@kimberlynicholas.bsky.social Profile picture
Aug 9, 2021 30 tweets 26 min read Read on X
Hi, it’s your friendly neighborhood climate scientist. Facing the #climatecrisis is tough! Here’s the essentials you need to know, tips for finding where you can contribute with purpose and meaning to the work needed, and evidence-based high-impact climate actions. A THREAD: 1/n
(A quick introduction if we haven’t met: I’m a climate and sustainability scientist @lunduniversity in Sweden. I research personal & policy climate solutions, sustainable food & land systems, & wine & climate change. My goal: a world where people and nature can thrive. 2/n)
@lunduniversity #ClimateChange science has been clear for a long time. I’ve taught this framework for over a decade:
It’s warming
It’s us
We’re sure
It’s bad
We can fix it.
(Footnotes: kimnicholas.com/climate-scienc…
Podcast w/ @ylld open.spotify.com/episode/5BrYPH…
Curriculum kimnicholas.com/climate-change…) 3/n
@lunduniversity @ylld Humans are heating the planet mostly by burning fossil fuels like coal, oil, and gas. Deforestation & agriculture cause the remaining heating (and most of the #BiodiversityCrisis). To stop warming, we have to leave #FossilFuels in the ground very extremely fast. 4/n
@lunduniversity @ylld We’re sure: There is overwhelming scientific consensus (agreement on a question of fact) that it’s humans warming the climate.

In fact, humans likely more than 100% of warming! See @hausfath .
It’s *really* bad: One of the hardest parts of my career is watching dire climate predictions come true, including in places I love. My family evacuated in the 2017 fires made worse by human-caused heating. Thankfully they stayed safe, but friends lost homes and even lives. 6/n
So how do we find the courage (h/t @DrKateMarvel) to face the #ClimateCrisis?
I talked about the Five Stages of Radical Climate Acceptance:
1. Ignorance
2. Avoidance
3. Doom
4. All the Feels
5. Purpose
on @TheWorld w/ @MarcoWerman @ASKusmer

I've found there’s no way out but through: you have to face the uncomfortable feelings from the #ClimateCrisis including grief, fear, anger. I wrote about my climate grief for @theguardian:
I also write about my anger at what it feels like to be a scientist in a world that sometimes doesn’t want to hear the truth, in this piece on loving the Earth, but hating the hypocrisy and greenwashing of Earth Day:
Please follow and listen to climate scientists, like @coralsncaves, @JacquelynGill, @KevinClimate, @Peters_Glen. @KHayhoe has a comprehensive list of "scientists who do climate". To get your climate news straight from a climate scientist: wecanfixit.substack.com
For more righteous climate anger, I recommend heated.world by @emorwee and hot-take.ghost.io/otherposts/the… by @amywestervelt & @MaryHeglar. Check out @Zlevo research on how climate anger can protect your mental health!
More and more scientists are having to grapple with how we keep up the strength and health to keep doing this work, and how we can support students who are running into a house on fire, as @DavidMalakoff wrote for @science:
A great resource for staying sane in the #ClimateCrisis is Gen Dread, by @brittwray. I've found really useful and actionable advice there on taking care of myself and others, and on building the community we need to get through this together.
So how do you figure out your core values, and how to put them into practice to both create personal meaning and work towards climate stability? I discussed w/ @SigalSamuel for @voxdotcom:
Okay, let’s get practical. What can YOU actually DO, as a citizen, community member, and consumer, that makes a real difference for the #ClimateEmergency? Let’s look at the evidence.
Here’s what effective *collective* climate action actually looks like:

1. Vote (new study: wecanfixit.substack.com/p/voting-conse…)
2. Get politically active
3. Create media attention
4. Contact your rep (here’s what to say wecanfixit.substack.com/p/people-lie-a…)

