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Ecologist
Passionné d'environnement et de durabilité
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Sustainable Flight, Plastic‑Waste Polymers, Solar Geoengineering, Urban Rewilding…
Lundi 8 décembre 2025 à 22:01
Environment & Sustainability
Air New Zealand pilots electric and hydrogen aircraft
Air New Zealand has cleared its runways for a four‑month “intensive proving programme” that tests both all‑electric and hydrogen‑powered planes, aiming to cut the aviation sector’s notorious greenhouse‑gas emissions. Popular Science notes that while battery and fuel‑cell technologies remain costly, the trials could herald a new era of low‑carbon commercial flight.
popsci.com
Waste‑cooking‑oil turned into super‑adhesive polymer
Chemists have converted the nation’s 3.7 billion gallons of discarded cooking oil into a recyclable polymer that functions as a glue strong enough to tow a car. The study, published in the Journal of the American Chemical Society, frames the material as a circular‑economy alternative to petroleum‑based plastics. Live Science highlights the dual benefit of waste reduction and high‑performance material creation.
Live Science
Africa pushes back on solar geoengineering proposals
At the UN environment talks in Nairobi, African diplomats warned that large‑scale solar‑geoengineering risks turning the continent into a “test‑bed” for unproven climate hacks. The Guardian reports that African states are lobbying for a global “non‑use” agreement to bar public funding and patenting of such technologies, emphasizing ethical and geopolitical concerns.
The Guardian (Environnment)
White storks slated for historic London rewilding
A new rewilding project will reintroduce white storks to Barking and Dagenham, marking the species’ first breeding presence in the UK since the 15th century. The Guardian describes the effort as a flagship urban‑nature initiative that seeks to weave charismatic wildlife into the city’s soundscape and inspire broader climate action.
The Guardian (Environnment)
Canada’s “environmental realism” under fire over new pipeline
Environmental activist Tzeporah Berman criticises Canada’s latest oil‑pipeline push as a surrender to fossil‑fuel interests, contrasting it with the UK’s recent bans on new oil and gas licences. The Guardian frames the debate as a litmus test for whether mature economies will align policy with the accelerating energy transition.
The Guardian (Environnment)
Olafur Eliasson’s art merges perception and climate urgency
In Brisbane, Olafur Eliasson unveils Presence, an installation where a giant, pulsating sun reacts to viewers’ movements, underscoring humanity’s role in the climate crisis. The Guardian lauds the work for turning artistic experience into a visceral reminder of planetary warming.
The Guardian (Environnment)
Health & Well‑being
School reopenings linked to sharp drop in youth mental‑health appointments
A new study finds that children’s mental‑health service use fell dramatically after schools resumed in‑person teaching, suggesting that routine and social interaction are protective factors. The New York Times reports that while other variables may play a role, the reopening appears to be a key driver of improved youth well‑being.
The NY Times
Cancer deaths projected to double by 2050 without systemic change
Researchers warn that, absent major interventions, global cancer mortality could rise by 100 % by mid‑century, driven by aging populations and lifestyle risk factors. Science Alert highlights the urgency of preventive measures and equitable treatment access to avert the looming health crisis.
Science Alert
Science Insights
Fossils push back emergence of giant lamniform sharks by 15 million years
Ancient 8‑metre‑long shark fossils from Australian deposits reveal that megasharks roamed seas 115 million years ago, predating previous estimates. ScienceNews.org explains that the discovery reshapes understanding of marine apex‑predator evolution alongside contemporaneous marine reptiles.
sciencenews.org
International Affairs
Benin foils attempted coup, President Talon announces victory
Benin’s government successfully thwarted a military coup attempt, with President Patrice Talon confirming the failure in a televised address. World Politics Review details the rapid response that averted potential instability in the West African nation.
World Politics Review
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