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Posts by David Leclere 🇵🇸 🇺🇦

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We have a pretty good understanding of the differences between GHG emission estimates, but when it comes to some sectors (e.g., land), estimates seem all over the place!

Why is this? @wflamb.bsky.social has you covered...
essd.copernicus.org/articles/18/...

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1 week ago 43 24 2 2
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Ecological and economic assessments of native vertebrate pest control in France 1.7 million foxes, mustelids and corvids are culled in France annually to reduce sanitary risks and economic losses to human activities and properties…

Ecological and economic assessments of native vertebrate pest control in France

"There is no evidence of any benefit from control effort."

@cesco-lab.bsky.social @recherche.mnhn.fr

www.sciencedirect.com/science/arti...

1 month ago 4 6 1 1
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Strengthening environmental ambition in the proposal for the CAP 2028–2034  - IEEP AISBL This briefing evaluates whether the Commission’s proposals for the Common Agricultural Policy (CAP) for the period 2028–2034 are fit to drive the scale of environmental and climate action Europe now needs. Despite some positive steps, the proposed framework could ultimately undermine environmental ambition if key weaknesses in funding, governance and performance monitoring remain unresolved.  

Are @ec.europa.eu proposals for #CAP for the period 2028–2034 fit to drive the scale of environmental and climate action Europe now needs?

Read our latest briefing to find out 👇

2 months ago 2 2 0 0

French government about to lead a request to demote UN rapporteur Francesca Albanese (whom they likely assess as not sufficiently comprising her duties, by not letting the government of Israel getting away with the genocide it commits), using fake news 🤮

2 months ago 0 0 0 0
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Who watches the worms? Motivation and (non-)participation in a contributory citizen science project - BMC Ecology and Evolution BMC Ecology and Evolution - Citizen science projects rely on public participation to generate data and promote engagement with science. However, little is known about the motivations of individuals...

My paper with @andypurvisnhm.bsky.social @dralanjones.bsky.social et al. on our Earthworm Watch 🪱 #citizenscience project @nhm-london.bsky.social & @earthwatcheurope.bsky.social is out! We examined motivations of those who did, and importantly, those who didn't, take part doi.org/10.1186/s128...

2 months ago 6 4 0 0
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Une approbation illimitée pour 49 pesticides dangereux dont le glyphosate et l’acétamipride ? Générations Futures demande des clarifications à la Commission Européenne - Générations Futures Une approbation illimitée pour 49 pesticides dangereux dont le glyphosate et l’acétamipride ? Générations Futures demande des clarifications à la

Omnibus 10: Une approbation illimitée pour 49 pesticides dangereux dont le glyphosate et l’acétamipride ? Générations Futures demande des clarifications à la Commission Européenne www.generations-futures.fr/actualites/o...

2 months ago 10 12 1 0
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Long-term agricultural diversification increases financial profitability, biodiversity, and ecosystem services: a second-order meta-analysis - Nature Communications Feeding a growing population while protecting the environment is a major global challenge. This study suggests that agricultural diversification enhances long-term profitability, biodiversity, soil he...

Do agricultural diversification practices pay off in the long run? Our new paper synthesizes 100+ years of evidence showing that diversification practices become more profitable over time and delivers growing benefits for soils, biodiversity, and carbon.
www.nature.com/articles/s41...

2 months ago 71 50 0 3
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Redirecting

The transition to alternatives to #meat & #dairy offers opportunities for farmers, e.g. the production of #legumes or the generation of revenue from payments for stewardship or provision of #ecosystem services. As the transition will be gradual… (1/2) doi.org/10.1016/j.la...

2 months ago 1 2 1 0
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The Ocean Equity Index - Nature The Ocean Equity Index provides a systematic, twelve-criteria framework to assess and improve equity in ocean initiatives, projects and policies, producing structured data that guide evidence-bas...

🌊 The global community has made ambitious commitments to advancing ocean equity – what is missing is a transparent & replicable way to measure equity and track progress 🐠

📢 Our new @nature.com paper, the #OceanEquityIndex, offers a simple yet robust solution: www.nature.com/articles/s41...

2 months ago 27 13 2 4
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How scientists can contribute to the social movements essential to protecting climate and nature - npj Climate Action Scientists have much to contribute to the growing social movements pushing for urgent and transformative change to address the climate and biodiversity crises. Depending on their skills, interests and...

There is much to be done, at all levels.

www.nature.com/articles/s44...

3 months ago 89 49 2 2
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👋 Agroecology-TRANSECT YouTube channel www.youtube.com/@agroecology... provides material to learn on the agronomic, social and political dimensions of #agroecology

Next webinar (Jan.22) is on #intercropping and sustainable #pest management

To register 👉 www.agroecology-transect.net/events/boost...

3 months ago 10 5 0 0
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Et si le vrai problème de l’agriculture n’était pas le Mercosur mais notre système agricole ? / Les Vergers d'Antan Actualités Et si le vrai problème de l’agriculture n’était pas le Mercosur mais notre système agricole ? Les manifestations des syndicats agricoles contre le Mercosur sont légitimes sur plusieurs poin...