Read more: wecanfixit.substack.com/p/12-ways-to-d…
Re: media attention: Some dedicated folks have been covering the climate story for years. Follow them and support their journalism! twitter.com/i/lists/129522…
But media needs to MASSIVELY step up their climate coverage. #EndClimateSilence by @DoctorVive is working on it!
How will we solve the #EcologicalEmergency? No silver bullet, but the most important step is more #PlantBased diets. I got to answer @rufuswainwright's food & #climate question on the impact of food choices, & hear a gorgeous song from his home studio: climatecontrolprojects.com/events/rufus-w…
@rufuswainwright Here’s how you can rewild your yard, grow more food where you can, support sustainable farmers: wecanfixit.substack.com/p/climate-fact…
More fundamentally, we need to rebuild our relationship with nature; here's a plan for making a hot date with Planet Earth: wecanfixit.substack.com/p/voting-conse…
@rufuswainwright We need policy changes to stop investing in, expanding, and supporting #FossilFuels. YES, AND: we cannot stabilize the #climate without high emitters (= high earners, $38,000 and up) reducing our own overconsumption, particularly flying and driving. wecanfixit.substack.com/p/pre-fire-dre…
@rufuswainwright .@themadstone wrote a great piece for @grist on why we need individual climate action from the rich grist.org/culture/cuttin….
@sethwynes & I found the most effective #climate actions are to go flight, car, & meat-free. Start by cutting at least half from where you are now. 21/n
High school and university education is currently failing at teaching #ClimateLiteracy and preparing climate citizens. kimnicholas.com/climate-educat…

If you're an educator, check out our curriculum for teaching #climate based on #IPCC: kimnicholas.com/climate-change…
Thanks for reading! This thread draws from my new book, penguinrandomhouse.com/books/665274/u….
A book club is a great way to build your climate community! I have a discussion guide here: kimnicholas.com/discussion-que…
I can join your book discussion on Zoom: kimnicholas.com/book-seminar.h…
"What can #wine tell us about the future of life on Earth?" My 40-minute talk covers the key science & solutions for the #Climate and #EcologicalCrisis, drawing from my research & that of many colleagues. Feel free to use in teaching, etc!

Busy folks (incl new parents) are using my free newsletter to build climate discussion & action groups. It's a monthly dose of facts, feelings, and action, helping you figure out what YOU can do be part of fixing the #ClimateCrisis.
Subscribe: wecanfixit.substack.com
To take your #ClimateAction advice on the go, check out podcasts where I've contributed, including:

@bbc w/ @ritula,
@guardianeco w/ @dpcarrington,
@voxdotcom w/ @SigalSamuel,
@NakedScientists, @PRHAudio, @NewClimateCap, @GenAnthropocene...

@threadreaderapp unroll please
What about the economy? It needs to be aligned with a stable climate, from policies to end fossil subsidies & #divest from fossil fuels, to breaking up with climate-destroying banks (how-to: wecanfixit.substack.com/p/dont-be-foss…), decarbonizing industries & supply chains & portfolios.
More fundamentally, to make the just climate transformation we need, we have to replace the Exploitation Mindset (denying equality between people; at war w/ nature) w/ a Regeneration Mindset (respect & care for people & nature; reduce harm at its source; build resilience). 28/n
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More from @KA_Nicholas

