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Novosti: Ekologija.hr
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‘I couldn’t breathe’: the deadly health burden of wildfire smoke
Scientists race to untangle complex links between exposure and mortality as fire weather grows more prevalent
A thousand kilometres from the infernos gorging on northern Ontario’s boreal forests, Erin O’Connor watched the sky above Canada’s biggest city turn an “almost post-apocalyptic” orange as it filled with light-scattering particles of soot and ash. Stepping outside the halls of Toronto General hospital, where air filters were keeping patients safe from the worst of the fumes, she was struck by a smell so strong it felt like standing by a campfire.
“It really hit you in the face as soon as you walked outside,” said O’Connor, who runs University Health Network’s emergency department and saw a rise in patients presenting with allergies and shortness of breath. “As the days progressed, it was like that everywhere. It seemed even inside you could smell that burning.”
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Sadiq Khan calls on Andy Burnham to commit to climate action as pressure grows over North Sea oil
London mayor points to ‘terrifying scenes’ this summer amid speculation Burnham may back Jackdaw and Rosebank projects
Sadiq Khan has called on the government to commit to revamped climate action and to reduce the UK’s reliance on oil and gas, as the UK endures a summer of drought, wildfires and heatwaves.
Writing in the Guardian, the mayor of London said that Andy Burnham’s administration must reaffirm its commitment to net zero and make clear it will continue to reduce the UK’s reliance on oil and gas “to get Britain back on track.”
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‘Fearless and quietly astonishing’: the dragonfly that migrates further than any other insect
Wandering gliders are descended from some of the earliest known insects – and breed as one global population
Revealed: the top 10 invertebrates of the year
All hail the wandering glider, a citizen of the globe, an insect for all of us.
Whenever we see a dragonfly zipping through the airspace and devouring tiny insects with aplomb, we can appreciate they are so timelessly effective that they have barely needed to tweak their way of life in 200m years. Odonates are directly descended from some of the earliest winged insects, known as griffin flies, which evolved around 317m years ago.
It’s invertebrate of the year again! From August 3-12, every day we’ll be profiling one of the thousands of amazing invertebrates that our readers have nominated, and then, when you’ve got to hear about all of them, we’ll open the voting so you can choose your favourites. Don’t hesitate to get in touch with thoughts and ideas: email us at [email protected] with Invertebrate in the subject line.
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The ornithological artist drawing 1,000 birds by hand – all for an app that wants you off your phone
The mission of the Flock app is quietly subversive: to encourage users to ditch their screens and explore the wonderful world of birding
On a brilliantly bright afternoon in his gallery and studio in Bolinas, a small town on the northern California coast, Keith Hansen was putting the finishing touches on a watercolor of an almost improbably flamboyant painted bunting.
With an ultra-fine sable brush, he made a few intricate additions to the cobalt blue plumage on the bunting’s head, and, satisfied with his work, slipped the watercolor into a stout binder that every few days welcomes a new addition.
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Scratch of the day: local football season postponed due to ‘rock hard’ pitches
Drought and record heat have forced the Norfolk and Suffolk league to move kick-off to the end of August as the ground is deemed too dangerous to play on
This summer’s record drought has forced a football league to delay the start of its season because “rock hard” pitches are a danger to its players.
The 2026/27 season in the Anglian Combination League of 85 amateur teams in Norfolk and Suffolk was due to start next weekend.
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Could England and Wales ever run out of water?
Last month in England was the driest July since records began almost two centuries ago. How concerned should we be?
Half of England and all of Wales are officially in drought. But what does this mean and could taps eventually run dry?
• The headline of this article was amended on 7 August 2026 to refer to England and Wales, rather than the UK. Also, the average usage of 139 litres of water a day is for people in England and Wales, not in the UK as stated in an earlier version; and the 47bn kilolitres of water extracted from the environment in 2023 was in England only. Groundwater was added to the list of main sources of water.
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Global food prices at three-year high as heatwaves and wars push up crop costs
UN index says weather is affecting wheat yields while conflicts in Ukraine and Iran hit exports and drive up prices
Global food prices have hit their highest level in three and a half years, as summer heatwaves and conflict in Ukraine and the Middle East push up crop costs.
