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UK Electric Vehicle Loopholes Add 17 Million Tonnes CO2 While Coastal Erosion Threatens 200-Year-Old Sailors’ Grave — Today’s Environmental Briefing for Sun, Jun 7 2026

7 June 2026 at 14:00
Electric vehicles charging at station with emissions visualization showing carbon dioxide impact

Across the stories today, a common thread emerges: the growing tension between ambitious climate goals and the messy realities of making change happen on the ground. From Colorado’s largest-ever oil lease sale to federal subsidies flowing toward aging coal plants, the gap between environmental necessity and economic momentum has rarely felt more stark.

The day’s coverage points to growing momentum around innovation, but also the persistent pull of established systems. While virtual power plants gain traction in Massachusetts and Minnesota as states seek clean energy solutions, the federal government simultaneously allocated $700 million to support the struggling coal industry through the Defense Production Act. It’s a reminder that progress and pressure often arrive together, creating policy landscapes that can feel contradictory but reflect the complex economics of energy transition.

Perhaps most telling are the stories of communities caught between these larger forces. In Colorado’s northwestern wilderness, the Bureau of Land Management is opening 156,000 acres of critical wildlife habitat — including migration corridors for the nation’s largest elk herd — to oil and gas drilling. Meanwhile, in the Dominican Republic, 450 families near the Pueblo Viejo gold mine are demanding relocation from what they describe as dangerous pollution, while Canada’s corporate watchdog office remains unstaffed and unable to respond.

These human-scale impacts reveal how environmental challenges increasingly operate across borders and timescales. The Middle East conflict now threatens global food security through fertilizer trade disruptions, while mangrove forests — nature’s carbon guardians for tens of millions of years — face existential pressure from rising seas happening faster than these resilient ecosystems can adapt.

Behind the numbers are real communities adapting in real time. In Nepal’s fertile southern plains, farmer Dhruba Prasai stands guard over his crops every night as wildlife emerges from nearby forests, highlighting the complex relationship between conservation success and agricultural livelihoods. In Norfolk, authorities must consider exhuming a 200-year-old mass grave of sailors as coastal erosion — accelerated by climate change — threatens this historic site.

Yet today’s stories also showcase remarkable resilience and ingenuity. A Kent village transformed itself into a living solar system model to inspire environmental awareness. The stunning turquoise dwarf gecko has rebounded from near-extinction thanks to trade bans and conservation efforts. Amazon communities are pioneering new models for sustainable resource management while protecting some of the world’s last intact forests.

The juxtaposition feels particularly acute in water policy, where federal officials prepare to impose Colorado River management plans if seven states can’t reach agreement, while a Labour politician calls for public ownership of Thames Water amid ongoing environmental concerns. These parallel struggles — one over scarcity, another over stewardship — underscore how water governance has become a defining issue for both climate adaptation and democratic accountability.

As the week unfolds, all eyes will be on whether the Biden administration’s mixed signals on energy policy — supporting both clean innovation and fossil fuel infrastructure — represent a pragmatic transition strategy or a failure to fully commit to climate goals. The stories emerging from frontline communities, from Nepal’s fields to Colorado’s wilderness, suggest that the window for managed, equitable change continues to narrow, making each policy choice increasingly consequential for both people and planet.

The post UK Electric Vehicle Loopholes Add 17 Million Tonnes CO2 While Coastal Erosion Threatens 200-Year-Old Sailors’ Grave — Today’s Environmental Briefing for Sun, Jun 7 2026 first appeared on EnviroLink Network.

UK Electric Vehicle Rules Weakened Despite Climate Concerns as PHEVs Loophole Creates Major Emissions Gap

7 June 2026 at 11:01
UK Electric Vehicle Rules Weakened Despite Climate Concerns as PHEVs Loophole Creates Major Emissions Gap

British vehicles are projected to release an additional 17 million tonnes of carbon dioxide into the atmosphere by 2030, primarily due to regulatory changes made last year that created loopholes in the country’s electric vehicle transition rules. The staggering emissions increase stems largely from provisions that allow manufacturers to sell more plug-in hybrid electric vehicles (PHEVs) while still meeting their clean car quotas.

