Contrariamente a quanto sostengono i negazionisti climatici, negli ultimi 25 anni i rapporti dell’IPCC hanno aumentato la preoccupazione per i rischi climatici che potremo avere in futuro, non https://www.climalteranti.it/2026/06/03/il-futuro-degli-impatti-climatici-non-e-ancora-cambiato-purtroppo/

RCP8.5 è uno scenario estremo usato come stress test nei modelli climatici, ma nella comunicazione è stato spesso scambiato per una previsione del futuro che ci https://www.climalteranti.it/2026/05/21/come-un-telefono-senza-fili-puo-distorcere-il-dibattito-climatico-la-storia-dello-scenario-rcp-8-5/

🌍 Sul clima e sull’energia il problema non è la mancanza di informazioni. È la mancanza di una percezione aggiornata della realtà. 📰 Ne abbiamo scritto su la Repubblica con Matteo Motterlini www.repubblica.it/commenti/202... #Clima #energia

Il sovranismo energetico fa bene al clima ? E poi: ⚡Più energia vuol dire più emissioni? 🌍 Come siamo messi sul clima? •⁠ ⁠🇪🇺 Il Green Deal è una svolta o un boomerang? Di queste e altre domande ho discusso con Francesco Costa, nel suo podcast Wilson. www.ilpost.it/podcasts/wil... #clima

Honored to have shared the podium yesterday at the Min. of Environment, Rome, with IPCC Chair Jim Skea. Jim presented IPCC’s ongoing work assessing climate science, while I outlined emerging methodologies for reporting Carbon Dioxide Removal activities in national inventories. @ipcc.bsky.social

Honored to have shared the podium yesterday at Min. of Environment, Rome, with IPCC chair Jim Skea. Jim presented the IPCC’s ongoing work assessing climate science, while I outlined emerging methodologies for reporting Carbon Dioxide Removal activities in national inventories @ipcc.bsky.social

@giacgrassi.bsky.social is a Senior Scientific Officer at the European Commission’s Joint Research Centre (JRC). A leading expert on forests and climate, he specializes in LULUCF and greenhouse gas inventories. He is a prominent IPCC author and recipient of the 2020 Bologna Award for Sustainability.

Come comunicare il clima e la transizione energetica? Ne abbiamo parlato con Daniele Scaglione nel suo Podcast "Non so Come Dirtelo" YouTube m.youtube.com/watch?si=0Sj... Spotify open.spotify.com/episode/5HTb... Apple Podcast lnkd.in/dBjhFjsJ #IPCC #cambiamentoclimatico

📣 Postdoc Position: Land Carbon Fluxes & GHG Inventories job-portal.lmu.de/jobposting/b... 🌍 Hosted by the Ludwig-Maximilians-Universität München, includes a up to 2 years at the Joint Research Centre (Italy), ➡️ Unique opportunity to work at the science–policy interface. #ClimateScience

🌳 Puzzled by land-use emissions data? ➡️ The LULUCF Data Hub description paper now in discussion: essd.copernicus.org/preprints/es... 🌍 The Hub is an open-access platform that compiles, harmonizes, and visualizes country-level CO₂ fluxes from land use, land-use change and forestry (LULUCF). 1/

Chi è Lysenko, e cosa c’entra con Trump, l’IPCC e la democrazia? Ne abbiamo scritto nel Il Sole 24 Ore con il filosofo della scienza Matteo Motterlini. Uscire dall'IPCC non significa sottrarsi al riscaldamento globale, così come gettare il termometro non fa sparire la febbre.

www.climalteranti.it/2026/01/05/p... @giacgrassi.bsky.social

All’inizio del nuovo anno, può essere utile chiedersi a che punto siamo nella crisi climatica. È una sfida che ci chiede di scegliere insieme la rotta giusta, prima che la fisica decida per noi. Ne abbiamo scritto ne Il Post con il filosofo Matteo Motterlini www.ilpost.it/2026/01/03/g...

