Source: Save the Children
Universities – Microplastics pose threat to marine life – UoA
Microplastics are having toxic effects on tiny creatures on the seafloor – and the ripple effect could throw the marine environment out of balance, says University of Auckland research fellow Dr Yuxi You.
Her recent research shows a bamboo worm – Macroclymenella stewartensis – is less active and less able to mix sediment in the seabed when exposed to high levels of microplastics.
“When you go to the estuary, you might not see these tiny animals that live beneath the sediment, but you might notice the casting mounds they leave on the mudflats.
“Despite being well hidden, these creatures are vital for the functioning of the ecosystem.
“They help keep our coastal waters clean and able to support marine life,” says You, from the University’s Institute of Marine Science and Centre for Climate, Biodiversity and Society.
When healthy, the bamboo worm and other tiny creatures burrow in the seafloor, allowing oxygenated water to enter deeper into the sediment. This breathes life into the seabed.
The tiny worms eat organic matter, which regulates the levels of carbon and nitrogen in the sediment and surrounding waters.
When the worms deposit small piles of poo on the seabed, this provides nutrients for microscopic plants that live on the sediments and fuels coastal food webs, says You.
“If microplastics stop creatures on the seafloor performing their vital role of keeping the ecosystem in balance, the risk of algal blooms increases.
“Algal blooms can cause the marine environment to become anoxic, and in an environment with no oxygen, fish and other marine life can’t survive,” she says.
University of Auckland Marine Science Professor Simon Thrush, who supervised You’s research, says healthy marine sediments store carbon, acting as a buffer against climate change.
However, when sediments become unbalanced, they can release greenhouse gases, such as nitrous oxide and methane.
Tiny creatures that help keep the seabed healthy are therefore important for the health of the planet, he says.
“Microplastics are affecting the organisms that live in sediment and they’re part of our biodiversity.
“These organisms are hidden heroes that do a lot for us,” says Thrush.
While You’s study at Leigh Marine Laboratory north of Auckland showed the bamboo worms were less active when exposed to microplastics, it isn’t yet clear why.
It’s possible the worms eat plastic particles, absorb chemicals from plastics that leach into sediment, or have less food available because microplastics reduce the growth of the algae they feed on, she says.
Seabirds and eagle rays feed on worms and other tiny creatures in the seabed, so the harmful effects of microplastics can pass up the food chain, says You.
Thrush says the most common source of microplastics is vehicle tyres, while other major sources include polypropylene and polyester fibres from clothing, and polyethylene from plastic bottles and plastic bags.
People can help tackle the microplastic problem by reducing the amount of plastic they buy, picking up plastic rubbish on the beach, supporting harbour clean up groups, and buying clothing made of natural fibres, he says.
While the amount of plastics pouring into the marine environment has increased, recent research shows some microplastics degrade in sediments over time, he says.
Currently, there are no limits set for safe levels of microplastic pollution in New Zealand – and policies will be needed to manage the problem, Thrush says.
Clean coasts are “precious” to New Zealand communities, says You.
“We benefit from nature, so we need to protect it.
“Most people don’t think about small animals living in the seafloor, but they’re of equal importance to larger animals, such as dolphins and penguins, when it comes to keeping ecosystems healthy,” she says.
Save the Children Report: 15 years since devastating famine, Somalia faces new disaster – drought without aid
Source: Save the Children
NZ Drug Foundation – Overdose Good Samaritan Bill to be debated in Parliament
A law change that would provide legal protections for people seeking help in the event of an overdose could to be debated in Parliament for the first time tomorrow.
The Drug Overdose (Assistance Protection) Legislation Bill, a member’s bill in the name of Green MP Kahurangi Carter, would provide explicit protection for people who are seeking help for themselves or others in the event of an overdose or other ‘drug-related acute adverse reaction’.
The NZ Drug Foundation is welcoming the Bill, which is an example of what is often called an ‘overdose Good Samaritan law' internationally – something the charity has long advocated for.
The Foundation’s Executive Director Sarah Helm says that if passed, the law change will save lives.
“We lose almost three people a week to entirely preventable overdose – and we know that people aren’t seeking help because they fear getting in trouble,” she says.
A survey of people at risk of drug harm conducted by the Drug Foundation in 2025 found that almost 40% of respondents would be worried to call 111 if someone was experiencing an adverse reaction to drugs.
“If passed, this small law change will let us send a clear message that people should get help straight away and that they won’t get in trouble,” says Helm.
Helm points to several coronial findings in recent years that have highlighted witnesses’ hesitancy to call for help as a contributing factor in drug deaths.
“Some of the stories we’ve heard have been heartbreaking. The fact that in so many of these critical moments people are weighing up getting in trouble with the law versus getting help for their friends is just tragic.”