Environmental campaigners are now pushing back against renewed industry pressure to further weaken these electric vehicle mandates. The current rules require car manufacturers to sell increasing percentages of electric vehicles each year, designed to accelerate the UK’s transition away from fossil fuel-powered transportation. However, automotive industry representatives are lobbying for a second round of regulatory rollbacks, arguing the targets are too aggressive.

The 17 million tonne emissions gap represents a significant setback for the UK’s climate goals, equivalent to the annual carbon footprint of several million households. Critics argue that the PHEV loophole undermines the environmental benefits these policies were meant to deliver, as plug-in hybrids still rely heavily on gasoline engines and often operate in conventional mode rather than electric-only driving.

This development highlights the ongoing tension between automotive industry concerns about market readiness and environmental advocates pushing for more aggressive decarbonization timelines. As the UK works toward its net-zero commitments, the effectiveness of current electric vehicle policies remains under intense scrutiny from both climate scientists and industry stakeholders.

The post UK Electric Vehicle Rules Weakened Despite Climate Concerns as PHEVs Loophole Creates Major Emissions Gap first appeared on EnviroLink Network.

Coastal Erosion Threatens 200-Year-Old Sailors’ Grave in Norfolk

7 June 2026 at 11:01
Coastal Erosion Threatens 200-Year-Old Sailors’ Grave in Norfolk

Rising seas and relentless coastal erosion are forcing authorities to consider exhuming a historic mass grave containing the remains of 119 sailors who perished more than two centuries ago. The sailors died when HMS Invincible sank off the Norfolk coast in 1801 while en route to join Admiral Horatio Nelson’s fleet at the Battle of Copenhagen.

The recovered bodies were laid to rest at St Mary’s church in Happisburgh, the village closest to where the naval disaster occurred. Now, the same coastal forces that claimed the ship and its crew are threatening to expose their final resting place. Happisburgh sits on one of England’s most rapidly eroding coastlines, where the North Sea claims several meters of land each year.

The potential exhumation highlights a growing environmental challenge facing coastal communities worldwide. As sea levels rise and storm patterns intensify due to climate change, historic sites, cemeteries, and archaeological treasures along vulnerable shorelines face increasing risk. Coastal erosion rates have accelerated in recent decades, forcing difficult decisions about relocating or protecting cultural heritage sites.

The fate of these sailors’ remains serves as a stark reminder of how environmental changes can reach across centuries, disturbing even the most sacred and seemingly permanent human monuments. Local authorities must now weigh the costs and logistics of relocating the historic grave against the certainty of eventual exposure by advancing waters.

The post Coastal Erosion Threatens 200-Year-Old Sailors’ Grave in Norfolk first appeared on EnviroLink Network.

Breaking Barriers: First Female Chair of Grayling Society Champions River Conservation and Women in Angling

7 June 2026 at 11:01
Breaking Barriers: First Female Chair of Grayling Society Champions River Conservation and Women in Angling

Marnie Lovejoy has made history by becoming the first woman to chair the Grayling Society, marking a significant milestone in the traditionally male-dominated world of fly-fishing and freshwater conservation. Her appointment comes at a crucial time for England’s rivers and the protection of one of its most elegant native fish species.

Known to anglers as the “lady of the stream” for its iridescent pink scales and graceful dorsal fin, the grayling faces mounting pressures from habitat degradation, pollution, and climate change. These beautiful fish require pristine water conditions to thrive, making them important indicators of river health across England’s waterways.

Lovejoy’s leadership represents more than just breaking glass ceilings in angling circles. She aims to inspire a new generation of women to take up fishing while simultaneously advancing conservation efforts for England’s struggling river ecosystems. Her dual mission addresses both the sport’s diversity challenges and the urgent need for river protection.

