Topics tagged with 'Science'
How much can e-bikes reduce carbon emissions?
15 Jun 2022
E-bikes could take the place of enough car trips to cut transportation emissions in England by as much as 24.4 million metric tons of carbon dioxide per year, according to a new study. What’s more, the greatest per capita benefits of e-bikes—with the potential to shave more than 750 kilograms of carbon dioxide off a person’s annual carbon footprint—are seen in rural and exburban areas.
Tasmania's native forest logging sector the state's highest carbon emitting industry: report
15 Jun 2022
Based in Tasmania's Derwent Valley, Fiona Weaver's adventure tourism business trades on the reputation of Tasmania's pristine wilderness.
Plugging methane leaks is a powerful climate fix, so why aren't we doing it?
14 Jun 2022
The oil and gas industry is choking the atmosphere with a heat-trapping gas stronger than CO2 — despite cheap, fast and easy fixes.
Offshore methane gas leak spotted from space
13 Jun 2022
Scientists have for the first time used satellite data to detect a major offshore leak of the potent greenhouse gas methane, according to peer-reviewed research.
Carbon and health taxes on food can contribute to net-zero targets and improve quality of diets
10 Jun 2022
Combined carbon and health taxes on food products could significantly contribute to net-zero targets, while improving the quality of diets, a major new study shows.
Using Indigenous knowledge and Western science to address climate change impacts
9 Jun 2022
Traditional Owners in Australia are the creators of millennia worth of traditional ecological knowledge—an understanding of how to live amid changing environmental conditions. Seasonal calendars are one of the forms of this knowledge best known by non-Indigenous Australians. But as the climate changes, these calendars are being disrupted.
“Limited time:” World will lock in 1.5°C warming by 2025 without big emissions cuts
8 Jun 2022
The world faces a greater than 50 per cent chance of locking in global warming of more than 1.5°C unless greenhouse gas emissions can be dramatically reduced before 2025, new research suggests.
Floating solar power could help fight climate change
8 Jun 2022
Solar panels need to be deployed over vast areas worldwide to decarbonize electricity. By 2050, the United States might need up to 61,000 square kilometres of solar panels — an area larger than the Netherlands1. Land-scarce nations such as Japan and South Korea might have to devote 5% of their land to solar farms.
Feedback loops: How the ‘greening’ of the Alps could lead to more warming
8 Jun 2022
It seems like every year a report is released documenting the scale of snow or ice loss in the Arctic. But, what about the climate significance of rising temperatures in snowy regions nowhere near the Poles? A recent study from researchers at University of Lausanne and the University of Basel has explored this exact question as it pertains to the European Alps.
Record methane spike boosts heat trapped by greenhouse gases
2 Jun 2022
Greenhouse gases trapped 49 percent more heat in 2021 than in 1990, as emissions continued to rise rapidly, according to NOAA.
Cities need new types of pavement capable of absorbing a flood. This team has a customized recipe
2 Jun 2022
Climate change is altering rainfall patterns, making storms more intense in many locations. Meanwhile, more people are moving to cities around the world. The combination of those two trends adds up to an increased risk of urban flooding.
Climate change is happening faster than expected, study shows
1 Jun 2022
Climate change is accelerating so quickly that the southern hemisphere is already experiencing intense winter storms originally predicted for 2080, says an Israeli research team.
Yes, you can save lives by planting trees, a new study says
1 Jun 2022
It’s hard not to love trees. They provide us with shade during the scorching heat of summer, help clean the air and water, and improve our physical and mental well-being. Now, a recent study has found that boosting urban greenery — including trees, shrubs, and other plants — could also save tens of thousands of lives in cities across the USA.
Switching to plant-based cheese can reduce carbon emissions by 50% compared to the dairy version
1 Jun 2022
A life cycle evaluation used to determine environmental impacts, including indicators for climate impact and land use, has revealed that ordinary cheese is a major cause of carbon emissions.
11,000 litres of water to make one litre of milk? New questions about the freshwater impact of NZ dairy farming
30 May 2022
By Mike Joy - The Conversation | Water scarcity and water pollution are increasingly critical global issues. Water scarcity is driven not only by shortages of water, but also by rendering water unusable through pollution. New Zealand is no exception to these trends.
Are EV range limitations a technological problem…or a psychological one?
26 May 2022
Giving people individualized information about how an electric car’s range matches up with their driving habits makes people more willing to buy an electric vehicle, according to a new study.