Helm says that she is hopeful Parliament will send the Bill to select committee so that MPs can hear evidence from the public and people who’ve been impacted by overdose while they scrutinise the Bill.
Notes:
At the time of writing, the Drug Overdose (Assistance Protection) Legislation Bill is the fourth members’ order of business on Parliament’s order paper. Subject to other business in the House, the Bill may not be debated until the next Members’ Day, or the first reading debate may be interrupted before a vote is taken.
Freight access protected during critical Tiniroto Road repairs
Source: Ia Ara Aotearoa Transporting New Zealand
Blood donation policy reform marks long-awaited step toward inclusion – Burnett Foundation
Source: Burnett Foundation Aotearoa
Events – Firefighters race it out on Wellington waterfront in UFBA national championship
Source: United Fire Brigades' Association
World Vision – Give a gift that gives twice this Mother’s Day
World Vision’s ethical gift catalogue offers New Zealanders a meaningful way to celebrate mums, while helping families around the world
This Mother’s Day, New Zealanders looking for a meaningful alternative to flowers or chocolates are being encouraged to choose an ethical gift that changes lives.
Gifts from World Vision New Zealand’s Gift Catalogue help deliver practical, life-changing support to millions of mothers and children worldwide facing hunger, displacement, and poverty.
Through the catalogue, shoppers can choose unique and ethical gifts that honour their special mum or mother figure while supporting families living in some of the world’s toughest places.
With prices starting from just $10 (which can provide lifesaving immunisations for a child), the practical and life-changing gifts make it easy for everyone to contribute to a brighter future for vulnerable children and mothers globally.
Popular gifts include fast-growing seeds so families can grow more food ($10); nutrition programmes for mothers and babies ($63); cooking classes to help fight malnutrition ($54); emergency food for children suffering hunger ($60); and support for women to start a business ($160). Larger gifts such as emergency shelter can also help families rebuild after disasters or conflict.
World Vision New Zealand’s National Director, TJ Grant, says Mother’s Day is the perfect opportunity to celebrate the care and compassion mothers show every day.
“Mother’s Day is about recognising the love and sacrifice of mums and mother figures in our lives. Choosing an ethical gift is a powerful way to celebrate that love while extending it to another family who may be facing incredibly difficult circumstances.
“These gifts provide practical support for women and children around the world — whether that’s access to nutritious food, education, healthcare, or the opportunity to earn an income and build a better future.”
Ethical gifts are designed to support both immediate needs and long-term change, helping communities strengthen food security, improve health outcomes, and create opportunities for women and girls.
Each gift comes with the option of a printed card or e-card, allowing the giver to share the story behind the gift with their mum on the day and explain how their present is helping families around the world.
To make a meaningful impact this Mother’s Day, visit the World Vision New Zealand Gift Catalogue at worldvision.org.nz/give-now/smiles-gift.
PSA – Snap rally outside Birthright Hutt Valley tomorrow to save the service
Source: PSA
Cost Builder – Fuel pressure building as construction costs hold steady
Construction price rises remain relatively contained, despite significant fuel pressures.
The latest QV CostBuilder monthly update incorporates more than 11,000 of the latest material price movements across six main centres, offering a detailed view of how construction costs are responding to current market pressures.
It shows that overall construction cost inflation remains relatively modest, with elemental and trade rates both increasing by an average of 0.3% between March and April 2026.
However, rising diesel costs – up 37.6% in a month and 109.8% since February – are continuing to flow through, particularly in fuel-intensive areas of work.
In the trades, excavation recorded the most significant increase this month, rising by 7.9% since QV CostBuilder’s last update. Piling and demolition also increased by 1.6% and 1.3% respectively, largely due to higher diesel prices.
Diesel costs also fuelled rises in the elemental costs, including a 2.2% increase in site preparation and a 1.9% increase in substructure costs, with exterior works also climbing 1.9% over the month partly for the same reason.
QV CostBuilder spokesperson and quantity surveyor Martin Bisset said fuel had emerged as the most significant construction cost driver this year, amid ongoing conflict in the Middle East.
“Fuel has really become the dominant cost driver in recent months. That’s where the most upward pressure on construction costs is coming from currently,” he said.
“What makes fuel different to other inputs is how broadly it feeds into the construction process – from machinery on site through to transport and materials – so the impact tends to build over time rather than show up all at once.”
“The key thing is that price pressure is building, even if it’s not fully reflected in headline cost increases just yet. Hopefully this will still be a short-term spike and price pressure will eventually ease,” he concluded.
CostBuilder is an online subscription-based building cost platform, powered by state-owned enterprise Quotable Value (QV).
It covers everything from the building costs per square metre for warehouses, schools, and office buildings, to the approximate retail supply cost of GIB and more than 8,000 other items, plus labour rates, labour constants, and more.
Visit QV CostBuilder at costbuilder.qv.co.nz.