“Les consommateurs, eux aussi, devront accepter de payer leur alimentation plus cher.”
Un des tabous auxquels les politiques refusent de s’attaquer (et nécessitant des politiques sociales fortes pour ceux qui n’ont pas le luxe de pouvoir choisir leur alimentation).
www.viridarium.fr/news/et-si-l...

3 months ago 3 3 0 0
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NEW Q&A: What Trump’s US exit from UNFCCC and IPCC could mean for climate action

* Is Trump's move legal?
* How could US rejoin?
* What does it mean for COP
* What about emissions reporting?

Answer in the piece, inc quotes from top legal / climate / emissions experts

www.carbonbrief.org/...

3 months ago 29 11 1 0
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“We cannot withdraw from the fact that over 1 million species of plants and animals face extinction.” 🧪

IPBES remains committed to its mandate to provide the most credible science and evidence about biodiversity to all decision makers and actors. 🌍

3 months ago 155 85 5 6
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European Commission unveils new five-year roadmap to improve consumer conditions in the EU The European Commission unveiled its Consumer Agenda on 19 November 2025, a strategic roadmap to include consumer interests in all policy areas.

The EU has rightly set the bar high with its Consumer Agenda. Consumers’ concerns & expectations need to be central to any policy plan to raise the trust levels in the market, create incentives to increase product quality, empower consumers with information, more choice, and more ⤵️

3 months ago 1 1 0 0
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When is a sausage not really a sausage? Ask the meat lobby | George Monbiot European legislators may ban plant-based products from using the name to prevent ‘confusion’. Just don’t mention beef tomatoes or buffalo wings, says Guardian columnist George Monbiot

Thick as mince and thick as thieves. A column about the absolute idiots European legislators have made of themselves over the naming of food, at the behest of meat lobbyists.
You laugh and then you weep.
www.theguardian.com/commentisfre...

4 months ago 623 217 58 28
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⚖️ IIASA hosted the 2025 INQUIMUS conference, which explored how justice considerations can be centered in climate risk management, & adaptation endeavors in research & practice. It highlighted that justice aspects need to be placed at the center of managing climate risks

iiasa.ac.at/blog/dec-202...

4 months ago 5 3 0 0
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Loss of tropical moist broadleaf forest has turned Africa’s forests from a carbon sink into a source - Scientific Reports Africa’s forests and woody savannas have historically acted as a carbon sink, removing atmospheric carbon and storing it as biomass. However, our novel analysis reveals a critical transition from a ca...

Africa’s forests have joined the Brazilian Amazon and Australian forests in becoming carbon sources rather than sinks. Around 2010 the previous storage of our carbon emissions flipped, mainly through deforestation and degradation.
www.nature.com/articles/s41...
#climatechange #deforestation #Africa

4 months ago 119 97 2 11
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Land-use change undermines the stability of avian functional diversity - Nature Large-scale analyses of bird species traits reveal that land-use change reduces resilience of key ecological functions more than previously thought.

Land-use change undermines the stability of avian functional diversity - new #OA @nature.com paper with @patrickawalkden.bsky.social @josephtobias.bsky.social, combining #PredictsProject with #Avonet doi.org/10.1038/s415...

4 months ago 36 16 1 0
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Reconnecting people to nature is key for biodiversity action. Our new study identifies 5 ways people relate to #Natura2000:
🐾 Learning
🏞️ Heritage
🪴 Care
🧑‍🌾 Multifunctionality
👭 Collaboration
Revealing such narratives can build new alliances & place PAs at the heart of society.
doi.org/10.1002/pan3...

4 months ago 21 13 1 0
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Since I've got a lot of new followers debating the incremental and failed policies of the climate regime and the COP process, here's a reminder to check out the #COPOut Podcast, which focuses on apocalyptically optimistic climate conversations cece.american.edu/cece-launche...

5 months ago 33 19 2 0
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🌍 Interested in the 2026 IIASA Young Scientists Summer Program (YSSP)? Join our #YSSP26 Application Webinar for Europe & Asia to learn how to prepare a strong application and hear from alumni.
🗓 19 Nov 2025 | 1-2pm CET
📩 Register by 17 Nov: yssp.admin@iiasa.ac.at
▶️ iiasa.ac.at/early-career...

5 months ago 7 5 0 0
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A herd of animals, featuring different species, moving together across an open plain.

A herd of animals, featuring different species, moving together across an open plain.

To truly protect #biodiversity, we must harness #PredictiveModels to reveal which #ConservationBiology strategies succeed—and which fail. Read the PNAS News Opinion: https://ow.ly/iVsF50Xl1BL

#GlobalBiodiversityFramework #GBF #conservation

5 months ago 10 4 0 0
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BioAgora, together with sister projects @coop4cbd.eu & RESPIN, will co-organise a side event at #COP30 in Belém, Brazil 🇧🇷.

