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Joana Portugal-Pereira

@joannaportugal.bsky.social
822 followers 64 following 40 posts

Prof. Energy, Climate & Policy @CoppeUFRJ @ULisboa I IPCC AR6, UNEP GEO7 lead author | Member of the Brazilian Academy of Science I #FoodSystems, #Bioenergy, #EnergyTransition #ClimateJustice

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Reposted by Joana Portugal-Pereira
Food and Agriculture Organization of the United Nations @fao.org · 18/09/2025
Addressing G20 Agriculture Working Group in South Africa, @FAO.org Director-General QU Dongyu stressed that the world’s largest economies are uniquely positioned to drive the transformation towards more efficient, inclusive, resilient & sustainable agrifood systems. buff.ly/cZZyGnl #G20SouthAfrica
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FAO outlines four key areas for G20 leadership in transforming agrifood systems
Director-General QU Dongyu addresses G20 Agriculture Working Group Ministerial Meeting in South Africa
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Joana Portugal-Pereira @joannaportugal.bsky.social · 30/07/2025
www.publico.pt/2025/07/30/a...
publico.pt
O aquecimento global está a agravar os grandes incêndios florestais?
Portugal, Europa, o Canadá, EUA, Amazónia, Austrália - há muitos pontos no globo que cada vez mais associamos a grandes campos de chamas a alastrar. Sim, as alterações climáticas têm culpa.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 21/07/2025
www.publico.pt/2025/07/21/a...
publico.pt
Preços de alimentos chegaram a aumentar 300% por causa de fenómenos climáticos extremos
Estudo associa 16 casos de aumento dos preços dos produtos alimentares em 18 países, entre 2022 e 2024, a fenómenos climáticos extremos. O clima transformou alimentos essenciais em artigos de luxo.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 04/07/2025
Heatwaves are forcing nuclear plants in France and Switzerland to shut down due to cooling water limits. As I explored in past research, climate risks challenge nuclear’s reliability. Are our energy systems ready for a hotter, water-stressed world? doi.org/10.1016/j.es...
doi.org
Redirecting
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Reposted by Joana Portugal-Pereira
Azul @publicoazul.bsky.social · 02/07/2025
Três pontos percentuais, num universo de 90%, estão a lançar a polémica sobre a nova proposta de redução de emissões da UE até 2040. O que são os créditos de carbono que serão introduzidos em 2036? Por @alineflor.bsky.social
publico.pt
O que são créditos de carbono? Porque quer a UE incluí-los na meta para 2040?
Três pontos percentuais, num universo de 90%, estão a lançar a polémica sobre a nova proposta de redução de emissões da UE até 2040. O que são os créditos de carbono que serão introduzidos em 2036?
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Joana Portugal-Pereira @joannaportugal.bsky.social · 02/07/2025
UE propõe incorporar créditos de carbono transfronteiriços como parte da estratégia para alcançar a ambiciosa meta de redução de 90% das emissões de GEE até 2040. Esta abordagem pode colocar em risco a concretização de metas nacionais de terceiros e levanta preocupações de injustiça climática.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 02/07/2025
🌱New paper: authors.elsevier.com/a/1lMg25Ce0r... 🌍Up to 152.5 Mha of Global South land may be needed by 2050 to support the EU Green Deal ⚠️ Risks: deforestation, biodiversity loss, displacement. ⚖️ Trade-offs with local climate goals 🤝 Call for justice-centred policies to avoid green neo-colonialism
authors.elsevier.com
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Joana Portugal-Pereira @joannaportugal.bsky.social · 02/07/2025
Aviation emits >2.5% of energy-related CO₂, remains largely untaxed and underregulated. A new #UN coalition proposes solidarity levies on premium air travel and private jets to fund climate action. High-income&frequent flyers must contribute fairly to global resilience: shorturl.at/GtM3T
shorturl.at
Coalition set sights on taxing luxury air travel to fund climate action
A group of eight countries is pledging to taxing premium air flying in a bid to find new money for climate action and resilience building
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Joana Portugal-Pereira @joannaportugal.bsky.social · 04/06/2025
www.publico.pt/2025/06/03/a...
publico.pt
Petrolíferas acusadas de matar mulher devido a onda de calor nos Estados Unidos
Juliana Leon morreu em Seattle, em 2021, durante uma onda de calor que afectou o Noroeste do Pacífico e o Oeste do Canadá. Agora, a filha processou sete petrolíferas pela morte da mãe.