Proud to be European ❤️❤️

With a mixed-results at COP30 - i.e. good intentions but no concrete plans for the “transition away from fossil fuels” - don’t give up. Let’s remember the progress made since the Paris Agreement and the options ahead of us. That’s the message of the image below

📣 PRESS RELEASE #IPCC is calling for the nominations of authors for the Methodology Report on Carbon Dioxide Removal Technologies, Carbon Capture Utilization and Storage Read the PR 👉 www.ipcc.ch/2025/11/19/c... Submissions close 12 December 2025 🧵 1/3

#IPCC agrees on the scientific content of the remaining methodology report in the seventh assessment cycle and 2026 workplan for the three key climate reports in Lima, 🇵🇪 Peru. 🔗 www.ipcc.ch/2025/10/31/p... 📸 ENB - IISD - Anastasia Rodopoulou

Che la causa del cambiamento climatico siamo noi è in realtà una buona notizia. Spiego il perché nella parte finale (min 17:30) di questa bella puntata di Presa Diretta. www.raiplay.it/video/2025/1...

#USpolitics #AGWdeniers @giacgrassi.bsky.social‬ e @caserinik.bsky.social fanno a polpette il rapporto dei 5 negaioli per il DOE. Sono stati più veloci del solito, ma gli argomenti di quei "mercanti di dubbi... sono già stati più volte confutati anche su Climalteranti."

What is the contribution of land use to countries' climate pledges? 🖋️ A new paper led by Rosa Roman-Cuesta explores this question and offers a way forward. 🌲 The study finds that land use makes up a quarter of global 2030 mitigation pledges — mostly reliant on external support. rdcu.be/eydhU 1/

Why is the European forest carbon sink declining? How science can help reversing this trend? A perspective paper in Nature discusses these questions, highlighting the importance to better monitor forest resources and their resilience. www.nature.com/articles/s41...

📣 New Comment on Improving land-use emission estimates under the Paris Agreement in Nature Sustainability www.nature.com/articles/s41... Land carbon removals are key on the path to net-zero. Yet, confusion exists on what “anthropogenic” land-use C fluxes are. #LULUCF #IPCC #ParisAgreement 1/7

On 6–7 May 2025, a JRC-EEA workshop on Land Use Land-Use Change and Forestry (LULUCF) gathered in Ispra (IT) over 50 GHG inventory experts, scientists and policymakers. We discussed challenges in GHG reporting and the decline of forest carbon sinks in Europe. Agenda/presentations: lnkd.in/dkJNxSWE

🧐 Confused about different estimates of land-use CO2 emissions? 🌲A new paper led by David Gibbs enhances comparability between satellite-based forest carbon flux maps and National greenhouse gas inventories. ➡️ Paper: lnkd.in/dU5-bv4P ➡️ Story: bit.ly/43qX2Mv ➡️ Country-level data: bit.ly/3XvBSJf

This is outrageous. Stupidity at work. It’s a sign of ideological hostility to everything that involves a multilateral dialogue and cooperation. If you ignore climate change, climate change will not ignore you.

2024: l'anno più caldo di sempre a #Radio3Scienza. Dopo l'ottima spiegazione di Elisa Palazzi, discuto cosa significhi “net-zero”, e perché stimare gli assorbimenti di CO2 da parte delle foreste è particolarmente complicato. www.raiplaysound.it/audio/2025/0...

Honored to have contributed to the IPCC AR7 scoping meeting last week

Is land use a source or a sink of CO2 globally? Well, it depends who you ask. A dialogue has started to reconcile different estimates. Two recent analyses offer complementary views: -IPCC Expert Meeting www.ipcc-nggip.iges.or.jp/public/mtdoc... -Allen et al. 2024 www.nature.com/articles/s41...

nice 🧵 by Oliver Geden x.com/Oliver_Geden/s…

The first 'State of Carbon Dioxide Removal' is outIt was a pleasure to work with Will Lamb, Thomas Gasser, Matthew Gidden and other great scientists on Chapter 8: The CDR gap #carbonremoval #negativeemissions stateofcdr.org

Ieri ho partecipato su Radio Radicale a un dibattito con un professore che nega il contributo umano ai cambiamenti climatici. Quando nella scienza un uomo con un’opinione incontra un uomo con un fatto, l’uomo con l’opinione è un uomo morto. 1/ radioradicale.it/scheda/686869/…

Thanks for the feedback on the tweet on where we stand in the climate crisis Some saw excessive optimism. Don't forget: the figure is an analogy, for illustrative purposes. Others asked to reuse and edit. Here it is (slightly re-edited after comments drive.google.com/drive/folders/…

Communicating the climate crisis to non-experts is difficult. Here I tried to illustrate in a simple way where we stand and where we are heading.

