Flux continu

Pendant sept ans, la réalisatrice Helena Molin a filmé une douzaine d’adolescents à l’origine de la création, en 2018, du mouvement Fridays for Future. Un documentaire encensé par la critique.

Notre affaire à tous, Générations futures, Bloom et plusieurs particuliers attaquent l’Etat devant le tribunal administratif de Paris pour tenter de faire reconnaître sa responsabilité dans le scandale de la contamination aux polluants éternels.

Current energy projections often envision an expansion of nuclear capacities to decarbonize future energy systems. However, this contrasts with the historic and current status of the nuclear industry, marked by techno-economic challenges for both light-water and non-light-water reactor technologies. Regardless, projections of strong nuclear growth have persisted since the 1970s. This paper investigates the “nuclear energy paradox” which shows the recurring divergence between historical projections and actual developments. A data compilation of long-term energy projections from international organizations such as the IAEA and the IEA as well as energy system models like GCAM and MESSAGE, as used in the IPCC, reveal a recurring pattern of high-growth projections for nuclear power. Such projections often rest on techno-economic assumptions such as substantial cost reductions. We propose the concept of nuclear imaginaries to show that these assumptions are embedded into techno-economic visions of nuclear power de

Scenarios serve as a critical tool in climate change analysis, enabling the exploration of future evolution of the climate system, climate impacts, and the human system (including mitigation and adaptation actions). This paper describes the scenario framework for ScenarioMIP as part of CMIP7. The design process has involved various rounds of interaction with the research community and user groups at large. The proposal covers a set of scenarios exploring high levels of climate change (to explore high-end climate risks), medium levels of climate change (anchored to current policy), and low levels of climate change (aligned with current international agreements). These scenarios follow very different trajectories in terms of emissions, with some likely to experience peaks and subsequent declines in greenhouse gas concentrations in this century. An important innovation is that most scenarios are intended to be run, if possible, in emission-driven mode, providing a better representation of the Earth system uncert

Climate models show considerable discrepancies in their future projections around the Atlantic, mainly due to uncertainties in the fate of the Atlantic Meridional Overturning Circulation (AMOC). Climate models suggest a reduction in AMOC strength of 32 ± 37% by 2100 (90% probability, Shared Socioeconomic Pathways 2-4.5 scenario, Coupled Model Intercomparison Project Phase 6). To refine this estimate and reduce its uncertainty, we use four different observational constraint methods. The best one, which provides the lowest leave-one-out error, integrates a large set of observable variables using ridge-regularized linear regression—a method unusual in climate science. It gives an estimate of the AMOC slowdown of 51 ± 8% (90% probability), i.e., a weakening ∼ 60% stronger than suggested by the multimodel mean. This refinement mainly results from correcting a bias in South Atlantic surface salinity, consistent with recent studies emphasizing its role in the proximity to an AMOC tipping point. This more substantial

Attaquées par les populistes en France et en Europe, les règlementations ciblant les pesticides, les Pfas ou les particules fines sont pourtant vitales, rappelle le porte-parole de l’association Générations futures, François Veillerette.

Le texte a été modifié par rapport à sa première mouture adoptée en juillet 2025, qui avait suscité l’indignation, avant que le Conseil constitutionnel censure l’article réintroduisant l’acétamipride, un pesticide de la famille des néonicotinoïdes.

Climate change is causing measurable harm globally1,2. Political and legal efforts seek to link these damages with specific emissions, including in discussions of loss and damage (L&D)3,4; however, no quantitative definition of L&D exists5,6, nor is there a framework to link past and future emissions from specific sources to monetized, location-specific damages. Here we develop such a framework, which is integrated with recent efforts to estimate the social cost of carbon7. Using empirical estimates of the non-linear relationship between temperature and aggregate economic output, we show that future damages from past emissions—one component of L&D—are at least an order of magnitude larger than historical damages from the same emissions. For instance, one tonne of CO2 emitted in 1990 caused US$180 in discounted global damages by 2020 ($40–530) and will cause an additional $1,840 through 2100 ($500–5,700). Thus, settling debts for past damages will not settle debts for past emissions. In other illustrative esti

Le philosophe de l'environnement Rupert Read dit à Ella Whelan la panéliste Moral Maze pourquoi nous ne pourrons peut-être plus profiter du même niveau de vie pour le bien de la planète et des générations futures.

La réforme du règlement européen sur la sécurité des produits chimiques (REACH) figure à l'agenda de la Commission européenne depuis 2020. Cependant, une forte opposition de l'industrie, y compris tout au long de l'année 2025 comme le révèle ce rapport, a occulté l'urgence sanitaire et environnementale de lutter contre les substances chimiques nocives. La manipulation de l'industrie et son accès privilégié aux plus hautes instances de la Commission, conjugués à l'hostilité actuelle de l'UE envers les nouvelles réglementations environnementales et à sa frénésie de déréglementation, semblent avoir irrémédiablement compromis un objectif clé du Pacte vert pour l'Europe.