Résultats de recherche

New study suggests wildlife may be answer to phosphorus crisis

Modern agriculture is underpinned by a steady supply of fertilizer. However, one of the main ingredients of fertilizer, phosphorus, is running out, putting pressure and financial strain on farmers throughout the world.

Novel solution to drastically reduce world's largest waste stream

After water, sand is the most exploited natural resource on the planet. However, its extraction from seas, rivers, beaches and quarries has an impact on the environment and surrounding communities.

Allow me to introduce myself: Squirrels use rattle calls to identify themselves

As a scientist who studies squirrel behavior, one of the most common questions I am asked is: "How do I get them out of my yard?"

Allow me to introduce myself: Squirrels use rattle calls to identify themselves

'Extinct' orchid discovered hiding in plain sight

Royal Botanic Gardens Victoria, together with a team of scientists, have released a new scientific paper showing that the previously presumed extinct species called Prasophyllum morganii, commonly known as mignonette leek orchid, has in fact been hiding in plain sight.

Sunlight's healing effects help imperiled green sea turtles with tumors

A new study by Florida Atlantic University researchers is literally shedding "light" on a way to improve the health of endangered green sea turtles (Chelonia mydas) prone to a disease called fibropapillomatosis.

A new network to improve biosecurity in livestock

Health, welfare, safety and sustainability are crucial elements for ensuring the future of livestock production. Biosecurity aims to prevent the introduction and spread of pathogens within and between farms and, consequently, results in better welfare, increased food safety and better sustainabi ...

Science-based policy-making: New recommendations for forest pests and diseases management

Over the last century, emerging diseases have progressively been recognized by the scientific community as the main threat to forest ecosystems. With increasing international trade and globalization, the introduction of non-native species into new environments has exacerbated the problems of eme ...

Ărramăt Project highlights interconnections between Indigenous well-being and biodiversity

The Ărramăt Project is working to build the capacity of Indigenous organizations to document, share, and use their knowledge about the interconnections between biodiversity conservation and health and well-being.

US indigenous communities to receive $46m to address global heating

Tribal communities will soon have access to $46m to tackle effects of the climate crisis, which disproportionately threaten Indigenous Americans’ food supplies, livelihoods and infrastructure.

Six new wētā species found in New Zealand, as their habitat slowly disappears

Six new alpine species of New Zealand’s most unusual and beloved insect – the wētā – have been discovered, but it is a bittersweet victory, with another piece of research describing the threat global heating poses for their snowy mountain habitat.

Spring time: why an ancient water system is being brought back to life in Spain

High in la Alpujarra, on the slopes of the majestic Sierra Nevada in Andalucía, the silence is broken only by the sound of a stream trickling through the snow.

Country diary: A race against time for this thick broth of frogspawn

Things change fast this time of year. One moment it feels like summer, the next like deepest winter. New migrants arrive every day.

How each of us can help protect biodiversity as the Prairies warm

CBC Alberta and Saskatchewan have teamed up for a new pilot series on weather and climate change on the Prairies. Meteorologist Christy Climenhaga will bring her expert voice to the conversation to help explain weather phenomena and climate change and how it impacts everyday life.

Turkish experts warn climate change makes Black Sea warmer

Seawater temperatures are substantially changing in the Black Sea, according to Turkish researchers, amid a climate crisis that has triggered floods and landslides in the eponymous region

10 Women Scientists Leading the Fight Against the Climate Crisis

Climate change is an issue that affects everyone on the planet but women and girls are the ones suffering its effects the most. Why? Because women and girls have less access to quality education and later, job opportunities. These structural disadvantages keep them in poverty. In fact, women mak ...

I Would Have Never Bought This Home if I Knew It Flooded

I have spent much of the past decade at the soggy edges of this country listening to the people whose homes and businesses flood worse and worse year after year as tides rise higher and storms become stronger.

In Memoriam – Peter Johan Schei – 1945‑2022

Her Imperial Highness, Princess Takamado of Japan, BirdLife’s Honorary President, sends her condolences on behalf of the entire BirdLife Partnership to Peter’s widow, Anne, and his family and friends.

