Topics tagged with 'Science'
New study: nitrogen runoff strategies complicated by climate change
10 Aug 2023
As climate change progresses, rising temperatures may impact nitrogen runoff from land to lakes and streams more than projected increases in total and extreme precipitation for most of the continental United States.
Ancient lake microbes caused global warming during ice age
9 Aug 2023
Global warming is not just a modern issue, but has occurred numerous times over Earth's history, with one event happening 304 million years ago during the Late Paleozoic Ice Age.
More efficient than natural photosynthesis – new photocatalytic system converts carbon dioxide into valuable fuel
9 Aug 2023
A joint research team from the City University of Hong Kong and collaborators recently developed a stable artificial photocatalytic system that is more efficient than natural photosynthesis.
‘Virtually certain’ extreme Antarctic events will get worse without drastic action, scientists warn
9 Aug 2023
Record low sea ice levels, the collapse of ice shelves, and surface temperatures 38.5C above average cited as concerns in new review.
How to maximise mangroves as climate and community solution
9 Aug 2023
Mangroves’ capacity to store up to five times more carbon than upland tropical forests — makes them a powerful natural solution for reducing greenhouse gas emissions.
Ocean heat record broken, with grim implications for the planet
7 Aug 2023
The oceans have hit their hottest ever recorded temperature as they soak up warmth from climate change, with dire implications for our planet's health.
NZ needs better emissions data: research
3 Aug 2023
New research shows that New Zealand isn't doing enough to keep track of greenhouse gas emissions and climate change mitigation, with lacking data and modelling capacity in some sectors.
Auckland researchers get funding to test "cool roofs" in climate hot spots
3 Aug 2023
A trial led by Auckland scientists to test "cool roofs" in countries vulnerable to climate heating has received a massive boost, with funding from a $37 million pool.
Climate change made July hotter for 80% of humans on Earth
3 Aug 2023
Human-caused global warming made July hotter for four out of five people on Earth, with more than two billion people feeling climate change-boosted warmth daily, according to a flash study.
Cost pressures “intensifying” for Environment Commission
2 Aug 2023
The Parliamentary Commissioner for the Environment, Simon Upton, says his office will likely need more funding soon.
Greenland ice sheets are weaker to climate change than we thought
1 Aug 2023
A new study suggests the ice sheets could be much more sensitive to human-driven climate change than previously estimated.
Effects of climate change increasing in Asia, WMO says
28 Jul 2023
Extreme weather events caused by climate change are on the rise in Asia and bound to affect food security and the continent's ecosystems, the World Meteorological Organization said.
Sucking CO2 out of the atmosphere can’t undo all the effects of climate change
28 Jul 2023
Climate change turns more places into deserts. Sucking CO2 out of the air can’t undo all the damage.
IPCC: Scottish professor to lead top global climate body
27 Jul 2023
A Scottish scientist has been chosen to lead one of the world's most influential climate change bodies.
Vital Atlantic Ocean current could collapse as soon as 2025
26 Jul 2023
A study warns that the Atlantic meridional overturning circulation is close to a tipping point that would severely disrupt the climate – but other researchers say the timing is impossible to predict.
New scientific report identifies "the fingerprints of climate change"
26 Jul 2023
The fingerprints of climate change are all over the intense heat waves gripping the globe this month, an international study has found.
Antarctic sea ice levels dive in 'five-sigma event', as experts flag worsening consequences for planet
25 Jul 2023
This winter has confirmed what scientists had feared — the sea ice around Antarctica is in sharp decline, with experts now concerned it may not recover.
New machine learning-based model boosting Africa's preparedness climate change
24 Jul 2023
Scientists have unveiled a first-ever weather forecasting model using artificial intelligence and machine learning solutions to help vulnerable African countries build resilience to climate impacts.
Scientists unveil the key site that shows we’re in a new climate epoch
20 Jul 2023
The holy grail for understanding the start of the Anthropocene lies at the bottom of a lake in Canada.
Deep sea mining can have detrimental long-term impacts: new research
19 Jul 2023
A deep sea mining test that lasted just two hours may have reduced fish and shrimp populations in the surrounding area a year after the event, according to international research.
Research into biofilters to cut agricultural methane
18 Jul 2023
Researchers in the South Island are looking at on-farm biofilters to convert potent agricultural methane into carbon dioxide - a much less potent gas in terms of global heating.
‘Things don’t always change in a nice, gradual way’
17 Jul 2023
Climate change feels more real now than ever and it’s getting hard to keep track of all the overlapping climate disasters.
