My commentary on the US withdrawal from the IPCC
and the Framework Convention on Climate Change
The withdrawal of the United States from the IPCC (Intergovernmental Panel on Climate
Change) (and the Climate Convention) is deeply regrettable. It is... (see below) #IPCC #Climate #UNFCCC
08.01.2026 12:14
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The Trump attack on US National Center for Atmospheric Research @ncar-ucar.bsky.social is an attack on human intelligence. If Trump persists it will soon discover that weather and climate share exactly the same physical laws. Shutting off NCAR would hurt the US economy and security #AttackOnScience
20.12.2025 09:06
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@ncar-ucar.bsky.social
20.12.2025 08:39
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« The National Oceanic and Atmospheric Administration (NOAA) plays a vital role in the United States' ability to anticipate and respond to short- and long-term threats to security, health, and resilience. » This vital role is under threat. Please read👇
21.06.2025 01:49
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La science du climat à l’épreuve | OHdio | Radio-Canada
Écoutez l’extrait de l’émission Tout terrain : La science du climat à l’épreuve
Les États-Unis font la guerre à la science du climat.
« C’est une tentative de mise en cause de la solidité scientifique du lien entre ce réchauffement et les émissions de gaz à effet de serre », dit @jpvanypersele.bsky.social ancien vice-président du GIEC
ici.radio-canada.ca/ohdio/premie...
10.08.2025 16:39
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Opportunités de carrière : Postdoctoral position in postgrowth climate mitigation modelling focused on food, biomass, land-use (22432)
🥳🚨🤩 Job opportunity with me at Uni Lausanne working on the REAL project!
2 year Postdoctoral position in postgrowth climate mitigation modelling focused on food, biomass, land-use
Link here for details and application. Deadline 15 Sept!
tinyurl.com/33rfw3xz
15.08.2025 08:53
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The famines in Gaza and other conflict areas are a moral failure
As scientists and members of the Standing Together for Nutrition Consortium (ST4N)
who have been Standing Together For Nutrition during recent crises, we use evidence
of the impact of crises on nutrit...
We members of the Standing Together for Nutrition Consortium raise our voices against the intentional deprivation of food and aid in Gaza, and in other countries, including Sudan, South Sudan, and Yemen. The Lancet commentary: shorturl.at/oGYqA. ST4N call to action: shorturl.at/Jssyb
30.07.2025 23:03
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Offre d’emploi dans mon équipe de la Plate-forme wallonne pour le #GIEC. Date limite: 21 juillet minuit.
03.07.2025 10:12
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Today! #ShowYourStripes
21.06.2025 02:59
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« The National Oceanic and Atmospheric Administration (NOAA) plays a vital role in the United States' ability to anticipate and respond to short- and long-term threats to security, health, and resilience. » This vital role is under threat. Please read👇
21.06.2025 01:49
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Europe : La canicule n'attend même plus l'été
YouTube video by TV5MONDE Info
J’étais invité ce soir dans le grand JT de 18h de @TV5MONDE. On y a parlé canicule, objectif de 1.5°C et ce que l’on peut faire (citoyens, gouvernements, acteurs économiques) pour limiter les dégâts. Rediffusion:
m.youtube.com/watch?v=YIuP...
#UrgenceClimatique
20.06.2025 21:51
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Shocking! Evicting this very important climate lab from its New York office is the latest act of war against science by the Trump administration. Ultimately, no economy can flourish while neglecting science. This is barbarian. Full solidarity with all GISS personnel! #WarAgainstScience
01.06.2025 07:13
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This should be in top media headlines everywhere. Humanity clearly moves in the wrong direction: adding more and more thermal insulation around the planet, which is already too warm! It is urgent to decarbonise our economies and ways of life. #ClimateEmergency
10.06.2025 04:31
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This should be in top media headlines everywhere. Humanity clearly moves in the wrong direction: adding more and more thermal insulation around the planet, which is already too warm! It is urgent to decarbonise our economies and ways of life. #ClimateEmergency
10.06.2025 04:31
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Graph showing daily, weekly and monthly values for the past 13 months. Concentration now near its seasonal high.
Based on daily values, the May average of atmospheric CO₂ at Mauna Loa was ~430.5 ppm; that's 3.6 ppm higher than last year, a big jump again!
#co2 #climatechange #globalwarming
01.06.2025 15:05
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La guerre de Trump contre les sciences du climat. Article à relire alors que le GISS, l’un des principaux centres de recherche mondiaux sur le climat, vient d’être expulsé de ses bureaux 👇#WarAgainstScience
01.06.2025 07:41
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Governments of rich countries need to understand that investing money in climate action today will cost much less over time than waiting for the bill that Nature will send us if we continue to mistreat her.
COP30 in Bélem will need to deliver much more.
24.11.2024 12:20
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As of today, Elon Musk is thought to be responsible for the death of 300,000 adults and kids due to the illegal closure of USAID (source: www.impactcounter.com/dashboard?vi...)
That's a 103 deaths per hour, each day. And it will get worse.
His legacy is one of death, destruction, and failure.
30.05.2025 01:57
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Shocking! Evicting this very important climate lab from its New York office is the latest act of war against science by the Trump administration. Ultimately, no economy can flourish while neglecting science. This is barbarian. Full solidarity with all GISS personnel! #WarAgainstScience
01.06.2025 07:13
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Swiss village almost entirely destroyed after collapse of glacier buries it in mud
One person missing and Blatten devastated after huge cloud of ice and rubble inundates evacuated town
Thankfully, the village was evacuated already, but one person is missing and everyone else’s homes are destroyed.
Make no mistake: this is a climate disaster.
29.05.2025 01:23
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Graph of CO2 concentrations for the past 800,000 years from the Antarctic ice cores, showing current CO2 levels of 430 ppm are far, far higher than any level over this period, which never exceeded 300 ppm. Also shown is the emergence of Homo sapiens around 200,000 years ago -- so CO2 levels are higher than we've ever experienced.
You are here.
We've breached 430 ppm CO2.
#climatechange
22.04.2025 23:09
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"Griezelige tijden": meteoroloog Tom moest vertrekken bij 'KMI van VS' en waarschuwt voor wereldwijde gevolgen van ontslaggolf
Collega Marie Wagemans en ik spraken met @tdiliberto.bsky.social, een van de meer dan 1000 ontslagen personeelsleden van de Amerikaanse atmosfeerdienst NOAA. Hun werk is onmisbaar voor de wereldwijde klimaatwetenschap. @jpvanypersele.bsky.social
www.vrt.be/vrtnws/nl/20...
05.04.2025 07:22
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C'est dur parce que ça tape proche. Mon Alma mater messieurs dames :
08.12.2024 05:43
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Aux négociateurs de l'Arizona : Investir dans la Coopération Au Développement, c'est préparer un monde plus juste, solidaire et durable ! @jpvanypersele.bsky.social
31.01.2025 09:49
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