The timing of her appointment underscores broader changes in the angling community. Until 2024, some prestigious fishing clubs excluded women entirely, even as guests. Now, with Lovejoy at the helm of grayling conservation efforts, the sport is slowly evolving to embrace both gender equality and environmental stewardship. Her work could prove vital for protecting these sensitive fish and the pristine river habitats they depend on for survival.

The post Breaking Barriers: First Female Chair of Grayling Society Champions River Conservation and Women in Angling first appeared on EnviroLink Network.

Shell Operated Leaking Nigeria Pipeline for Years Despite Knowing Environmental Risks to Mangrove Forests

7 June 2026 at 11:00
Shell Operated Leaking Nigeria Pipeline for Years Despite Knowing Environmental Risks to Mangrove Forests

Internal company documents reveal that oil giant Shell knowingly continued operating a severely compromised pipeline in Nigeria’s Niger Delta for years, despite being aware it posed significant pollution risks to the region’s precious mangrove ecosystems. The communications show that senior executives were informed as early as 2008 about the deteriorating conditions of the 97-kilometer Nembe Creek Trunk Line, yet chose to keep the oil flowing rather than shut down operations for repairs.

The pipeline, which carries 150,000 barrels of oil daily to export terminals, became a source of repeated environmental disasters as thieves tapped into the line through illegal connections, causing massive spills into the surrounding wetlands. Company documents from 2013 classified such compromised pipelines as requiring immediate shutdown or urgent remedial action, yet operations continued. The resulting oil contamination has devastated the region’s mangrove forests, which are home to diverse species of Rhizophora and Avicennia trees that form critical coastal ecosystems.

Local communities have paid a devastating price for Shell’s decision to prioritize profits over environmental protection. Residents of the nearby Bille community report that approximately 2,000 hectares of mangrove swamps have been killed by oil spills, with contamination affecting a total area of 13,200 hectares. The pollution has destroyed fish populations and other aquatic life that local communities depend on for their livelihoods. Satellite imagery confirms the massive scale of mangrove degradation around affected villages, showing the long-term environmental consequences of operating damaged oil infrastructure in sensitive coastal ecosystems.

The post Shell Operated Leaking Nigeria Pipeline for Years Despite Knowing Environmental Risks to Mangrove Forests first appeared on EnviroLink Network.

Ocean Monitoring Cuts Threaten Weather Forecasting While Helicopters Deliver 100 Tonnes for Mountain Trail Repairs — Today’s Environmental Briefing for Sat, Jun 6 2026

6 June 2026 at 14:01
Ocean monitoring buoy floating in blue water with scientific equipment visible above surface

Across the stories today, a common thread emerges around the growing tension between humanity’s expanding footprint and the natural world’s capacity to sustain it — and the innovative ways communities are responding to that pressure.

From Nepal’s sleepless farmers standing guard against crop-raiding elephants to New York’s groundbreaking moratorium on data centers, the day’s coverage points to growing momentum around a fundamental question: How do we balance human needs with environmental limits? In Nepal’s fertile plains, farmer Dhruba Prasai embodies this struggle in the most personal terms, spending nights protecting his livelihood from wildlife that has nowhere else to go as habitats shrink. His story reflects a global pattern where conservation success — healthy animal populations — creates new challenges for the communities living alongside recovering ecosystems.

Meanwhile, the United States is grappling with its own version of this tension through energy infrastructure. New York’s proposed data center freeze represents the first state-level recognition that the digital economy’s physical infrastructure carries real environmental costs. As artificial intelligence development accelerates — highlighted by upcoming presidential meetings with tech leaders — states are being forced to confront whether unlimited growth in energy-hungry facilities aligns with climate commitments.

The policy landscape reveals a surprising role reversal that challenges conventional wisdom about climate action. While traditionally blue states like California retreat from aggressive environmental policies, red states are surging ahead in renewable energy development. This shift suggests that economic opportunity, not political ideology, may increasingly drive clean energy adoption. Virtual power plants are gaining traction in states like Massachusetts and Minnesota, signaling that grid modernization is becoming a bipartisan priority as electricity demand soars.