Scientists call on govt to develop climate-friendly national food strategy
13 Jul 2023
The directors of six National Science Challenges are joining calls to the government to develop a national food strategy for New Zealand - one that will help reduce emissions as well as increase resilience to the climate crisis.
Oceans are turning greener due to climate change
13 Jul 2023
More than half of the world’s oceans have become greener in the past 20 years, probably because of global warming.
Global temperature rises in steps – here’s why we can expect a steep climb this year and next
12 Jul 2023
By Kevin Trenberth | Global warming took off in the mid-1970s when the rise in global mean surface temperature exceeded natural variability.
Climate researchers look for answers in the deep ocean
12 Jul 2023
Scientists are using four autonomous robots at depths of up to 6 km along the Kermadec Trench, in the southwest Pacific, to research how climate change is affecting deep ocean processes.
Turbulence has increased with climate change since 1979 - study
10 Jul 2023
Fasten your seat belts and get ready for yet another potential impact of climate change: bumpier airplane rides.
Seaweed may not be the climate solution we hoped for
5 Jul 2023
To sink just 1 gigaton of carbon emissions a year, recent simulations suggest massive seaweed farms would have to cover 1 million square kilometers of the ocean's most productive areas.
Improving soil could keep world within 1.5C heating target, research suggests
5 Jul 2023
Marginal improvements to agricultural soils around the world would store enough carbon to keep the world within 1.5C of global heating, new research suggests.
Govt funds research into microalgae as low carbon protein
4 Jul 2023
The government is funding research into native microalgae as a low-carbon protein, which it hopes could lead the way for an entirely new food industry at the same time as capturing carbon.
Asparagopsis seaweed: scientists call for stricter oversight in livestock sector
4 Jul 2023
Safety concerns have been raised about the native seaweed asparagopsis, which is now being commercialised to help farmers reduce methane emissions in sheep and cattle.
Could El Niño cause Earth’s warmest year ever?
30 Jun 2023
Media release - NIWA - Over the past three years, you may have heard about the rare ‘triple-dip’ La Niña that had its hands on the steering wheel of Mother Nature’s car.
Climate crisis linked to rising domestic violence in south Asia
30 Jun 2023
As deadly heatwaves sweep through cities in India, China, the US and Europe amid the climate crisis, new research has found that rising temperatures are associated with a substantial rise in domestic violence against women.
Climate change is turning snow to rain and raising risk of floods
30 Jun 2023
Warmer temperatures increase the amount of precipitation that falls as rain instead of snow, leading to more extreme rainfall in snowy places.
China’s solar is now at twice the capacity of its coal power – report
30 Jun 2023
Solar is growing at 33.7% year-on-year and is now at twice the capacity of coal power in China, according to a new report.
Big herbivores could help save the tundra from rising heat and shrinking ice—if they can survive themselves
29 Jun 2023
Scientists in Greenland found that tundra vegetation fares better when caribou and muskoxen are around to dine on encroaching, heat-loving shrubs.
Scientists researching cloud brightening in bid to cool Great Barrier Reef
28 Jun 2023
Queensland scientists who have been altering clouds with tiny particles to try and limit the effects of global warming are presenting their findings for the first time this week.
Marine heatwaves worsening: new research
27 Jun 2023
Researchers are calling for better monitoring of Aotearoa’s near-shore coastal ecosystems, with marine heatwaves growing more extreme, leading to more severe impacts.
Solar-powered fuel cell recycles plastic waste and carbon dioxide
22 Jun 2023
By combining a solar fuel cell that converts carbon dioxide into fuel with a plastic recycling system, researchers can create sustainable fuels and useful chemicals.
Best by the rest...
16 Jun 2023
In our weekly round-up of the best climate coverage in local media: Antarctic tipping points: the irreversible changes to come if we fail to keep warming below 2℃, climate change minister says NZ must pick a team; and warming seas threaten Māori food sources.
New indicators will track climate change between IPCC reports
16 Jun 2023
The latest assessment of the climate system paints a stark picture of how human activity has led to unprecedented changes across the climate system.
New research looks at methane-munching microorganisms in forest soils
15 Jun 2023
Scientists are working on new research into how much methane is consumed by microorganisms in New Zealand’s planted forest soils - and what potential these soils have to counteract the country’s outsized agricultural emissions.
North Atlantic temperature anomaly sparks concern among climate scientists
15 Jun 2023
The combination of long-term ocean warming from human emissions plus short-term natural variation is thought to be responsible.