'A sign of things to come': India and Pakistan heatwave made 30 times more likely by climate change, study finds
25 May 2022
The savage heatwave that has scorched India and Pakistan in recent months was made more likely by climate change and is a harbinger of the region's future, scientists have said in a new study.
Redwood could help NZ reach net-zero: Scion
24 May 2022
Redwood could be a carbon capture hero for New Zealand, sequestering double the amount of CO2 captured by pine in some areas, according to new research.
Sharp cut in methane now could help avoid worst of climate crisis
24 May 2022
Cutting methane sharply now is crucial, as focusing on carbon dioxide alone will not be enough to keep rising temperatures within livable limits, scientists have warned.
Kiwi founded company aiming to shake up global carbon markets
23 May 2022
By Liz Kivi | A Kiwi founded tech company, launched last month, is aiming to revolutionise the global carbon market with new technology that can accurately measure emissions in real-time and is much cheaper than current methods.
For wetland plants, sea-level rise stamps out benefits of higher carbon dioxide
20 May 2022
Wetlands across the globe are in danger of drowning from rising seas. But for decades, scientists held out hope that another aspect of climate change—rising carbon dioxide (CO2)—could trigger extra plant growth, enabling coastal wetlands to grow fast enough to outpace sea-level rise. That helpful side effect is disappearing, they discovered in a new study published May 18.
Is California giving its methane digesters too much credit?
20 May 2022
Every year, California dairy farms emit hundreds of thousands of tons of the potent greenhouse gas methane, which gets released when livestock operations pool manure in open-air lagoons.
Meet the experts behind NZ’s first national space mission
19 May 2022
Media Release - Experts behind New Zealand’s first government-funded space mission partnership, MethaneSAT, will come together to talk about the project in a free event for Techweek at the University of Auckland tomorrow 20 May).
Air pollution "largest existential threat to human and planetary health"
19 May 2022
Since the turn of the century, global deaths attributable to air pollution have increased by more than half, a development that researchers say underscores the impact of pollution as the “largest existential threat to human and planetary health.”
The simple act of spreading rock dust on farms is an overlooked but tantalizing climate solution
19 May 2022
The simple act of sprinkling rock dust—an abundant byproduct of mining—on farmland could capture 45% percent of the carbon dioxide required to help the UK meet its 2050 net-zero targets.
Microplastics could worsen climate change
18 May 2022
By Liz Kivi | An environmental physicist says plastics could be influencing climate change, potentially compounding the effect of greenhouse gases.
Livestock methane emissions tackled by Western Australian company with 'inorganic bioactives'
17 May 2022
A Western Australian company claims to have produced bioactives in a laboratory that could reduce livestock methane emissions by up to 95%.
Even if we miss the 1.5°C target we must still fight to prevent every single increment of warming
13 May 2022
Is it game over for our attempts to avert dangerous climate change? For millions of people in India and Pakistan the answer is clearly yes as they continue to suffer from a record-breaking spring heatwave that is testing the limits of human survivability.
Trees aren’t a climate change cure-all – 2 new studies on the life and death of trees in a warming world show why
13 May 2022
The results of two studies published in the journals Science and Ecology Letters on May 12, 2022 – one focused on growth, the other on death – raise new questions about how much the world can rely on forests to store increasing amounts of carbon in a warming future. Ecologist William Anderegg, who was involved in both studies, explains why.
It’s easier to break a bog than to repair it—but it’s still a carbon bargain.
12 May 2022
What do bogs in Indonesia and mangrove forests in Central America have in common? They are both powerful carbon sponges, capable of sucking up greenhouse gases at up to five times the rate of a forest. And they are both disappearing at alarming rates.
'Fifty-fifty chance' of breaching 1.5C warming limit
11 May 2022
UK Met Office researchers say that there's now around a fifty-fifty chance that the world will warm by more than 1.5C over the next five years.
Atmospheric CO2 hits another all-time high
10 May 2022
Atmospheric carbon dioxide levels measured at Hawai’i’s Mauna Loa Observatory breached 420 parts per million (ppm) in April for the first time in human history.
Best by the rest...
6 May 2022
In our Weekly round-up of the best climate coverage in the local media: Sea levels are rising and Kiwi communities are sinking - who will pay for the damage? And Green MP Chlöe Swarbrick argues for collective responsibility on climate change.
Tropical vegetation benefits less from elevated atmospheric carbon dioxide than researchers previously thought
6 May 2022
Carbon dioxide is known to have a fertilizing effect on plant growth, and the gas is often added to greenhouse crops to help improve yields.