Ecuador’s Pastaza province, Indigenous groups collaborate on forest conservation

An almost invisible trail snakes through thick buzzing forest leading to a chakra, an ancestral food garden in the Kichwa Cuya community located in Ecuador’s largest province, Pastaza

In soil, death doesn't stop the spread of antibiotic resistance

Dead bacteria can still make their presence felt in the land of the living. New research led by Michigan State University integrative biologists is showing that this could have big implications for antibiotic resistance on farms.

Unwinding the secrets of stress in plants could help feed the world during climate crisis

New research from Royal Holloway has discovered how natural responses to stress in plants modify the way DNA is wrapped up in the cell to help it withstand the adverse effects that climate change has on its growth.

Mechanosensory system found on insect wings could inform future wing designs

Researchers studying dragonflies have put together the most complete description of an insect wing sensory system ever recorded.

Scientists develop a plan to manage lionfish populations in the Mediterranean

Scientists have published a series of recommendations to enable communities and managers to minimize the impact of lionfish in the Mediterranean Sea.

Protecting biodiversity by creating a dark infrastructure

An international research team with the participation of the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) advocates the worldwide development of a dark infrastructure.

Spruce trees' reconquest of Sweden after the last Ice Age took 10,000 years

A new study from scientists at Uppsala University shows that it took more than 10 millennia from when the first spruces returned to Sweden after the glacial stage of the last Ice Age until the species became widespread.

Dengue-blocking mosquitoes here to stay

Dengue fever and other mosquito-borne diseases remain a massive threat to human health and well-being. Urbanization and climate change are likely to increase this threat as established mosquitoes spread to new environments and gain a foothold.

Microplastics in the Cauvery River may be harming fish

Pollutants like microplastics may be causing growth defects in fish, including skeletal deformities, in the Cauvery River, a new study reveals. Published in the journal Ecotoxicology and Environmental Safety, the study was led by Upendra Nongthomba, Professor at the Department of Molecular Repro ...

Using drones to study forest canopy in UNESCO world heritage site

Old-growth forests provide windows into the history of both landscapes and climate. Furthermore, as the pressures of climate change and biodiversity loss amplify, studying and monitoring old-growth forests becomes increasingly important.

Extinct or just missing? The curious case of the native blue-grey mouse

From all accounts, Australia's blue-gray mouse was a charming little creature. The famous British zoologist Oldfield Thomas of London's Natural History Museum first described the species in 1910 and named it Pseudomys glaucus.

The discovery of two giant dinosaur species solves the mystery of missing apex predators in North America and Asia

The top predator of the Jurassic and Cretaceous landscapes was usually a species of meat-eating dinosaur. These predators walked on two legs, had powerful jaws lined with sharp teeth and included species from groups known as tyrannosaurs, spinosaurs and carcharodontosaurs.

Agriculture is linked with malaria in complex ways: Evidence from 16 African countries

The African population is expected to triple by 2100. This means that more food, water and agricultural commodities are required. To meet these needs, African governments and development agencies have set up large agricultural projects.

A new method of extracting ancient DNA from tiny bones reveals the hidden evolutionary history of New Zealand geckos

Aoteaora New Zealand has experienced a dynamic geological and climatic history. There was the separation from the southern super-continent Gondwana, the near drowning during the Oligocene some 27–22 million years ago, and the dramatic changes wrought by ice ages during the Pleistocene which star ...

Great white sharks occasionally hunt in pairs—studying the social behavior of these mysterious predators

Sitting anchored to the rocky reef 70 feet (21 meters) below the surface of the ocean, hundreds of scalloped hammerhead sharks swam above me in unison, moving as if one.

Global heat extremes on the rise, study finds

Temperature extremes with altered characteristics are among the most threatening impacts of global warming. However, how their characteristics have changed is uncertain, and varies by region.