Blue carbon: could a solution to the climate challenge be buried in the depths of fiords?
12 Jun 2023
The Conversation - Cyclone Gabrielle has highlighted forestry slash as a problematic aspect of relying on plantation forests to draw down carbon dioxide (CO₂) from the atmosphere.
Climate change is causing more turbulence on flights, say scientists
12 Jun 2023
Clear-air turbulence was long predicted to increase under climate change, but a new study from Reading University has painted the most detailed picture yet of the effects kicking in.
Saving tigers helped reduce India’s carbon emissions
12 Jun 2023
Research shows that tiger conservation interventions prevented forest loss, leading to reduced emissions and ecosystem benefits.
Best by the rest...
9 Jun 2023
In our weekly round-up of the best climate coverage in local media: Climate scientist James Renwick says, on a finite planet, never-ending growth of anything is unsustainable; National says He Waka Eke Noa is “dead”; and Taranaki council wants seabed mining banned.
GHG emissions: Earth is warming faster than ever
9 Jun 2023
Greenhouse gas emissions are at an all-time high, with yearly emissions equivalent to 54 billion tonnes of carbon dioxide.
El Niño planet-warming weather phase has begun
9 Jun 2023
A natural weather event known as El Niño has begun in the Pacific Ocean, likely adding heat to a planet already warming under climate change.
When were the Dry Valleys of Antarctica last wet?
30 May 2023
It’s a question that’s long puzzled Antarctic researchers, but Te Herenga Waka—Victoria University of Wellington adjunct lecturer Dr Marjolaine Verret may now have the answer.
Governments must vote in favour of moratorium on deep sea mining
Tue 29 Jul 2025
Media release - Greenpeace | The 30th session of the International Seabed Authority (ISA) has ended with Greenpeace saying governments are continuing to fall short in protecting the deep sea.
Does NZ need a national incentive scheme for wetlands?
Fri 25 Jul 2025
By Liz Kivi | An expert is calling for a national incentive programme to restore New Zealand’s wetlands and wants to stop schemes to drain these vital carbon-sequestering ecosystems.
NZ Post drops science-based climate target
8 Jul 2025
By Liz Kivi | NZ Post has dropped its science-based emissions reduction target of 42% by 2030 with no plans to replace it.
Airlines risk legal challenges by advertising jet fuel as “sustainable”, NGO warns
18 Jul 2025
Amid suspected fraud in the production of sustainable aviation fuel (SAF), a new report says the airline industry should stop calling all alternatives to kerosene “sustainable”.
Challenges persist in bid to mine the deep sea, even after boost from Trump
Tue 29 Jul 2025
After years of delay, the deep-sea mining plans of Canadian firm The Metals Company (TMC) now appear to be progressing as it pursues a controversial new path to securing a license to mine in international waters under U.S. jurisdiction.
Sustainability claims questioned as renewable diesel surges
14 May 2025
Critics are sceptical about industry claims of renewable diesel life-cycle greenhouse gas emission cuts and warn renewable diesel carbon releases will surge if sourcing is scaled up, triggering tropical deforestation as producers convert forests to energy crops, such as oil palm and soy.
Is extending Huntly power station to 2035 in consumers’ best interest?
22 Jul 2025
By Simon Orme | COMMENT: Genesis Energy is proposing a cartel to keep high-emitting Huntly Power Station in business to 2035. If extending Huntly has economic benefits, is a cartel necessary?
At least 30 killed and several missing as heavy rains and floods lash northern China
Wed 30 Jul 2025
Thousands of people were evacuated as the region, including the capital Beijing, braced for more rainfall overnight.
Bearish sentiment lingers for carbon market
11 Jul 2025
By Liz Kivi | The compliance carbon market could be set for a gradual upward trajectory, however unsold volume from the quarterly Emissions Trading Scheme auctions continues to act as ‘a price ceiling,’ according to an expert.
Multi-day protest continues at coal mine
Wed 30 Jul 2025
Bathurst Resources has been forced to truck coal from its Stockton mine as climate activists occupy coal buckets at the mine for a third day.
Forestry can be a big plus for sheep and beef farmers – but there are caveats
22 Jul 2025
By Keith Woodford | OPINION: These are good times for sheep and beef farmers with record product prices for meat, which is precisely why now is the time for sheep and beef farmers to be looking again at farm forestry.
Common low-grade clay strengthens low-carbon concrete
5 Jun 2025
Media release | Engineers at RMIT University have converted low-grade clay into a high-performance cement supplement, opening a potential new market in sustainable construction materials.