📅 Science-Policy for Biodiversity & Climate: Experiences from Europe, Latin America & Africa
📍 Blue Zone
🕓 16:45-18:15 (local time)

Read more 👉 bioagora.eu/news/bioagor...

5 months ago 5 3 1 0
Chart showing that greenhouse gas emissions remain far off track for the Paris Agreement goal. Historical and projected global emissions over 2015-35 under the current policy (dark blue), unconditional NDCs (mid blue), conditional NDCs (light blue), 2C (pink) and 1.5C (red) scenarios. There is a 66% chance that warming this century will remain below the levels shown on each of the pathways. Chart by Carbon Brief.

Chart showing that greenhouse gas emissions remain far off track for the Paris Agreement goal. Historical and projected global emissions over 2015-35 under the current policy (dark blue), unconditional NDCs (mid blue), conditional NDCs (light blue), 2C (pink) and 1.5C (red) scenarios. There is a 66% chance that warming this century will remain below the levels shown on each of the pathways. Chart by Carbon Brief.

NEW – UNEP: New country climate plans ‘barely move needle’ on expected warming | @ayeshatandon.carbonbrief.org @ceciliakeating.carbonbrief.org @unep.org

Read here: buff.ly/U0XaME9

5 months ago 28 21 0 1
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No Free Lunch: Sustainable Aquaculture Requires Recognizing Past Science, Improvements, and Comparative Assessment Aquaculture has become an established and important part of the global food system. Several critiques of aquaculture continue to resurface, seemingly ignoring past research and improvements of (1) aq....

A recent Science Advances special issue focused on #aquaculture, but seemed to have missed the mark in a multitude of ways. My incredible colleagues and I wrote this sweeping Open Access opinion article (with 80 citations!) in response. Hope it's useful! 🐟 🦐 🎣 doi.org/10.1111/raq....

5 months ago 14 7 2 2
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The @ec.europa.eu’s move to “simplify” the EU Deforestation Regulation (EUDR) is a shameful surrender to political pressure.

Forests are not bargaining chips🌳😬

See our full reaction➡️ www.wwf.eu?19703941/Eur...

#Deforestation #Together4forests #ItsOurNature

6 months ago 12 7 0 1
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Global goal of zero deforestation by 2030 is severely off track Global deforestation hasn’t slowed in any significant way in the four years since 127 countries pledged to halt and reverse forest loss and degradation by 2030. The newly published 2025 Forest…

Global deforestation hasn’t slowed in any significant way in the four years since 127 countries pledged to halt and reverse forest loss and degradation by 2030.

The newly published 2025 Forest Declaration Assessment shows that nations are 63% off track from meeting their zero-deforestation target.

6 months ago 28 24 1 2
Change in distribution and abundance of southern right whales. (A) Shows historical and contemporary wintering distributions (Figure 1 from Carroll et al., 2018), and (B) shows decline in abundance and subsequent recovery (solid line is the mean, dashed line shows upper and lower 95% CI). Modified Figure 1 from Jackson et al. (2008). Contemporary sightings are divided into regions where large aggregations are seen during winter: Argentina (ARG), Brazil (BZL), South Africa (SAF), southwest Australia (SWA), south central Australia (SCA), and New Zealand sub-Antarctic (NZSA) and regions where sightings are typically of small numbers of individuals per year. The large aggregations are IWC management units and correspond to historical whaling grounds, although another 5 whaling grounds show little sign of recovery. Summer feeding areas are poorly described and so not shown.

Change in distribution and abundance of southern right whales. (A) Shows historical and contemporary wintering distributions (Figure 1 from Carroll et al., 2018), and (B) shows decline in abundance and subsequent recovery (solid line is the mean, dashed line shows upper and lower 95% CI). Modified Figure 1 from Jackson et al. (2008). Contemporary sightings are divided into regions where large aggregations are seen during winter: Argentina (ARG), Brazil (BZL), South Africa (SAF), southwest Australia (SWA), south central Australia (SCA), and New Zealand sub-Antarctic (NZSA) and regions where sightings are typically of small numbers of individuals per year. The large aggregations are IWC management units and correspond to historical whaling grounds, although another 5 whaling grounds show little sign of recovery. Summer feeding areas are poorly described and so not shown.

The global whaling industry experienced a boom c. 1840-1950 as technology allowed whalers to hunt the Southern Ocean around Antarctica.

Under standard models, we would have expected krill populations to have *exploded*.

Instead, they DROPPED exponentially.

Let's talk about the KRILL PARADOX.

6 months ago 245 116 4 17

Save the Date! Am 13. November 2025 findet der 11. @bokuvienna.bsky.social Nachhaltigkeitstag statt, unter dem Motto „Renaturierung & Biodiversität“.
📍 Eintritt frei – keine Anmeldung erforderlich.
➡️ Alle Infos unter short.boku.ac.at/nht2025
#BOKUNachhaltigkeitstag #Renaturierung #Biodiversität

6 months ago 12 7 1 0