It does not happen so often to sit in a panel with four Ministers (PNG, Honduras, Gabon, Belize) and the UNFCCC SBSTA chair, speaking about science, forest carbon and REDD+. But the best was a this rap up performance 😆Thanks to @CfRN_org for organizing linkedin.com/posts/bababrin…

Happy to have contributed to the Global Carbon Budget 2022 with 100+ other authors. Great Summaries here: -- carbonbrief.org/analysis-globa… x.com/peters_glen/st…

Puzzled by the huge (6 GtCO2/y) mismatch in global land-use CO2 flux between models and national inventories? Join/follow online this IPCC side event at COP27, Sat 12 Nov 2pm (Egypt) or 1pm (CET) Estimating GHG Emissions - Reconciling Different Approaches apps.ipcc.ch/outreach/progr…

A fine ottobre è stato presentato l’Emissions gap report dell’UNEP, Programma Ambientale delle Nazioni Unite. Quali sono i principali risultati? A che punto siamo in Europa e in Italia? Ecco una sintesi in italiano @Climalteranti @marinavitullo1 climalteranti.it/2022/11/09/una…

I love the cover of the UNEP emissions gap report. It tells everything about the current climate crisis, the short time we have, and the extent of the challenge. Happy to have worked on chapter 2 (Global emissions trends) with @lamb_wf and others unep.org/resources/emis…

A new paper presents the most complete, disaggregated and up-to-date collection of country data on land-use CO2 fluxes (LULUCF).Globally, LULUCF is a net sink (-1.6 GtCO2/yr), largely due to forests, partly compensated by emissions from deforestation. 1/ essd.copernicus.org/articles/14/46…

Scientific position at the Joint Research Centre: Understanding the impacts of EU policies on land systems and GHG estimates from Land Use, Land-Use Change and Forestry. Last days to apply 👇 Code: 2022-IPR-D1-FGIV-021370 Deadline: 18/09/2022 recruitment.jrc.ec.europa.eu/?site=IPR&type…

Intervento a Prima Pagina di oggi, Radio tre, per rispondere all'affermazione del giornalista che “la scienza non è certa sull’origine del cambiamento climatico” (minuto 59). C'e' tanto lavoro ancora da fare .... raiplaysound.it/audio/2022/08/…

JRC LULUCF workshop 2022 55 participants in presence and 70 online, sharing challenges, questions and best practices on reporting GHG emissions and removals in land use and forestry in Europe. Thanks @matteo_vizzarri and colleagues for great support

Historic moment: kickoff of technical part of the #GlobalStocktake Critical step to implement the #ParisAgreement Based on the best available science, the collective climate progress will be assessed, with the aim to trigger additional efforts towards a safer future

The aim of this position is to support the ongoing work at JRC (e.g. for increasing confidence on land use carbon fluxes at country level essd.copernicus.org/preprints/essd… nature.com/articles/s4155… nature.com/articles/s4155…

After two weeks of intense work, the landmark @IPCC_CH WGIII report has been approvedGreat work of hundreds of authors Proud of having contributed on land CO2 flux numbers, helping to understand & reconcile large differences among datasets ipcc.ch/report/sixth-a…

Want to know more on the role of the forest-based bioeconomy in mitigating climate change through carbon storage and material substitution? thanks @AvraamidesM @SanLopJavier @matteo_vizzarri audiovisual.ec.europa.eu/en/video/I-217…

While all agree that forests are important, which of their functions should be prioritized, and consequently how forests should be managed, is the subject of an intense and polarized debate 👉 sciencedirect.com/science/articl…

In my view, two winners emerged at COP26 One is multilateralism. The fact that worse climate scenarios are less likely today than they were in 2015 shows that the Paris’ mechanisms - aimed at progressively more ambitious commitments through inclusive dialogue - are working. 1/4

Climate attention is shifting from “let’s pledge” to “let’s implement”. Since country GHG inventories are the basis to assess climate progress, not a surprise they are increasingly scrutinised. Some interesting analysis here (but go beyond the title! washingtonpost.com/climate-enviro…