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Glen Peters
@Peters_Glen
, 3 tweets, 1 min read Read on Twitter
If "Nationally Determined Contributions" (NDCs) were, er, nationally determined contributions without emissions trading, then Article 6 is not needed and the Paris Agreement is much cleaner and more likely to deliver the promised cuts.

carbonbrief.org/bonn-climate-t…
Without trading, if a developing country betters a weak NDC, eg India, then those easy gains can't be offset by a rich country that doesn't deliver on their target, eg Norway. A weak Article 6 could completely undermine the Paris NDCs...
It could be argued that emission trading allows financial transfers. Yes. But perhaps better to have NDCs as domestic reductions only, and handle financial transfers separately.

Of course, if you removed ability for accounting tricks, the Paris Agreement would not exist...
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More from @Peters_Glen see all

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Glen Peters
@Peters_Glen
Another day, another bleak scenario...

@WoodMackenzie emerged with a conservative outlook:
* Current pathway more consistent with 3°C
* A carbon constrained pathway leading to 2.5°C could conceivably happen
* Very low confidence that 2°C achievable

1/
eto.think.woodmac.com
"There’s resistance to achieving the aspirational targets to reduce global carbon emissions set in Paris...The energy mix is not changing nearly as quickly as the world needs it to...there is still no carbon price in many major consuming countries or market segments."

2/
"the technologies essential for decarbonisation remain nascent; policy & regulation lack global coordination; & investment in the production of hydrocarbons & in the sectors that consume them persists at a high rate because money can be made."

3/
Read 5 tweets
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Glen Peters
@Peters_Glen
Will Chinese CO₂ emissions peak before the pledged 2030?

Quite possibly, according to a new study, but "other estimation techniques could give different results. You need to look at many such analyses & triangulate.” says @jikorsbakken

THREAD 1/

carbonbrief.org/chinas-emissio…
Chinese emissions looked to have peaked in 2013, but that looks highly unlikely with growth now returning at 1-2%/yr.

The ups & downs are driven by coal, often related to credit availability (infrastructure), with oil & gas growing handsomely...

2/

carbonbrief.org/guest-post-chi…
A new study looks at the characteristics & growth of 50 Chinese cities, arguing they exhibit an Environmental Kuznet's Curve (peak in CO₂/capita vs GDP/capita), & project CO₂ emissions for all of China assuming an EKC & find a peak in 2021-2025.

3/
rdcu.be/bMGo4
Read 10 tweets
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Glen Peters
@Peters_Glen
How do the climate impacts of 1.5°C of warming compare to 2°C of warming?

Climate impacts for 1.5°C are:
Longer categories...

1) 1.5°C is more than ¾ of 2°C of warming (nonlinear, convex)
2) 1.5°C is ¾ of 2°C of warming (linear)
3) 1.5°C is less than ¾ of 2°C of warming (nonlinear, concave)
4) It varies by climate impact

5) Insufficient evidence (doesn't fit on Twitter poll)
BTW, ignore the convex and concave, I got it the wrong way around...
Read 3 tweets

Related threads

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Zeke Hausfather
@hausfath
Electric vehicles are an important tool in decarbonizing transportation. However, despite the lack of tailpipes they are still far from zero-emissions. I dig into the details of the climate benefits and impacts of electric vehicles at Carbon Brief: carbonbrief.org/factcheck-how-… 1/6
The high-level takeaway: in virtually all cases EVs are better than a similarly-sized typical conventional vehicle. But they are not necessarily better than the most efficient hybrid or diesel vehicles in countries where lots of coal is used for electricity generation. 2/6
Batteries also matter a lot; there is enormous uncertainty in the academic literature on the lifecycle greenhouse gas emissions from battery production. Here are 17 different studies we looked at, for example: 3/6
Read 6 tweets
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Sotiri Dimpinoudis ❁‏
@sotiridi
Black block protestors are getting violent in #Paris and tear gas is being used a lot. #MayDay most #GiletsJaunes left before it was being getting violent.
#Update: it is getting down in #Paris black block protestors throwing rocks at police officers and tear gas is just surrounding people. #MayDay #1May
#Update: The tear gas is finally clearing up in #Paris and black block protestors are being pushed back of the square. #MayDay #1May
Read 21 tweets
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nonouzi
@Gerrrty
#Paris Tensions en cours sur les #ChampsÉlysées #Acte18 #Giletsjaunes #Yellowvests
#PARIS - The #GiletsJaunes are already on the Champs Elysees : some tensions, gendarmes blocking. Advanced water cannon but not used. #ActesXVIII #Acte18 #Yellowvests #Macron #France
#Paris #Acte18 of the #Giletsjaunes - following the end of the Grand débat, a call to converge on the capital.
#Yellowvests #ActesXVIII
pscp.tv/w/b1ywhTFXZ0tn…
Read 94 tweets
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Compact News 🌐
@NewsCompact
🚨 #France ℹ #Dunkerque: Nocturnal demonstration of the #YellowVests in the city, on the eve of #ActeXVI, #Acte16

#GiletsJaunes #GJ #Resistance #MacronDemission #Macron
🚨 #France ℹ #Dunkerque 💥 #Macron's #regime forces used tear gas during the manifestation of the #GiletsJaunes nocturnal opening for #ActeXVI in the harbour city

➡ local press reported ☑
🔗 lepharedunkerquois.fr/12650/article/…

#YellowVests #Acte16 #GJ #MacronDemission #Macron
🚨 #France ℹ #Metz: members of the #GiletsJaunes held a nocturnal demonstration against injustice as another opening manifestation for #ActeXVI, #Acte16, #2March against the #Macron #regime

#YellowVests #GJ #Resistance #MacronDemission #Ultimatum

Read 35 tweets
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Dan Poraz
@PorazDan
I’m an avid history geek 🤓 and I got this idea from @GippersChutzpah!
My follower count is currently stuck in the mid ages. I’ll tweet some Jewish history milestones from along the years, according to my follower count. So come on, I’m 4 followers short of the first story...
On 13/12/1204, Moshe Ben Maimon AKA #Maimonides (Greek) and Ha’Rambam (Hebrew), died at 69 in Egypt.
A Philosopher, Physician, Astronomer and one of most important #Jewish Scholars of all times.
Buried in Tiberias @Israel, upon final request to be buried in the ancient homeland
WOW! 3 followers away from yet another milestone of #JewishHistory!
So far we learned about some pogroms 😠(1171 France, 1190 England) and Maïmōnídēs dying 😢(1204 Egypt).
JewishHistory is filled with sorrow and darkness but it gets better in the 2nd half of the 20th century 😉
Read 325 tweets
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Matthieu
@mr_matth
Bon, je crois que le temps est venu de faire un thread sur la réduction de la place de la voiture à #Paris.
Parce que bon, j’en entends quand même beaucoup des erreurs et des bêtises sur le sujet.
La remarque la plus courante : « Anne Hidalgo avance de façon dogmatique, sans la moindre concertation. »
Read 63 tweets

Trending hashtags

#police #Europe #Dnipro #Paris #Giletsjauns #LIVE #Nantes #Granada #Metz #Israeli #GiletsJaunes #Dutch #Climat #Christianity #Yellowvests #Regime #République #Toledo #histoire #France #ActesXXIII #Bednarz #praxis #PLO #Hezbollah
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