But perhaps the most encouraging thread running through today’s stories is the remarkable capacity for recovery when protection efforts succeed. Tanzania’s turquoise dwarf gecko has rebounded from near-extinction after trade bans halted the illegal capture of 40,000 individuals. Mangrove forests worldwide are staging unexpected comebacks after decades of destruction. Even in crisis, there are signs of resilience: curlew chicks successfully hatched from eggs rescued during wildfires, and New Mexico’s “reforestation pipeline” is training climate-resilient seedlings to heal wildfire-devastated landscapes.

It’s a reminder that progress and pressure often arrive together. The same technological advances driving data center construction are also enabling virtual power plants to balance renewable energy. Conservation successes that allow wildlife populations to recover create new management challenges for rural communities.

Behind the numbers are real communities adapting in real time. From Nepalese farmers developing night watch systems to Native American tribes seeing their bison restoration efforts threatened by new federal grazing rules, the human dimension of environmental change continues to play out in deeply personal ways.

The contrast between immediate local impacts and longer-term recovery stories suggests we’re in a pivotal moment where short-term adaptation strategies must align with longer-term restoration goals. As the week unfolds, all eyes will be on how policymakers balance competing demands — from Alaska’s Arctic refuge lease sale to Albania’s luxury resort controversy — while communities continue innovating at the intersection of human needs and environmental health.

The post Ocean Monitoring Cuts Threaten Weather Forecasting While Helicopters Deliver 100 Tonnes for Mountain Trail Repairs — Today’s Environmental Briefing for Sat, Jun 6 2026 first appeared on EnviroLink Network.

Ocean Monitoring System Cuts Could Cripple Global Weather Forecasting, Scientists Warn

6 June 2026 at 11:02
Ocean Monitoring System Cuts Could Cripple Global Weather Forecasting, Scientists Warn

A proposed dismantling of America’s ocean observation network threatens to severely undermine weather prediction accuracy worldwide, leaving meteorologists and climate scientists operating with dangerous blind spots, according to leading researchers.

The ocean monitoring system plays a crucial role in tracking global climate patterns and marine ecosystems. Its potential elimination would dramatically reduce the precision of weather forecasts and El Niño predictions, creating significant economic ripple effects across multiple industries that depend on accurate atmospheric data. The system serves as a vital component of the international ocean observation network that helps scientists understand how our climate is changing.

Research published recently reveals that decommissioning this monitoring infrastructure would cause massive errors in annual ocean heating rate calculations – critical measurements for understanding global warming trends. Ocean temperatures drive much of Earth’s weather patterns, making continuous monitoring essential for everything from hurricane tracking to seasonal forecasting that farmers, shipping companies, and emergency management agencies rely on daily.

The loss of this data collection capability would force climate scientists to work with incomplete information at a time when precise environmental monitoring has never been more important. Weather-dependent industries, from agriculture to aviation, could face increased uncertainty and financial losses due to less reliable forecasting. The proposed cuts highlight the ongoing tension between government cost-cutting measures and the scientific infrastructure needed to understand and respond to climate change impacts.

The post Ocean Monitoring System Cuts Could Cripple Global Weather Forecasting, Scientists Warn first appeared on EnviroLink Network.

Administration Targets Rule Protecting 58 Million Acres of National Forests from Development

6 June 2026 at 11:02
Administration Targets Rule Protecting 58 Million Acres of National Forests from Development

A critical environmental protection that has safeguarded America’s pristine wilderness for over two decades is now under threat. The Roadless Area Conservation Rule, which has protected more than 58 million acres of national forests since 2001, faces potential elimination under the current administration’s push to expand access to public lands.

The rule has served as a crucial barrier against road construction and timber harvesting in untouched forest areas, recognizing that while modern roads may last for decades, the environmental damage they cause to forest ecosystems begins immediately upon construction. When originally proposed, the protection garnered extraordinary public support, with nearly 2 million Americans submitting comments during the public review process—the vast majority advocating for the conservation measures.