Apr 13, 2023
"Red pill" climate talk from the inimitable @KevinClimate - argues 1.5°C of warming is the upper limit of what can be considered achieving the goal of Paris: avoiding dangerous climate change. Climate just responds to brutal physics, not promises. 1/ ImageImageImage
"'1.5 is dead' is deliberately misleading, or a misunderstanding of science" says @KevinClimate. We'd take the medical treatment with a 1/6 chance; there is still an outside chance. Reductions needed are incredibly rapid, can't see making blue line (50%) but red possible. /2 ImageImageImageImage
Divide the carbon pie (budget) wrt equity, developed countries lead: blue = developed countries, must get to zero emissions ca. 2031. Only 18% world lives in blue; more onerous per cap on developing countries. For 2°C, C budget ca 2x that for 1.5, still small! @KevinClimate /3 ImageImageImage
Read 15 tweets
Mar 20, 2023
Now live-tweeting the #IPCC #ClimateReport press conference, sharing results from the largest scientific effort to analyze the #ClimateAction needed for a livable future for all.
Follow here and in this THREAD:
"The pace and scale of what has been done, and current plans, are insufficient to tackle climate change. We are walking when we should be sprinting. Impacts include illness and death, damage global economy, threaten our life support system." H-S Lee, #IPCC #ClimateReport /2
Effective, equitable action now can lead to more sustainable, just world; benefits for people and nature. Many feasible and effective options. Must cut global GHG emissions by almost half by 2030 "if we want a chance to stay at/below 1.5°C" H-S Lee #IPCC #ClimateReport /3
Read 24 tweets
Mar 16, 2023
Scientists, don't separate activism and research, urges @JKSteinberger. We need ongoing critical reflection; only way to understand a system is try to change it. Activism critical to system change.
Relatively little social science studies effectiveness of less powerful groups in making system change. @JKSteinberger shares lessons from THIS IS AN UPRISING on non-violent civil disobedience. Focus on disruption, decentralized, shift debate to your terms, choose moral sides /2
Traditional appeals to power (e.g., @GretaThunberg outside Parliament) risks surface responses like declaring climate emergency w/o real action; then must fight portrayal of action in media. @JKSteinberger uses her power (as a citizen & scientist), shares lessons learned. /3
Read 13 tweets
Oct 27, 2022
The logic of "overshoot": dominant approach (scientific, corporate, gov't) is now to temporarily exceed 1.5 or 2°C warming, then bring temperatures down using carbon removal, + maybe solar geoengineering; argument is this "buys time to finally get rid of fossils." @wim_carton
Overshoot narrative relies on "rational optimism"- assumes carbon removal, solar geoengineering can be governed smoothly + responsibly. This assumption is "Rather problematic... if capitalism was rational & responsible, we wouldn't face overshoot in the 1st place!" -@wim_carton
Unpacking assumptions behind "overshoot" of climate targets:
1. Reversibility (what about tipping points, risks @ extremes? Even if temp reversible, sea level rise, permafrost, ice, species, ocean acidification,... are not)
Read 5 tweets
Oct 14, 2022
As the climate scientist who led the independent @ResearchersDesk analysis of Sweden's political parties' climate policies, I'm infuriated to read the new government's agreement claim "politics must be in line with research and based on facts," then do the opposite. THREAD Image
For example, @kdriks leader @BuschEbba told @dagensnyheter @linalund “Sweden will manage the climate transformation and meet our share of the Paris Agreement.” But our @ResearchersDesk analysis found proposals by the parties now in power will NOT meet the Paris Agreement. 2/n
KD and SD placed heavy emphasis on nuclear power before the election, and nuclear is a (the?) main plank of the agreement released today. However, our analysis showed nuclear is unlikely to reduce emissions before 2030, thus wasting our chance at avoiding climate catastrophe. 3/n
Read 10 tweets
Jun 7, 2022
Large-scale land acquisitions (foreign interests buy/lease land) often claim to support #foodsecurity.

But our study in @WorldDevJournal w/ @A_Mechiche & @Jiyagbi found deals are likely to benefit food security in only 7 African countries. 1/n🧵
sciencedirect.com/science/articl… Map of African countries studied for their food security ben
Food security = available + access + utilisation + stability (@FAOKnowledge). We developed indicators of each for African countries in our study; found food insecurity across Africa decreased since 2000 (good!), but only 3 countries were relatively food secure in 2017 (bad) 2/n
Instead of providing food security, we found the best lands are allocated to flex crops; food is produced only on marginal lands. 83% of land deals are located where they risk increasing land pressure, conflicts, or deforestation. 3/n
Read 8 tweets

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