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Ecologist
Passionné d'environnement et de durabilité
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Net‑Zero Costs, Climate‑Changing Oceans, and Early Earth Secrets…
Jeudi 11 décembre 2025 à 22:01
Environment and Climate
UK’s Net‑Zero Bill May Reach £500 per Household
The Guardian reports that Britain’s system operator has modelled the financial impact of reaching net‑zero by 2050, estimating an average annual charge of roughly £500 for each household under several transition scenarios. Analysts warn that such costs could strain low‑income families unless the government implements targeted subsidies or financing mechanisms. This analysis underscores the fiscal dimension of the climate transition that policymakers must now grapple with.
The Guardian (Environnment)
Decoupling Growth from Emissions Gains Momentum Globally
A new study highlighted by The Guardian finds that the historic link between economic growth and carbon emissions is weakening across most of the world, especially in the Global South, where strong climate policies have driven a pronounced decoupling since the 2015 Paris Agreement. The research suggests that ambitious national strategies can deliver prosperity without proportionate rises in greenhouse gases, offering a hopeful template for other economies.
The Guardian (Environnment)
Philippines Victims Sue Shell Over Climate Harm
World Street Journal (International) details a landmark lawsuit filed by Typhoon Survivors in the Philippines who allege that Shell knowingly contributed to climate change for decades, exacerbating the frequency and intensity of destructive storms. The claim seeks compensation and stricter corporate accountability, marking a rare legal challenge that could set precedent for climate‑related litigation in the region.
World Street Journal (International)
Orcas and Dolphins Form Tactical Alliances to Hunt Salmon
The Washington Post describes unprecedented footage of orcas and dolphins cooperating off the Pacific Northwest to herd and capture large Chinook salmon, showcasing a sophisticated inter‑species hunting strategy. Researchers suggest that such alliances may boost foraging efficiency for both species amid declining salmon populations, highlighting the adaptive behaviours emerging in stressed marine ecosystems.
Washington Post (World)
Mars’ Unexpected Role in Shaping Earth’s Climate
Science Alert reveals that subtle gravitational and dust‑exchange interactions between Mars and Earth influence our planet’s climate more than previously understood, with the Red Planet affecting atmospheric circulation patterns even from 140 million miles away. The findings open new avenues for climate modelling that incorporate extraterrestrial variables, underscoring the interconnectedness of planetary systems.
Science Alert
Health and Public Wellbeing
U.S. FDA Eyes European Sunscreen Filter for Safer Sun Protection
Scientific American reports that the U.S. Food and Drug Administration is considering approval of bemotrizinol, a highly effective UV filter widely used in European sunscreens, to broaden protection options for American consumers. Advocates argue that adopting this filter could close a performance gap in domestic products, while skeptics raise concerns about regulatory hurdles and market adoption.
Scientific American
Measles Outbreaks Threaten U.S. Disease‑Free Status
Scientific American warns that more than 1,900 measles cases—predominantly among children—have been recorded in the United States this year, pushing the nation toward the brink of losing its measles‑free designation. Public‑health officials stress the urgency of boosting vaccination coverage and countering misinformation to avert a larger resurgence.
Scientific American
Science and Earth Systems
Deep‑Mantle Mineral May Have Locked Away an Ocean’s Worth of Water
ScienceNews.org explains that laboratory experiments on bridgmanite, a dominant deep‑mantle mineral, indicate it can store up to 100 times more water than previously thought, potentially sequestering an entire ocean’s volume during Earth’s Hadean era. This discovery reshapes theories about the planet’s early water budget and the long‑term cycling of volatiles between surface and interior.
sciencenews.org
Ancient Cycads Used Heat to Attract Insect Pollinators
Scientific American uncovers research showing that prehistoric cycad plants generated localized heat to lure insects, a primitive pollination strategy predating flowering plants. By emitting warmth, these gymnosperms secured vital pollinator services, offering insight into the evolutionary origins of plant‑insect mutualisms.
Scientific American
International Affairs and Policy
Ongoing Violence Threatens Stability in Eastern Congo
World Politics Review highlights that despite a U.S.-brokered peace accord, eastern Congo has witnessed hundreds of deaths in the past week, with armed groups continuing brutal attacks. The escalation signals fragile security dynamics and the urgent need for reinforced diplomatic and humanitarian interventions.
World Politics Review
Venezuelan Economy Faces New Shock from Oil‑Tanker Seizures
The New York Times reports that the recent seizure of oil tankers bound for Venezuela could cripple the already fragile nation’s oil‑dependent economy, jeopardising essential imports and public‑service funding. Analysts warn that sustained disruptions may deepen the humanitarian crisis and accelerate calls for alternative revenue streams.
The NY Times
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