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Reposted by Joana Portugal-Pereira
European Scientific Advisory Board on Climate Change @esabcc.bsky.social · 01/06/2025
Open call: Join the @esabcc.bsky.social for its second term, covering the period 2026 to 2030. Help shape Europe’s climate neutrality with independent, science-based advice to policymakers. Apply by 15 Sept. More details here: climate-advisory-board.europa.eu/news/open-ca...
climate-advisory-board.europa.eu
Open call for members of the EU’s climate Advisory Board (2026–2030 term)
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Joana Portugal-Pereira @joannaportugal.bsky.social · 26/05/2025
www.publico.pt/2025/05/25/a...
publico.pt
Chocolate, baunilha. Há sabores de gelado ameaçados pelas alterações climáticas
Os gelados são uma solução refrescante para o aumento da temperatura, mas podem estar em risco. Baunilha, cacau, amêndoas ou até o café. O que é que está a acontecer com estes cultivos?
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Joana Portugal-Pereira @joannaportugal.bsky.social · 22/05/2025
www.publico.pt/2025/05/21/a...
publico.pt
Fenómenos extremos custam aos agricultores 28 mil milhões de euros por ano na Europa
A maior parte das perdas dos agricultores europeus, que equivalem a 6% da produção agrícola e pecuária anual da UE, não está coberta por seguros. Actualmente, a seca causa mais de metade das perdas.
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Reposted by Joana Portugal-Pereira
Valérie Masson-Delmotte @valmasdel.bsky.social · 12/05/2025
thebulletin.org/2025/05/how-...
thebulletin.org
How the dismantling of NOAA threatens the Keeling Curve
How the Trump administration's dismantling of the National Oceanic and Atmospheric Administration threatens the Keeling Curve, an iconic measure used in climate change research. As explained by the so...
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Reposted by Joana Portugal-Pereira
Azul @publicoazul.bsky.social · 15/05/2025
“Simplificação” é, na realidade, um enfraquecimento das proteções ambientais e climáticas associadas à agricultura na União Europeia, dizem organizações não governamentais.
publico.pt
Comissão propõe redução de (ainda mais) regras ecológicas nos subsídios da PAC
“Simplificação” é, na realidade, um enfraquecimento das proteções ambientais e climáticas associadas à agricultura na União Europeia, dizem organizações não governamentais.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 14/05/2025
Lisbon ranks 35th out of 36 European cities in child-friendly urban mobility: only 10% of streets have 30 km/h limits and just 7% have dedicated cycle lanes. Lower speeds and better cycling infra are proven measures for safer, low-carbon urban mobility: shorturl.at/d0VEL @cleancitiescampaign.org 🚲🚴
shorturl.at
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Reposted by Joana Portugal-Pereira
Adam Bell @adambell.bsky.social · 29/04/2025
I have been very disappointed, although not really surprised, to see commentators attempt to blame renewables for yesterday's blackout in Spain and Portugal. Let me explain what they've said and why it is wrong. /1
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Joana Portugal-Pereira @joannaportugal.bsky.social · 29/04/2025
A major blackout hit Iberia yesterday—highlighting the need to strengthen resilience of our low-carbon energy systems. Empowering energy communities and reinforcing decentralised, renewable-based infrastructure are key to building a secure, climate-safe future. #EnergyTransition shorturl.at/k326S
shorturl.at
Massive power outage in Spain and Portugal leaves thousands stranded and millions without light
A blackout has brought much of Spain and Portugal to a standstill, affecting millions of people. The Spanish power distributor calls it “exceptional and extraordinary."
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Joana Portugal-Pereira @joannaportugal.bsky.social · 23/04/2025
Global warming isn't just about rising temperatures—it's about growing instability. Rapid temperature flips are becoming more frequent, intense and fast. These shifts challenge people & food security & ecosystems, demanding urgent reduction of GHGs and adaptation: doi.org/10.1038/s414...
doi.org
Rapid flips between warm and cold extremes in a warming world - Nature Communications
Rapid temperature flips between hot and cold extremes will become more frequent, more intense, and more rapid globally by the end of the twenty-first century, which is exacerbated in world’s breadbask...