A warm, dry March worsened record drought conditions

March 2022 marked the third month in a row where precipitation was below average across the contiguous U.S., which led to an expanding drought and areas of record dryness throughout the West.

What can we do about extreme weather?

Even without climate change, more people would be faced with the challenges of extreme weather events. That is because the human population continues to grow, our patterns of land use continue to change, and more and more of us are in the pathway of extreme weather events.

Are we part of nature, or separate from it? How you answer matters

Think about a river. Now, imagine that river is one you know. Maybe it's near your home, or perhaps it's in a place you've visited.

Study sheds new light on the origin of civilization

New research from the University of Warwick, the Hebrew University of Jerusalem, Reichman University, Universitat Pompeu Fabra and the Barcelona School of Economics challenges the conventional theory that the transition from foraging to farming drove the development of complex, hierarchical soci ...

Simulating the possible ways global warming could impact landslides in the Austrian Alps

A team of researchers from Austria, Germany, Italy and the UK has created simulations aimed at showing possible landslide scenarios in the Austrian Alps in the coming years as global warming leads to changes in the weather there. Their paper has been published in the journal Communications Earth ...

Bleaching of marine sponges observed in warming Tasmanian waters for the first time

Bleaching in marine sponges in temperate waters off Tasmania’s east coast has been observed for the first time, with scientists warning the discovery could be an indicator of climate change in deeper reef systems.

Toxic rat poison killing growing number of England’s birds of prey

A highly toxic rat poison is killing increasing numbers of birds of prey, figures show, as wildlife campaigners call for its use to be banned outdoors.

Much of Scottish crab and lobster is ‘fish to avoid’, says sustainable seafood guide

Crab and lobster have been classed as “fish to avoid” by the Marine Conservation Society in its new UK guide to sustainable seafood, due to concern over whales getting entangled in Scottish fishing gear.

How sea-salted clouds, solar and social influencers could help with climate change

While the latest report by the Intergovernmental Panel on Climate Change (IPCC) laid out, yet again, some dire predictions about the planet unless immediate action is taken, the United Nations experts also offered a glimmer of hope.

UN says 18 nations have gone green on climate, raked in cash

Proponents of clean energy and thinks tanks have long said it's possible to reduce emissions and keep an economy growing. Now the latest report from the world's top climate scientists says 18 countries have done just that, sustaining emissions reductions "for at least a decade" as their economie ...

What AI Can Do for Climate Change, and What Climate Change Can Do for AI

The April 4, 2022 report from the U.N. Intergovernmental Panel on Climate Change makes it clear that it is “now or never” for the planet. We are “firmly on track toward an unlivable world,” U.N. Secretary-General Antonio Guterres said in releasing the report.

Climate change: IPCC scientists say it's 'now or never' to limit warming

UN scientists have unveiled a plan that they believe can limit the root causes of dangerous climate change. A key UN body says in a report that there must be "rapid, deep and immediate" cuts in carbon dioxide (CO2) emissions.

Sport and climate change: Paralympic champion Tatyana McFadden explains the link

Tatyana McFadden is considered the fastest woman in the world. She is a six-time US Paralympian and 20-time Paralympic medalist. She has won 23 World Major Marathons and has broken five world records in track and field.

Climate change: What does the IPCC mean by 'choice architecture' and can it change our behaviour?

For the first time ever, UN climate scientists have dedicated a whole chunk of a report to how we can curb climate change by reducing energy demand - that is, by consuming less.

Any plans to dim the Sun and cool the Earth must be led by those most affected by climate change

The developed countries of the “global north” are responsible for 92% of excess global emissions, according to a 2020 study in The Lancet Planetary Health. Yet it is the rest of the world – the “global south” – that disproportionately bears the brunt of climate change.

Invasive Species Threaten the Biodiversity of the Adriatic Sea

The arrival of nearly 50 invasive species into the Adriatic Sea over the course of the previous three decades confirms new conditions developing in this Mediterranean sub-basin, but also represents a danger to its biodiversity. Fortunately, there are still ways in which such a threat could be mi ...