This policy represents one of the most significant wilderness protection achievements in recent history, preserving an area larger than the entire state of Utah from industrial development. The protected forests serve as critical habitat for wildlife, carbon storage systems that help combat climate change, and sources of clean water for millions of Americans.

The potential rollback of these protections represents a broader shift in public lands policy that could fundamentally alter the character of America’s national forests. Environmental advocates warn that eliminating the Roadless Rule would open previously untouchable wilderness areas to logging, mining, and other extractive industries, potentially causing irreversible damage to ecosystems that have remained largely undisturbed for centuries.

The post Administration Targets Rule Protecting 58 Million Acres of National Forests from Development first appeared on EnviroLink Network.

Labour Politician Calls for Public Ownership of Thames Water Amid Ongoing Environmental Concerns

6 June 2026 at 11:01
Labour Politician Calls for Public Ownership of Thames Water Amid Ongoing Environmental Concerns

Andy Burnham, Labour’s candidate in the upcoming Makerfield byelection, has publicly advocated for nationalizing Thames Water, stating that public ownership of water companies would “absolutely be an option” if he were to lead the Labour party. This represents a significant policy position that could reshape how Britain’s water infrastructure is managed.

Burnham’s call for nationalization comes amid growing concerns about the performance and environmental impact of privatized water companies. Thames Water, which serves millions of customers across London and the Thames Valley, has faced mounting criticism over issues including sewage discharge into waterways, infrastructure failures, and water quality concerns. The company’s financial struggles and environmental record have intensified debates about whether essential water services should remain in private hands.

The proposal reflects broader discussions about public versus private control of critical environmental infrastructure. Supporters argue that public ownership could prioritize environmental protection and long-term sustainability over profit margins, potentially leading to better outcomes for river health, reduced pollution incidents, and more robust investment in aging water systems. Critics, however, question whether government management would deliver the efficiency and innovation needed to address complex water challenges.

This policy stance signals a potential shift in Labour’s approach to utilities management and environmental stewardship, particularly as water companies face increasing scrutiny over their environmental performance and their role in protecting Britain’s waterways and drinking water supplies.

The post Labour Politician Calls for Public Ownership of Thames Water Amid Ongoing Environmental Concerns first appeared on EnviroLink Network.

Nepalese Farmers Battle Sleepless Nights as Wildlife Destroys Crops While Government Relief Remains Out of Reach

6 June 2026 at 11:01
Nepalese Farmers Battle Sleepless Nights as Wildlife Destroys Crops While Government Relief Remains Out of Reach

In Nepal’s fertile southern plains, farmer Dhruba Prasai hasn’t had a good night’s sleep in years. Every evening, he stands guard over his fields as nilgai antelopes, wild boars, deer, and Asian elephants emerge from nearby forests to feast on his crops. Without constant vigilance, these animals devour not only his standing harvest but also his stored grain supplies.

Prasai’s struggle reflects a growing crisis across Madhesh province, Nepal’s agricultural heartland. From mid-2024 to mid-2025, authorities recorded nearly 15,000 human-wildlife conflict incidents in the region alone, resulting in 134 human deaths and 457 animal fatalities. The problem is escalating as wildlife habitats shrink and animals increasingly venture into farming areas seeking food.

Despite government promises of relief for crop damage, farmers face bureaucratic obstacles that make compensation nearly impossible to obtain. When wild boars destroyed Prasai’s stored maize last year, forest officials directed him to obtain recommendation letters from local municipal offices before applying for relief. The process proved so complex and time-consuming that Prasai abandoned his claim entirely. “We simply don’t have the time,” he explains, noting that even farmers who completed the paperwork still haven’t received compensation.

This administrative maze leaves farmers caught between protecting endangered wildlife and securing their livelihoods, highlighting the urgent need for streamlined relief systems that can address both conservation goals and rural economic survival.

The post Nepalese Farmers Battle Sleepless Nights as Wildlife Destroys Crops While Government Relief Remains Out of Reach first appeared on EnviroLink Network.

