses the term "we" quite often now, about 19 times. I believe some of the "we"'s were added by User:Jonathanlynn in an effort to convert passive voice to active voice. I just wonder if "we" is really suitable for encyclopedic articles? Who is "we"? Is it too casual? Should it not be "citizens", "people", "decision makers" etc. Example sentences that are now in the article (bolding added by me) "We can conserve energy by reducing wastage and losses. We can improve efficiency by upgrading technology, and improving operations and maintenance.", "How we produce, transport and process a fuel has a significant impact on lifecycle emissions", "As we integrate larger amounts of solar and wind energy into the grid, we must change energy system to ensure that the supply of electricity matches demand." What does everyone and Jonathanlyann think about this? EMsmile (talk) 21:48, 9 January 2024 (UTC)[reply]

Agreed. In most writing, active voice is considered preferable. But here, passive voice is acceptable, and it is preferable if it is more objective. —RCraig09 (talk) 22:35, 9 January 2024 (UTC)[reply]
This is tricky, as all the tools for measuring readability penalise use of the passive voice. Of course, these tools may not be the last word, and they may not apply in every case, but presumably they are based on research that shows greater difficulty in understanding text in the passive. Unfortunately English cannot use an active construction with the subject "one" to avoid the passive, as French does with "on" and German with "man" etc. It sounds stilted and unnatural in English. "we" is a more colloquial alternative here in English. (For what it's worth, in current colloquial French "on" is starting to replace "nous" to mean "we" as well...) We could replace the mentioned examples with passive constructions, but it will certainly reduce the readability score, and probably the actual readability. Jonathanlynn (talk) 10:14, 10 January 2024 (UTC)[reply]
Thanks for these inputs. I am against passive voice (if we can avoid it). Would it work to replace "we" with specific nouns such as "citizens", "consumers", "politicians", "decision-makers" and so forth (choosing in each case which noun would be the most correct)? And is there any Wikipedia policy about the usage or non-usage of "we"? I haven't found one yet. EMsmile (talk) 10:49, 10 January 2024 (UTC)[reply]
While not strictly policy, MOS:WE states that "we" is acceptable in scientific writing, but also notes passive voice may be preferable. I enjoy the readability of the article, though it does seem that some of the substitutions suggested by EMsmile can be used to preserve active voice. I don't feel too strongly about the use of we in general, but there are some cases that could be weaselly or otherwise vague. For example, in "As we integrate larger amounts of solar and wind energy into the grid...", might this generalized "we" imply perhaps erroneously that all grids globally (wherever the reader may be reading from) are integrating larger amounts of solar/wind energy? –TheAustinMan(Talk ⬩ Edits) 16:46, 10 January 2024 (UTC)[reply]
I've now changed all the "we" sentences to other wording, without changing to passive voice. This might have lowered the reading ease scores a little bit (because in some instances I now used multi-syllable nouns) but I think it's better. Interestingly, there are 7 instances of "we" remaining but they are all in the titles of the references. EMsmile (talk) 09:37, 12 January 2024 (UTC)[reply]

Wildfire prevention

Totally agree with this edit summary by EMsmile. Not ″hiding″ it in see also, I didn’t add it just because I’m no expert in climate change and I don’t want to mess things up :) Please add the details to the article, thanks! --Dustfreeworld (talk) 17:18, 13 January 2024 (UTC)[reply]

We are basically all non-experts but that doesn't stop us from editing Wikipedia articles. ;-) A good starting point would be to look for how "wildfire" is mentioned in the IPCC Sixth AR WG 3 report. I see it more often framed as an effect of climate change but not so much as a mitigation thing, e.g. "With climate change, wildfires will probably become more frequent". (which is then more in the Working Group 2 report). Anyhow, there might be a mention in the WG 3 report on how wildfire prevention counts towards climate change mitigation, or in another publication. Once we find that, we can easily add it to the article. EMsmile (talk) 17:31, 13 January 2024 (UTC)[reply]
Searching for "prevention" in above mentioned report I found only this so far "In some ecosystems, fire prevention might lead to accumulation of large fuel loads that enable wildfires". EMsmile (talk) 17:31, 13 January 2024 (UTC)[reply]
Thanks for the search and the info. The “fuel loads” seems to be talking about this:
https://www.cbsnews.com/amp/news/fires-destroy-forests/
“... fire-scarred trees. By cutting a cross-section of a tree stump, Parks points out how trees can carry scars from long-ago fires that were set every 10 to 30 years by the ... tribe that lived here. And yet those trees survived. You can see curls in the wood that show where the tree was scarred and started to regrow around that scar. Those scars, research shows, are evidence that Indigenous Americans successfully controlled wildfires by regularly setting smaller fires to reduce the buildup of fuel. After the U.S. removed the tribe from the land and began the practice of excluding fire from the forest, many trees didn't see a fire for a century or more … bears no fire scars for 100 years ... All around it, fuel built up unabated during those years, feeding future fires that today burn hotter and are more lethal, Parks says”
IMO it’s more related to “vanishing of prescribed burning” (small controlled fires) than “wildfire prevention” (uncontrolled large fires), which are probably two different concepts (that are easily mixed up) …
And then we have:
But as things are still somewhat unclear, I think just a brief mention (one or two sentences) like you said would be more than enough. Or maybe we would just leave it for now and I’m happy as long as the wikilink is present in the article :) --Dustfreeworld (talk) 10:40, 14 January 2024 (UTC)[reply]

References

References are lacking throughout. 2600:1700:2E10:A80:684B:ED49:AD8B:5620 (talk) 01:55, 21 January 2024 (UTC)[reply]

What do you mean? EMsmile (talk) 20:14, 21 January 2024 (UTC)[reply]

Adapting the same wording as used at climate change?