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Reposted by Joana Portugal-Pereira
IPCC @ipcc.bsky.social · 22/04/2025
22 April is #EarthDay! This year's theme: "Our Power, Our Planet" reminds us that the choices we make today will determine our future climate. Transitioning to low-emission energy systems will have multiple co-benefits, including improvements in air quality & health. ➡️ bit.ly/SRYRpt23
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Joana Portugal-Pereira @joannaportugal.bsky.social · 22/04/2025
Reatores nucleares são projetados para linha de base devido à sua inércia térmica e estabilidade. Com maior penetração de renováveis, podem limitar a flexibilidade da rede e restringir solar e eólica: www.publico.pt/2025/04/21/e...
publico.pt
Produção renovável em alta impõe paragem de dois reactores na central nuclear de Almaraz
Condições climatéricas levaram a reforço do peso da energia eólica no país vizinho. Rede Eléctrica de Espanha alerta para aumento “da possibilidade de um apagão” com suspensão de Almaraz.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 22/04/2025
Cattle = ~15% of global GHG & a top driver of deforestation in Brazil. JBS may break its zero-deforestation pledge—again. Traceability is key, but implementation gaps remain. Pledges mean little without accountability: www.theguardian.com/environment/... #Deforestation #Amazon
theguardian.com
Revealed: world’s largest meat company may break Amazon deforestation pledges again
Brazilian ranchers in Pará and Rondônia say JBS can not achieve stated goal of deforestation-free cattle
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Reposted by Joana Portugal-Pereira
American Meteorological Society @ametsoc.org · 17/04/2025
The 2026 budget passback plan calls for eliminating NOAA Research, the scientific backbone that keeps weather forecasts, alerts, and warnings accurate and effective. This would have disastrous consequences. Read the AMS statement, in partnership w/ @nwas.org: bit.ly/4cz2RtC
bit.ly
Stand Up for NOAA Research – The Time to Act is Now
The AMS is a global community committed to advancing weather, water, and climate science and service.
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Reposted by Joana Portugal-Pereira
Sharon Lerner @fastlerner.bsky.social · 16/04/2025
So the US was supposed to report its greenhouse gas emissions to the UNFCCC yesterday. For the first time since 1997, it didn't. This follows last week's revelation that Trump's EPA is stopping collection of GHG emission from 40 of 41 sectors www.propublica.org/article/trum...
propublica.org
Trump’s EPA Plans to Stop Collecting Greenhouse Gas Emissions Data From Most Polluters
Climate experts expressed shock and dismay at the move. “It would be a bit like unplugging the equipment that monitors the vital signs of a patient that is critically ill,” one said.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 16/04/2025
Latest @wmo-global.bsky.social @copernicusecmwf.bsky.social European State of the Climate 2024 is alarming: 🌡️Warmest year on record (again) 🌍Europe=fastest-warming continent 🌊Record sea temps 🌧️Deadly floods: 335 lives lost,€18.2bn damage 🔥Wildfires affected>42k people Read here: shorturl.at/A4qkG
library.wmo.int
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Reposted by Joana Portugal-Pereira
Andy Reisinger @andyreisinger.bsky.social · 14/04/2025
Overshoot: A Conceptual Review of Exceeding and Returning to Global Warming of 1.5°C. Once we exceed 1.5°C, is it all lost? Can we get back to it from above? What risks would that avoid, and which ones not? Great collaboration with a range of IPCC authors! www.annualreviews.org/content/jour...
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Joana Portugal-Pereira @joannaportugal.bsky.social · 06/04/2025
Atacar as universidades é atacar a ciência e o espírito crítico que sustentam nossa sociedade. Sem elas, não há desenvolvimento real. Precisamos valorizar o conhecimento e a liberdade de pensamento!
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Reposted by Joana Portugal-Pereira
Carbon Brief @carbonbrief.org · 04/04/2025
Daily Briefing | EU delays 2040 climate target release until ‘before summer’ ➡️ Read today's full briefing here: buff.ly/fEDL62z ➡️ Sign up to our email briefings: buff.ly/noKEVDm
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Reposted by Joana Portugal-Pereira
Viktoria Cologna @colognaviktoria.bsky.social · 20/01/2025
Our global study on the state of trust in scientists is now out in Nature Human Behaviour! 🥳 With a team of 241 researchers, we surveyed 71,922 people in 68 countries, providing the largest dataset on trust in scientists post-pandemic 👇🧵https://www.nature.com/articles/s41562-024-02090-5
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Reposted by Joana Portugal-Pereira
Valérie Masson-Delmotte @valmasdel.bsky.social · 21/03/2025
AGU and the US Academic Alliance for the #IPCC encourages experts in climate research and practice who are US citizens or based at US institutions, and are interested in being nominated, to submit applications for the #AR7 to USAA-IPCC news.agu.org/press-releas...
news.agu.org
New US Academic Alliance for the IPCC opens critical nomination access
The American Geophysical Union hosts a new network of observer organizations for the Intergovernmental Panel on Climate Change to facilitate nominations of U.S.-based experts for the Seventh Assessmen...