Getting into your comfort zone: easy steps to an electric, snug and sustainable abode

6 June 2026 at 01:00

Australians are world leaders in rooftop solar and home batteries - but greater energy efficiency could make them a triple threat

  • Change by degrees offers life hacks and sustainable living tips each Saturday to help reduce your household’s carbon footprint

  • Got a question or tip for reducing household emissions? Email us at changebydegrees@theguardian.com

For David and Ruth Hudspeth, the process of turning their 1950s brick veneer house in Melbourne’s eastern suburbs into a cosy, efficient and fully electric home took several years.

They started with insulation in the ceiling and replacing an old and “pretty dangerous” gas heater. They swapped their leaky hot water system for a heat pump, and built a roof over the outdoor deck for shade and extra solar panels, later adding an electric car and a home battery into the mix.

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© Photograph: Getty Images

© Photograph: Getty Images

© Photograph: Getty Images

Scramble for biofuel as oil prices rise ‘could push world closer to food crisis’

Experts say increased use of crops for fuel is ‘dangerous game’ that could send food price inflation soaring

Demand for biofuels is likely to leap by nearly a third this year, which could send food price inflation soaring further and push the world closer to a global food crisis.

More countries are opting to increase biofuel use as the price of oil has jumped to nearly $100 a barrel after the US-Israeli attacks on Iran and the closure of the strait of Hormuz.

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© Photograph: Brazil Photos/LightRocket/Getty Images

© Photograph: Brazil Photos/LightRocket/Getty Images

© Photograph: Brazil Photos/LightRocket/Getty Images

Rights groups renew call to free jailed Cambodian environmental activists

5 June 2026 at 03:51
BANGKOK — Seven hundred days after activists from the environmental group Mother Nature Cambodia were imprisoned on charges widely regarded as retaliatory for their activism, 73 international and Cambodian civil society organizations have renewed calls for their unconditional release. After a trial lasting just over a month, 10 activists from Mother Nature Cambodia were sentenced on July 2, 2024, to between six and eight years in prison. Only five of the defendants attended the hearings, which saw Long Kuntha, 28, Ly Chandaravuth, 26, Phuon Keoraksmey, 25, and Thun Ratha, 34, each sentenced to six years behind bars for plotting against the government; fellow activist Yim Leanghy, 36, received an eight-year sentence for both plotting against the government and insulting the king. The five activists who did not attend the trial were sentenced in absentia. The appeals hearing for all 10 convicted activists was slated to take place on June 2, but has been postponed indefinitely by the Phnom Penh Court of Appeals. “The MNC5 are incarcerated in prisons in overcrowded and harsh living conditions, separated from each other and spread out all across Cambodia, hundreds of kilometers away from their families and legal counsel,” wrote the 73 NGOs in an open letter addressed to Prime Minister Hun Manet. “The … NGOs who have signed this letter sincerely request you take immediate action to ensure the unjust convictions of these five activists are reversed either prior to or at their upcoming appeals court hearing in Phnom Penh, and that their freedom…This article was originally published on Mongabay

Trump uses wartime powers to dole out $700m to ‘clean, beautiful’ coal

US president announces plans for two new coal plants, in Alaska and West Virginia, using Defense Production Act

Donald Trump is using wartime presidential authority to hand $700m to coal-fired power plants in the US, the latest move by the president to bolster what he called “clean, beautiful coal”, despite it being the dirtiest of fossil fuels.

“Today, we’re taking historic action to bring down the price of energy and the cost of living for all Americans with the power of clean, beautiful coal,” he said at a press conference on Thursday.

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© Photograph: Adrees Latif/Reuters

© Photograph: Adrees Latif/Reuters

© Photograph: Adrees Latif/Reuters

Using bacteria to fight fungal brown rot

4 June 2026 at 12:00

Brown rot is a common fungal disease in the Southeastern United States that affects stone fruits like peaches, cherries, and plums. Monilinia fructicola is a tan, fuzzy fungus that grows on tree flowers, twigs, and fruit, and is the most common cause of brown rot. Once brown rot infects a tree, the damage is irreversible, causing significant crop losses in commercial orchards. Farmers try to control the spread of M. fructicola by applying chemical sprays, called fungicides, to fruit trees in the spring.