Now that we have found suitable wording for the mitigation content at climate change (in the last paragraph of the lead of that article), should we also massage the same kind of wording into the lead and main text of this article? Pinging User:Efbrazil as they steered that discussion so well. EMsmile (talk) 15:15, 1 April 2024 (UTC)[reply]

Thanks! How can I turn down such a nice request? Like a moth to a flame, here's a few thoughts on the first paragraph:

  • The existing paragraph is overlong and stilted
  • 3/4ths of climate change is fossil fuel use, so that's where we should be putting most of our emphasis
  • The remaining 1/4 is mostly land use. Land use is a complicated issue, as it is part of the fast carbon cycle, not the slow carbon cycle, so it's good to bring into the discussion but we shouldn't over emphasize it (more forests is not a solution, they'll eventually rot or burn)
  • CO2 removal is a fringe technology, arguably on par with climate engineering (SRM). While it's a necessary part of aggressive pathways, it's also highly speculative and not the key thing to focus on here.
  • We need to make it clear that actions to date are insufficient to avoid dangerous levels of climate change, which is not done in the current last sentence

Given that, here's an initial stab at a rewrite. I'm avoiding sources and wikilinks here to keep the focus on the text.

Proposal to change last para of the lead
Current version in live article Proposed version
Climate change mitigation (or decarbonisation) is action to limit climate change. This action either reduces emissions of greenhouse gases or removes those gases from the atmosphere. The recent rise in global temperature is mostly due to emissions from burning fossil fuels such as coal, oil, and natural gas. There are various ways how mitigation can reduce emissions. One important way is to switch to sustainable energy sources (a process called energy transition). Other ways are to conserve energy and to increase efficiency. It is possible to remove carbon dioxide (CO2) from the atmosphere. This can be done by enlarging forests, restoring wetlands and using other natural and technical processes. The name for these processes is carbon sequestration. Governments and companies have pledged to reduce emissions to prevent dangerous climate change. These pledges are in line with international negotiations to limit warming. Climate change mitigation (or decarbonisation) is action to limit climate change. Climate change is caused by increasing amounts of greenhouse gases in the atmosphere, which is primarily the result of burning fossil fuels such as coal, oil, and natural gas. Eliminating fossil fuel use involves conserving energy and replacing fossil fuels with clean energy sources such as wind, hydro, solar, and nuclear power. Secondary mitigation strategies include changes to land use and removing carbon dioxide (CO2) from the atmosphere. Governments and companies have pledged to reduce greehouse gas emissions, but actions to date are insufficient to avoid dangerous levels of climate change.

— Preceding unsigned comment added by Efbrazil (talk • contribs)

Thanks a lot. This looks good. As this article is not so heavily guarded, I think we can make incremental changes in the live article without long talk page discussions preceding it. As for your proposed new first paragraph, I like it but I find the second sentence is not linked very well with neither the preceding nor the following sentence. I think we should link them better by using constructions such as "for this reason" or "because of xx, yyy is necessary" (but without generating long sentences). I don't like that the first sentence ends with "climate change", and the second sentence starts with "climate change". But the overall approach and re-focus is good. EMsmile (talk) 09:25, 3 April 2024 (UTC)[reply]
OK, I was bold and edited the page directly with your input here. I see what you mean about the second sentence needing better bridging, so I made changes there. If anyone objects and backs the text out we can take it up here again, but hopefully we can just edit things on the live page to get to where we want. Note I also updated sources for the lead paragraph, including cutting a few sources that seemed unnecessary. Efbrazil (talk) 17:05, 3 April 2024 (UTC)[reply]
That's great, thank you. I've also made some further edits. I've put details in the edit summaries. Feel free to build on this, modify or revert. I have re-checked with the readability tool and most sentences are good, just a couple that are still in red (we can probably live with that).
But the lead is still a bit on the short side (only 368 words; I think we could aim for 450 to 500 words for an article of this length). Am wondering if we should add a bit on how individual action can help with mitigation? The main text has a section on it, so I think we could summarise that in the lead, e.g. more plant-based diets.
Maybe we could also be inspired and copy some sentences from the mitigation section of the main climate change article, i.e. from here: https://en.wikipedia.org/wiki/Climate_change#Reducing_and_recapturing_emissions
Interesting how that section is no longer called "mitigation" but "Reducing and recapturing emissions". Wondering if we also want to weave that language into our lead. Not too sure though if "recapturing emissions" is fully correct or abundantly clear though.EMsmile (talk) 21:48, 3 April 2024 (UTC)[reply]
I took an edit pass on the second and third paragraphs, just trying to help it read better and put things in context. A key part was introducing the idea of the fast and slow carbon cycles. A major issue to debunk is the idea of "just plant trees" as a way to mitigate climate change. Efbrazil (talk) 00:15, 5 April 2024 (UTC)[reply]
I think I'm done for today, feel free to go further or suggest what I should tackle next... Efbrazil (talk) 17:26, 5 April 2024 (UTC)[reply]

Merged Co-benefits of climate change mitigation

I've just carried out the merger from Co-benefits of climate change mitigation. This has made the section on co-benefits a bit too long probably. I've already looked for ways of condensing. Please help with condensing this further (if you think it ought to be condensed). We are actually so lucky that CC mitigation has so many co-benefits. Imagine if it didn't, how much harder it would then be to push it through... EMsmile (talk) 08:33, 12 April 2024 (UTC)[reply]

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