The UN Food and Agriculture Organization (FAO) index of food commodity prices rose last month to its highest level since January 2023, after a jump in prices for cereals, sugar and vegetable oil.
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‘Walking sausage’: the giant stick insect that proves it’s not over till we give up
Also known as the tree lobster, this ultra-rare creature was inadvertently driven to the brink by European settlers
When small species are left alone to evolve for centuries on small islands, they often become larger. Quietly, over thousands of years, Dryococelusaustralis grew to a great size on Lord Howe Island, in the Tasman Sea between Australia and New Zealand.
But the peaceful life of the Lord Howe Island stick insect, an invertebrate of such gargantuan proportions that it is also fondly known as the tree lobster, was destroyed by European settlers. In 1918, a shipwreck brought black rats to the island. The flightless insects were once so common they were used by settlers as bait for fishing, but the rats wiped out the entire population on the island in just two years.
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‘Waste colonialism’ – the Turkish city carrying the weight of Britain’s pollution problem
In this week’s newsletter: a Guardian investigation reveals that the UK exported 139,000 tonnes of rubbish to poor districts in Adana, where farmers are left to cope with microplastics, toxic smoke, and debris
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A year ago this month, when global talks to end our spiralling plastic crisis collapsed, Emma Hardy, Britain’s then marine minister and the UK’s head of delegation, said she was “hugely disappointed”. The UK is committed to working, at home and abroad, to “protect the environment and pave the way to a circular economy”, she pledged.
But Britain, one of the world’s largest exporters of plastic waste, remains part of a global trade that enables us to send mountains of plastic rubbish to other, mostly poorer countries, fuelling pollution, health impacts and waste crime.
El Niño could push 50 million people into acute hunger before end of next year
‘We stared into an abyss’: the men and women battling France’s megafire
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Week in wildlife: a tiger release, an Exmoor eagle and Pallas’s kittens
This week’s best wildlife photographs from around the world
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Novosti: Cybermed.hr
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Skriveni mikrobi unutar tumora mijenjaju imunitet i liječenje raka
Sve veći broj dokaza mijenja način na koji se rak shvaća, stavljajući pozornost na intratumoralnu mikrobiotu kao snažne, ali prethodno zanemarene igrače unutar mikrookruženja tumora. Daleko od toga da su sterilni, tumori su domaćini složenim zajednicama bakterija, gljivica i virusa koji aktivno utječu na napredovanje bolesti, imunološke odgovore i ishode liječenja.
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Hipotireoza povezana s većim rizikom od opstruktivne sleep apneje
Prema rezultatima nove studije, osobe s hipotireozom imaju veću učestalost i težinu opstruktivne apneje u snu (OSA). Rezultati su također pokazali da su pacijenti koji primaju hormonsku nadomjesnu terapiju za disfunkciju štitnjače dulje spavali i provodili više vremena u dubokom snu.
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Dijabetes tipa 2 povezan s težim simptomima menopauze
Vrsta simptoma menopauze, kao i njihova težina, mogu se uvelike razlikovati među ženama. Brojne ranije studije sugerirale su različite razloge za te razlike. Nova studija sugerira da dijabetes tipa 2 može igrati ulogu u značajnom povećanju broja simptoma menopauze i njihove težine.
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Tadalafil može povećati rizik od glaukoma kod muškaraca s povećanom prostatom
Lijek za erekcijsku disfunkciju koji se također koristi za liječenje simptoma poput iznenadne hitnosti i učestalosti, koji su povezani s povećanom prostatom kod muškaraca, može povećati rizik od ozbiljnog očnog stanja, glaukoma, otkriva nova studija.
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Novi tretman za bolesti desni ubija štetne bakterije, a istovremeno čuva korisne mikrobe
Znanstvenici sa Sveučilišta Nagoya u Japanu stvorili su inovativan tretman za parodontitis koji cilja i uklanja štetne bakterije, a istovremeno čuva korisne oralne mikrobe bitne za zdravlje. Oralno zdravlje ovisi o raznolikoj i uravnoteženoj mikrobnoj zajednici. Porphyromonas gingivalis (P. gingivalis) je ključni patogen koji izaziva upalu i remeti tu ravnotežu. Takav poremećaj može oštetiti kost koja podupire zube i na kraju dovesti do gubitka zuba.