In M. fructicola, a biosynthesis gene named MfCYP51 encodes a major protein critical to the fungi’s survival. Certain fungicides, called demethylation inhibitor (DMI) fungicides, stop M. fructicola from growing by targeting this protein. Over the last 20 years, DMI fungicides have become less effective against brown rot as M. fructicola becomes more resistant. 

Living microorganisms and their metabolites can control fungal diseases as an alternative to chemical fungicides, known as biofungicides. Many bacteria produce compounds like hydrogen cyanide and pyrrolnitrin that damage fungal cells. However, scientists have not found a biofungicide suitable for commercial production.​ A group of researchers at Clemson University in the USA and Huazhong Agricultural University in China set out to test whether the soil bacteria Pseudomonas chlororaphis and Bacillus subtilis could be effective biofungicides against brown rot. 

The researchers performed an incubation experiment to analyze how the fungal cells make their critical protein from the MfCYP51 gene, a process called gene expression, under different fungicide treatments. They used 3 M. fructicola strains sensitive to traditional DMI fungicides and 3 resistant strains. They tested these with 5 different fungicide treatments: a DMI fungicide, a mixture of P. chlororaphis metabolites, a mixture of living B. subtilis cells, a DMI fungicide + P. chlororaphis metabolites, and a DMI fungicide +  B. subtilis cells. They also set up a control treatment with sterile water instead of fungicide.  

After 6 hours, the researchers extracted the molecule that measures gene expression, called RNA, from the fungi. They found that both the P. chlororaphis treatment and the DMI fungicide + P. chlororaphis treatment substantially reduced MfCYP51 expression in both the sensitive and resistant isolates compared to the controls. In contrast, the DMI fungicide, B. subtilis, and DMI fungicide + B. subtilis treatments increased MfCYP51 expression in the resistant isolates. The researchers concluded that P. chlororaphis has a unique ability to reduce gene expression, unlike other biofungicides.

​To further investigate how the biofungicide treatments work, the team tested whether P. chlororaphis and B. subtilis produced the anti-fungal metabolite pyrrolnitrin. They added 1 milliliter of each treatment to a machine that separates and identifies liquid compounds using high pressure, called a high-performance liquid chromatograph. They found that the P. chlororaphis treatment contained pyrrolnitrin, so they hypothesized that it was responsible for reducing gene expression.

Additionally, the researchers tested their 5 treatments on brown rot in fruit. For each treatment, they took 10 Gala apples, washed and sterilized their surfaces, and sprayed them with the fungicides. After 24 hours, they poked holes in the apples with toothpicks and added 20 microliters of liquid containing M. fructicola cells to the poked holes. They placed the apples in a humid chamber for 5 days and measured the number and size of brown rot spots that developed on their surfaces. 

Despite decreasing MfCYP51 expression, ​the researchers found that P. chlororaphis treatment alone didn’t reduce brown rot disease compared to the control, but the DMI fungicide and B. subtilis treatments did. The mixed treatments of DMI fungicide + P. chlororaphis and DMI fungicide + B. subtilis both reduced brown rot disease compared to the control, but only the DMI fungicide + P. chlororaphis treatment prevented it. 

​The researchers concluded that although biofungicides may not be fully effective on their own, commercializing them could allow farmers to use less DMI fungicide. They explained that scaling back the use of DMI fungicides would slow M. fructicola resistance. Finally, they proposed that future researchers test biofungicide mixtures containing pyrrolnitrin in the field to observe real-world effects on stone fruit trees.

The post Using bacteria to fight fungal brown rot appeared first on Sciworthy.

Urban Light Pollution Might Be Worsening Allergies

4 June 2026 at 21:12
Light pollution prompts plants to shed pollen longer and stronger, according to new research.

© Amir Hamja for The New York Times

A study found that trees in cities with brighter lights start producing pollen earlier in the spring and finish later in the fall, adding up to 130 days per year to the allergy season.
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