Cuts to climate finance put exports in jeopardy: Lawyers
23 May 2025
By Liz Kivi | The government has halved international climate finance, a move aid organisations describe as “devastating,” and which lawyers say could put our Paris Agreement commitments and export market access at risk.
NZ voluntary carbon market’s sad state
14 Jul 2025
By John O’Brien | OPINION: A combination of scandals, challenging economic times, and cheaper offshore carbon credits, mean that the domestic voluntary carbon market in New Zealand remains absolutely tiny.
Hiringa eyes green methanol plant near Whanganui
Tue 29 Jul 2025
By Pattrick Smellie | Green hydrogen pioneer Hiringa Energy is deep in planning to develop an “eight-to-nine figure” methanol plant near Whanganui, using a combination of biomass and hydrogen produced using renewable energy.
Key orange roughy population on verge of collapse, govt considers closure
9 Jul 2025
Media release - Deep Sea Conservation Coalition | New data reveals that New Zealand’s main orange roughy fishery, accounting for half of the country’s total catch, is on the brink of collapse, with one model showing it may have reached that point already, and the government’s considering closing it.
A third of ‘slum residents’ in global south are exposed to disastrous flood risks
Wed 30 Jul 2025
One in three people in informal settlements in the global south live in floodplains and are at risk of a “disastrous flood”.
Latest trawl bycatch numbers 'a grim wake-up call'
24 Jun 2025
Media release – Greenpeace | The latest fisheries bycatch data paints a grim picture, with trawlers hauling up thousands of kilograms of coral and killing hundreds of fur seals and seabirds over a 12 month period.
Wilding pines threaten Molesworth Station
Mon 28 Jul 2025
By Shannon Morris-Williams | Without increased support, the unchecked spread of wilding pines will continue to creep across Marlborough’s high country – putting iconic landscapes and one of New Zealand’s top five biodiversity hotspots at serious risk, according to an expert.
EV sales fall, but it’s complicated
Tue 29 Jul 2025
Imports of fully electric vehicles fell over 50% in value during the 12 months to June 2025, compared with the year ended June 2024, according to Stats NZ.
Watts talks big on energy reform, but barriers persist
29 May 2025
By Shannon Morris-Williams | Energy and Climate Change minister Simon Watts says the government is doubling down on efforts to boost renewable energy generation, streamline regulation, and drive private sector investment as New Zealand faces mounting energy security and affordability challenges.
SBTi releases Net Zero Standard for banks, investors
24 Jul 2025
The Science Based Targets initiative announced the release of its finalised Financial Institutions Net-Zero Standard, aimed at enabling banks and investors to set net zero-aligned targets for their lending, investing, insurance and capital markets activities.
NZ part of hidden global deep-sea network beneath the waves
Fri 25 Jul 2025
Media release - Earth Sciences New Zealand | A world-first study of marine life, including sea creatures found in New Zealand's dark, cold, pressurised ocean depths, has revealed that deep-sea life is surprisingly more connected than previously thought.
‘Ideological sludge’: How NZ is quiet quitting climate action
17 Jul 2025
New Zealand once stood out as a world leader on climate change. In June it became the first country in the world to abandon a commitment to phase out oil, gas and coal.
Methanex closure comes early this year
14 May 2025
The almost-now-annual closure of Methanex has come earlier this year, giving more confidence that the electricity system will get through the winter without a fuel shortfall.
Taranaki mayors want hydrogen kick-start from Wellington
Mon 28 Jul 2025
By Craig Ashworth, Local Democracy Reporter Taranaki mayors want central government to partner up with their councils to kick-start a hydrogen industry. This despite ongoing questions about the gas’s effectiveness in reducing carbon emissions.
Climate catastrophes are creating a ‘new market reality’ for insurance carriers
23 Jul 2025
Raging wildfires and severe storms contributed to record-high global insurance losses — totalling an estimated US$84 billion — for the first six months of the year.
Will NZ walk away from the Paris Agreement?
20 Dec 2024
By Geoff Bertram | COMMENT: Unless the government can find very cheap offshore mitigation, the temptation to walk away from its Paris Agreement obligations may well be too strong to resist for a coalition government focused on fiscal austerity.
The ICJ’s ruling means Australia and other major polluters face a new era of climate reparations
Fri 25 Jul 2025
By Harj Narulla | OPINION: Australia has found itself on the wrong side of history.