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Zagađenje zraka može pogoršati simptome reumatoidnog artritisa i rizik od pogoršanja
Nova studija pokazuje da je izloženost onečišćenju zraka, posebno finim česticama poput prašine, čađe i dima (PM2.5), povezana s povećanom aktivnošću bolesti i rizikom od pogoršanja reumatoidnog artritisa.
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Broj slučajeva gestacijskog dijabetesa u porastu diljem Engleske
Jedna od osam majki u Engleskoj sada ima dijagnozu gestacijskog dijabetesa, a dijagnoze su porasle za 60 posto u samo pet godina, pokazuju rezultati nove studije.
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Promjene crijevnog mikrobioma mogu započeti prije pojave simptoma Alzheimerove bolesti
Dostupna istraživanja zajedno sugeriraju da promjene u sastavu i metaboličkoj aktivnosti crijevne mikrobiote mogu biti povezane s ranom patologijom Alzheimerove bolesti. Smanjenje broja taksona koji proizvode SCFA i promjene u mikrobnim metaboličkim putovima uočene su u ograničenom broju studija.
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Svakodnevna konzumacija rajčica smanjuje ključni marker masnoće u jetri
Šestotjedna prehrana bogata rajčicama nadmašila je prehranu bez rajčica na važnom markeru steatoze jetre, što ukazuje na poznatu mediteransku hranu s potencijalnom važnošću za liječenje steatozne bolesti jetre povezane s metaboličkom disfunkcijom (MASLD).
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Arginin jača imunološki sustav protiv raka i virusnih infekcija
Aminokiselina arginin pomaže ljudskom tijelu da ostane u formi, ponajviše sintetizirajući proteine koji provode niz staničnih procesa. Proizvodi je naše tijelo i nalazi se u uobičajenoj hrani bogatoj proteinima. Niske razine arginina povezane su s nizom bolesti, uključujući rak debelog crijeva.
Novosti: Biologija.com
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Candid cameras catch a glimpse of rare wildlife
Deep in the mountains of Palawan, Conservation International scientists are capturing what few people ever see: the secret lives of the Philippines’ rarest species.
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How a family farm in the Amazon landed on the world’s best menu
At Maido — the Lima restaurant recently crowned the best in the world — one of the star dishes is paiche, a giant prehistoric river fish.Its journey to the table begins on a small family farm deep in Peru’s Amazon.
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‘A profound loss’: Conservation world mourns Jane Goodall
“Jane Goodall forever changed how people think about, interact with and care for the natural world,” said Daniela Raik, interim CEO of Conservation International.
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Conservation International expert earns global recognition on TIME100 Next
Conservation International’s Neil Vora was selected for TIME’s Next 100 list — alongside other rising leaders reshaping culture, science and society.
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What on Earth is ‘coral bleaching’?
Climate change is happening. And it’s placing the world’s reefs in peril. What can be done?
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Landmark high seas treaty crosses finish line
After decades of negotiation, the high seas treaty is finally reality. The historic agreement will pave the way to protect international waters which face numerous threats.
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News spotlight: Deforestation linked to dramatic decline in Amazon rainfall
The Amazon rainforest, known for lush green canopies and an abundance of freshwater, is drying out — and deforestation is largely to blame.
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5 ways the ocean keeps our climate in check
The ocean is engine of all life on Earth, but human-driven climate change is pushing it past its limits. Here are five ways the ocean keeps our climate in check — and what can be done to help.
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Off Mexico’s coast, divers nab biggest ‘ghost’ yet
In a grueling and delicate dance, a team led by Conservation International removes a massive undersea killer.
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Protect wildlife: Buy a print
They say a picture is worth a thousand words. These pictures might be worth even more. An initiative featuring the work of some of the world’s best nature photographers raises money for environmental conservation.