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Reposted by Joana Portugal-Pereira
Naomi Klein @naomiaklein.bsky.social · 19/03/2025
Fossil fuel companies should be forced to pay the public trillions in damages for the costs of their planetary arson. Instead they are trying to shut down one of the most important and storied environmental groups in the world. It's shameless - and it's not over. www.theguardian.com/us-news/2025...
theguardian.com
Greenpeace must pay hundreds of millions over Dakota pipeline protests, says jury
Non-profit said in statement lawsuits like this aimed at ‘destroying the right to peaceful protest’
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Joana Portugal-Pereira @joannaportugal.bsky.social · 19/03/2025
"O Acordo de Paris acaba quando o termómetro global subir 1,5 graus?" A ciência é clara: para combater as alterações climáticas, precisamos de mais conhecimento científico e ações imediatas para reduzir emissões GEE. 🌍🔗 www.publico.pt/2025/03/19/a...
publico.pt
O Acordo de Paris acaba quando o termómetro global subir 1,5 graus?
O Acordo de Paris gravita à volta da importância de limitar o aquecimento da Terra a 1,5 graus Celsius (idealmente). O que acontece se excedermos este marco? O documento fica sem efeito?
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Reposted by Joana Portugal-Pereira
Público @publico.pt · 19/03/2025
Os últimos dez anos foram os mais quentes desde que há registos. O mais recente relatório da Organização Mundial de Meteorologia analisou oito indicadores-chave de 2024 e assinala o ano excepcional.
publico.pt
2024 pode deixar marcas irreversíveis por milhares de anos: eis oito avisos
Os últimos dez anos foram os mais quentes desde que há registos. O mais recente relatório da Organização Mundial de Meteorologia analisou oito indicadores-chave de 2024 e assinala o ano excepcional.
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Reposted by Joana Portugal-Pereira
World Meteorological Organization @wmo-global.bsky.social · 19/03/2025
🔴The #StateOfClimate report, released today, reveals key climate change indicators again reached record levels in 2024. Check out the full report: wmo.int/publication-...
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Joana Portugal-Pereira @joannaportugal.bsky.social · 16/03/2025
🎙️ Participei no podcast "Escala pelo Clima" da #Antena1. Refletimos sobre a última década do Acordo de Paris, o papel da ONU e os avanços no combate às alterações climáticas. Hora de projetar o futuro! 🌍 #EscalaPeloClima #COP30 #Clima Ouça aqui: www.rtp.pt/play/p6888/e...
rtp.pt
A Escala do Clima
A COP30 e os 10 anos do Acordo de Paris - A COP30, conferência da ONU sobre o clima vai neste ano realizar-se em Belém do Pará, no Brasil – e é
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Joana Portugal-Pereira @joannaportugal.bsky.social · 14/03/2025
E vocês, o que é que fazem para se manterem sãos? www.publico.pt/2025/03/13/n...
publico.pt
Mantendo a sanidade "entre um apocalipse e outro"
Clima. Biodiversidade. Sustentabilidade. Uma newsletter sobre o nosso planeta.
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Reposted by Joana Portugal-Pereira
Earth Negotiations Bulletin @enb.iisd.org · 12/03/2025
Upcoming 📣 The only permanent intergovernmental body focused on conserving all types of biological diversity for #food will meet to review guidance from experts on the CGRFA’s role in meeting global biodiversity commitments #biodiversity #fornature #CGRFA
enb.iisd.org
20th Session of the UN FAO Commission on Genetic Resources for Food and Agriculture
The only permanent intergovernmental body focused on conserving all types of biological diversity for food will meet to review guidance from experts on the CGRFA’s role in meeting global biodiversity ...
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Joana Portugal-Pereira @joannaportugal.bsky.social · 12/03/2025
A ciência dá-nos respostas claras e robustas 👉https://www.publico.pt/2025/03/12/azul/noticia/paineis-solares-sao-prejudiciais-saude-radiacoes-nao-afectam-2124850
publico.pt
Os painéis solares são prejudiciais à saúde? As radiações não nos afectam?
Os painéis solares não produzem emissões nocivas, não geram poluição sonora e não representam riscos significativos para a saúde quando correctamente instalados e mantidos. E, não, não causam cancro.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 11/03/2025
Alterações climaticas estão aqui e agora. A solução não é deixar de monitorizar o aumento da temperatura. #ClimateAction www.publico.pt/2025/03/11/a...
publico.pt
Sentiu que Fevereiro foi mais quente? É por isso que Portugal está laranja no mapa
Imagem de satélite divulgada esta terça-feira mostra temperaturas em Fevereiro na Europa, com Portugal na “zona laranja”. Fevereiro de 2025 foi o terceiro mais quente de que há registo a nível global.
