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:
1/
"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
"Lowering demand for carbon-intensive goods and services is a particularly promising way to reduce emissions." Also important for fairness; the most vulnerable 15x more likely to die in extremes. Money cannot solve everything but it's critical. H-S Lee #IPCC #ClimateReport /4
There is enough money to rapidly reduce emissions, but need to invest 3-6x more. Climate action is good for everyone, can provide benefits to all (reduce poverty/hunger, improve health). Health benefits of avoided air pollution=cost of reductions
H Lee #IPCC #ClimateReport /5
Call on all of us to make a difference. Everyone has different responsibilities/opportunities. Some can do a lot, while others need help. Our choices will reverberate for hundreds, even thousands of years.
-H Lee #IPCC #ClimateReport /6
"All the climate parameters are moving in totally wrong direction." melting, sea level rise, GHG concentrations, ... but we have technically effective means to limit warming to even 1.5°, opportunities for biz and finance. @WMO Petteri Taalas #IPCC #ClimateReport /7
Synthesis report tells us climate change is here now, threat to human and planetary well-being, which are 1 and the same. We're very close to 1.5° limit, which isn't safe for people and planet. @andersen_inger #IPCC #ClimateReport /8
Our collective failure to cut GHGs puts us on track to exceed 1.5°C. We must turn down the heat. We have the tech and know-how to get it done, like renewable energy instead of fossil fuels, ecosystem restoration. @andersen_inger #IPCC #ClimateReport /9
Q: What is message to people in power, & to those wondering what they can do?
A: This #IPCC #ClimateReport is a "message of hope". We have tech, know-how, tools to solve problems. e.g., huge room for improvement of energy efficiency, 40-70% in some sectors.
/10
A: Need 3-6x more $. Govts need to send clear signals; finance needs to flow to places with greatest need= developing countries. #IPCC #ClimateReport /11
Unfortunately tech issues interfered with @antonioguterres' always-fiery kickoff to #IPCC #ClimateReport. Thanks to @FutureEarth for the link where you can read his remarks.

/12
Q: Based on current science, when do you expect current temps to exceed 1.5°C?
A: Almost irrespective of our emissions choices, we will prob reach early next decade. But this decade is where we can apply the brakes and stop warming there. #IPCC #ClimateReport. /13
What we need for #ClimateAction: political will from policymakers and constituents who determine political leaders; public support for immediate action to make climate-neutral world will be realistic; personal motivation for net zero. H Lee #IPCC #ClimateReport /14
Q: Is it realistic that global warming will slow down if we take action now?
A: Yes, we will see effects within 20 years on global mean temps if we take action now. Each year now has 40-60% chance exceeding 1.5°C, but that's not same as long-term trend. #IPCC #ClimateReport /15
Q: What drives focus on individual action, is it bc govts falling short?
A: We have to stop making climate change "somebody else's problem." It is all of our problem. We'd have far more options if we'd acted starting 1990. #IPCC #ClimateReport /16
Q: Is #netzero by 2040 for industrialized countries consistent with #IPCC #ClimateReport?
A: Yes. Global netzero by 2050 means some countries (w/ tech, finance) have to reduce carbon emissions faster. H Lee /17
Q: How important is it for rich nations to fix the climate problem? Equity, historical?
A: Rich nations have the tech and finance to achieve climate goals. Must increase climate finance 3-6x.
-H Lee
#IPCC #ClimateReport
Why isn't capital available for the climate challenge? Financial sector must have different risk calculation than our scientists. -H Lee
#IPCC #ClimateReport /18
Q: What about paying for #LossAndDamage?
A: Negative impacts of cc are occurring in all regions. Low-income have biggest adaptation gaps. Climate justice should close these gaps and reduce GHGs. Biggest gains in wellbeing: risk reduction for marginalized #IPCC #ClimateReport /19
AR5 tried to compare benefits and cost of #ClimateAction, range too wide.
AR6 found global economic benefit of 2°C stabilization outweighs mitigation cost, this is important new finding.
-H Lee
#IPCC #ClimateReport /20
Nice visual summary of key #IPCC #ClimateReport takeaways:
With continuing GHG emissions, it will get warmer.
We are not on track to limit warming to 1.5 or 2°C.
Need deep, rapid, sustained reductions in all sectors; more adaptation. /21
Need more equitable solutions, climate finance, tech, int'l cooperation. We have feasible, effective options available now. #IPCC #ClimateReport /22
More emphasis on lifestyles and #ClimateJustice in new #ClimateReport 👇

/23

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More from @KA_Nicholas

Mar 16
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.
1/
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)
-@wim_carton
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
Apr 14, 2022
12 ways to reduce cars in cities that have *already worked*, ranked by effectiveness, from screening nearly 800 papers.
Key takeaways: combine carrots for sustainable mobility + sticks to restrict cars; govt must lead.
Our new research led by Paula Kuss.
theconversation.com/12-best-ways-t…
Cars are a problem: for climate, health, inequality, city space... Making cars fossil-free is necessary, but will not be sufficient for any of those goals; we need to reduce unnecessary cars as much as possible. I review the evidence for @ConversationUK:
theconversation.com/12-best-ways-t…
We identified 12 measures already implemented across European cities that have measurably reduced cars. The most effective combine charges/restrictions for cars + investments/campaigns for walking, biking, public transport. Figure by @emmalijohansson!

theconversation.com/12-best-ways-t…
Read 4 tweets
Apr 4, 2022
"A litany of broken climate promises, a file of shame cataloguing empty pledges that put us on fast track to an unlivable world & climate disaster. This is what science tells us will result from our current energy policies." @antonioguterres 👏🔥
#IPCC #ClimateReport presser 1/n
"Government and business leaders are saying one thing and doing another. Simply put, they are lying. Climate scientists warn we are close to tipping points that could lead to irreversible, cascading impacts." @antonioguterres
#IPCC #ClimateReport presser 2/n
"Current climate pledges mean 14% increase in emissions. We need 45% cut by 2030. The dangerous radicals are not activists, but countries investing in new fossil fuel infrastructure, which is moral and economic madness." @antonioguterres 💚
#IPCC #ClimateReport presser 3/n
Read 30 tweets

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