All aboard for passenger rail in the golden triangle
Mon 28 Jul 2025
Media release – The Future Is Rail | New Zealand’s national passenger rail advocacy group, The Future is Rail, has announced its strong support for the Green Party’s proposal to establish a new passenger rail service connecting Auckland and Tauranga.
Urgent action needed to get on track for climate goals - commission
Fri 25 Jul 2025
By Shannon Morris-Williams | New Zealand is making progress on reducing greenhouse gas emissions, but more work is needed – urgently – to set up for future reductions, according to the latest report from the Climate Change Commission.
NZ's latest climate target 'weak' – Climate Action Tracker
24 Jun 2025
By Shannon Morris-Williams | New Zealand's new international climate target to 2035 is weak, and could even allow for higher emissions than the 2030 target, according to a global scientific project that tracks government climate action.
Toxic algae are turning South Australia’s coral reefs into underwater graveyards
Tue 29 Jul 2025
Since March, a harmful algal bloom, fueled by a marine heat wave, has been choking South Australia’s coastline.
NZ govt’s fossil fuel plans could break international law
24 Jul 2025
By Liz Kivi | The government could be breaching international law with its plans to subsidise and expand fossil fuel extraction, following a ruling overnight from the world’s highest court.
Tipping points: Window to avoid irreversible climate impacts is ‘rapidly closing’
11 Jul 2025
In the midst of a record-breaking heatwave in Europe, the UK city of Exeter recently played host to the second international conference on “tipping points”.
‘Total infiltration’: How plastics industry swamped vital global treaty talks
Mon 28 Jul 2025
Petrostates and well-funded lobbyists at UN-hosted talks are derailing a deal to cut plastic production and protect people and the planet.
Media round-up
Fri 25 Jul 2025
In our round-up of the climate coverage in local media: Dairy conversions surge; Gore is hit with a drinking water crisis; meanwhile farming lobby groups Groundswell and Federated Farmers are up in arms about a plan to classify environmental impacts in the agriculture and forestry sector.
As US climate data-gathering is gutted, Australian forecasting is now at real risk
Wed 30 Jul 2025
As damage from climate change intensifies, political change overseas is threatening Australia’s ability to track what’s happening now, and predict what will happen next.
Activists sue US development bank over $4.6bn loan to massive Mozambique gas project
18 Jul 2025
Environmental groups claim loan is ‘unlawful’ in legal filing.
Straterra has a new name: the New Zealand Minerals Council
16 Apr 2025
Media release | Straterra has been renamed as New Zealand Minerals Council, says chief executive Josie Vidal.
China's carbon emissions may have peaked thanks to renewables push
Mon 28 Jul 2025
Climate experts say China's carbon emissions may have peaked, which could affect global climate targets, the fight against global warming – and the Australian coal industry.
Climate groups want UK wealth tax to make super-rich fund sustainable economy
17 Jul 2025
Growing number of campaigners urge government to ensure green investment is not done ‘on backs of the poor’.
Can robot taxis solve NZ's transport woes?
23 Jul 2025
By Shannon Morris-Williams | The Ministry of Transport has tested the idea of driverless taxis as a futuristic fix. But while new modelling explores how "robotaxis" could ease congestion and reduce car ownership, critics say it misses a crucial point – the country’s worsening transport emissions.
United Nations carbon market rules agreed but concerns remain
25 Nov 2024
New carbon market rules agreed at the fractious UN climate summit will be a relief to New Zealand and Singapore, who were leading the negotiations, but concerns about greenwashing and disadvantaging nature-based solutions remain.
Waste Levy risks becoming ‘slush fund’ under proposed changes – Commissioner
5 Jun 2025
By Shannon Morris-Williams | Proposed changes to New Zealand's waste legislation risk undermining public trust in the waste levy scheme, according to Parliamentary Commissioner for the Environment Simon Upton.
The struggle for control of the Arctic is accelerating - and it's riskier than ever
11 Jul 2025
As the battle for one of the world’s coldest places heats up, an increasingly fragile security balance may be breaking down, leading to an escalating arms race.
UN University report warns against carbon credits from REDD, tree planting, and improved forest management
13 Jun 2025
But the report stops short of recommending banning the trade in carbon temporarily stored in trees.
For the first time, China invests more in wind and solar than coal overseas
29 May 2025
China’s Belt and Road Initiative, long derided for its heavy carbon footprint, was dominated by wind and solar power projects for the first time from 2022 to 2023, according to a new analysis. But coal plants financed in earlier years are still coming online.