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Reposted by Joana Portugal-Pereira
IIASA @iiasa.ac.at · 11/03/2025
📢 Applications are still open until 13 March 👇
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Reposted by Joana Portugal-Pereira
Food and Agriculture Organization of the United Nations @fao.org · 11/03/2025
In agrifood systems, not everyone's experience is equal. #WomensDay #IWD2025 www.fao.org/interactive/...
fao.org
The status of women in agrifood systems
Check out the interactive story and join in on the conversation.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 11/03/2025
がんばろう東北! 14 years after the disaster. In Tohoku coastal villages, all clocks were flooded by the first big tsunami wave at 3.24pm of the 11th of March of 2011. #Tohoku #Japan (photo taken 13 months of the disaster in Ishinomaki prefecture high-school)
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Joana Portugal-Pereira @joannaportugal.bsky.social · 10/03/2025
www.publico.pt/2025/03/09/a...
publico.pt
Cinco caminhos para ter conversas mais construtivas sobre o clima
O catastrofismo não põe os cidadãos a lutar contra as alterações climáticas, diz investigadora, que defende que o tema deve estar à mesa das pessoas, mas de uma forma que as aproxime e as empodere.
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Reposted by Joana Portugal-Pereira
Katharine Hayhoe @katharinehayhoe.com · 10/03/2025
Heads up! The @ipcc.bsky.social is calling for nominations for Lead Authors and Review Editors for its 7th Assessment Report. More about how to become an author or review editor here 👉 bit.ly/4krWMTu More on the nomination process here 👉 bit.ly/AR7Nm Submissions close Apr 17, 2025.
A photo of IPCC working group leads and a statement that "Following the panel's agreement on the outlines of the three Working Group contributions to the Seventh Assessment Report, the IPCC is calling for nominations of experts to assess the body of scientific literature relating to climate change."
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Joana Portugal-Pereira @joannaportugal.bsky.social · 07/03/2025
É uma estratégia totalitarista que visa minar o pensamento crítico e controlar a narrativa. Precisamos defender a ciência e fatos contra a desinformação. #Ciência publico.pt/s/i6YCAA
publico.pt
“Está na altura de defender a ciência.” Investigadores dos EUA manifestam-se
No seu segundo mandato enquanto Presidente dos EUA, Trump tem levado a cabo o que os investigadores consideram ser um “ataque à ciência”, através de despedimentos, cortes financeiros e até censura.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 06/03/2025
To tackle climate change, we need robust science, multilateral cooperation, and strong institutions. Only through evidence-based action and global collaboration can we build a resilient and sustainable future. #ClimateAction shorturl.at/ih0VG
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IPCC report timeline still undecided after ‘most difficult’ meeting in China - Carbon Brief
IPCC meeting in Hangzhou, China, marked the third time that governments have failed to agree on a timeline for the organisation’s AR7.
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Joana Portugal-Pereira @joannaportugal.bsky.social · 04/03/2025
Science and policy must go hand in hand! Delays in @IPCC_CH reports risk slowing urgent climate action. Policymakers need robust science to make informed decisions. Multilateralism is key—global challenges need global solutions. #ClimateAction #AR7 shorturl.at/sSpIi
shorturl.at
Countries fail again to decide on timing of key IPCC climate reports
Countries have delayed for the third time a decision on the timing of the influential IPCC climate science reports
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Carbon Brief @carbonbrief.org · 04/03/2025
Daily Briefing | Countries fail again to decide on timing of key IPCC climate reports ➡️ Read today's full briefing here: buff.ly/omLxaMG ➡️ Sign up to our email briefings: buff.ly/3X60aJw
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Valérie Masson-Delmotte @valmasdel.bsky.social · 03/03/2025
www.axios.com/2025/02/27/c...
axios.com
Climate change endangerment finding would be tough to undo, experts say
The Trump administration reportedly is aiming to undercut a landmark scientific judgement from 2009.
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International Energy Agency @iea.org · 03/03/2025
The door of the new energy economy is open to emerging markets Southeast Asia could become one of the cheapest places to make solar panel components, Latin America could scale up wind turbine manufacturing & North Africa could become an EV production hub: iea.li/4hUQ2fa
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Joana Portugal-Pereira @joannaportugal.bsky.social · 03/03/2025
Trump's climate rollback is a disaster. Withdrawing from PA, slashing EPA staff, isolating US scientists from international community and pushing fossil fuels over clean energy puts the planet at risk. The world moves forward—he drags the US backward #ClimateActionNow www.nytimes.com/2025/03/02/c...
nytimes.com
How Trump Has Undermined U.S. Climate Policy
President Trump has quickly transformed America’s approach to the environment, withholding funds and stretching the limits of presidential power.
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