Gene-editing breakthrough could cut ruminant methane
6 May 2022
Scientists have successfully switched on a plant gene in feed crops that could help reduce methane emissions from cattle and sheep.
Heat, drought, fire, hunger: studies portend ‘ferocious’ conditions as ecosystems shift
5 May 2022
The big heat hit India earlier than usual: temperatures of 44°C in April have almost certainly hammered hopes for a generous wheat harvest in the subcontinent. Even before the month was over, desperate citizens were yearning for dust storms to darken the skies and lower the temperature.
Tasmania goes net carbon negative by reducing logging
4 May 2022
Tasmania has become one of the first jurisdictions in the world to reduce their carbon dioxide (CO2) emissions and increase removals to become net carbon negative, according to new research from The Australian National University (ANU) and Griffith University.
Tree loss in tropics casts doubt over climate goals
3 May 2022
Tropical regions of the world lost 11.1 million hectares of forest cover in 2021, new data shows, calling into question global pledges to end deforestation by 2030.
Sea level rise the stuff of nightmares
2 May 2022
By Jeremy Rose | In the early 1990s I bought by first house – one of the original houses in Wellington’s Owhiro Bay. I still occasionally have a nightmare where the sea is washing through my lounge.
Satellites detect cow burps from space
2 May 2022
Satellites have detected methane emissions from belching cows at a California feedlot, marking the first time emissions from livestock - a major component of agricultural methane - could be measured from space.
Unchecked global emissions on track to initiate mass extinction of marine life
29 Apr 2022
As greenhouse gas emissions continue to warm the world's oceans, marine biodiversity could be on track to plummet within the next few centuries to levels not seen since the extinction of the dinosaurs, according to a recent study in the journal Science by Princeton University researchers
Climate change will drive new transmission of 4,000 viruses between mammals by 2070
29 Apr 2022
A new peer-reviewed study published Thursday in the journal Nature found global warming will drive 4,000 viruses to spread between mammals, including potentially between animals and humans, for the first time by 2070.
Designers of cow face mask that neutralises emissions from belching win £50k Prince Charles prize
28 Apr 2022
A face mask for cows that neutralises the climate-heating gas methane in their belches has won a design award from Prince Charles and designer Sir Jony Ive.
Rich countries need to decrease meat consumption by 75%: new research
27 Apr 2022
New findings published in the Annual Review of Resource Economics suggest a 75% drop in meat consumption is necessary to meet climate targets.
Florida company wants to use your dead body to fight climate change
22 Apr 2022
A nonprofit in Florida has a unique, eco-friendly way to restore coral reefs while simultaneously providing an eternal resting place to those whose final wish is to use their remains to benefit marine habitats impacted by climate change.
Climate change linked to fewer bugs: study
21 Apr 2022
The insects that keep the world running by pollinating plants and supporting food chains face grave risks, a new study has found.
The surprising climate cost of the humblest battery material
20 Apr 2022
Graphite is made in blazing-hot furnaces powered by dirty energy. Until recently, there has been no good tally of the carbon emissions.
A stocktake of ecological destruction
14 Apr 2022
The government’s latest stocktake of the state of the environment reads like an historical litany of ecological destruction.
COP26 promises will hold warming under 2C
14 Apr 2022
The carbon-cutting promises made at COP26 would see the world warm by just under 2C this century, according to a new analysis.
NASA's upcoming battery tech could recharge EV in 15 minutes
14 Apr 2022
NASA is reportedly building a groundbreaking electric car battery that is able to charge in just 15 minutes. For the development of this game-changing tech, NASA has teamed up with Japan's Nissan.
Lobby group launches ‘blueprint’ for ocean management reform
Thu 18 Sep 2025
The Environmental Defence Society yesterday released its plan to tackle widespread ecological decline in our oceans.
Carbon price steady after failed quarterly auction
Tue 16 Sep 2025
By Liz Kivi | The carbon price has continued to trade in its familiar moribund range in the high $50s following last week’s failed quarterly auction, with ample supply still trading on the secondary market at about $10 below this year’s $68 auction floor.
NZ needs to be part of a regional SAF strategy: Z, Air NZ
9 Sep 2025
By Pattrick Smellie | New Zealand needs to be part of a regional strategic approach to sourcing sustainable aviation fuel (SAF), with domestic production less the aim than ensuring access to the fuel from one of a number of strategically positioned bio-refineries around the world.
'Non-negotiable' – EU carbon pricing to hit Kiwi exporters, expert warns
11 Sep 2025
By Shannon Morris-Williams | High carbon exports will inevitably face a high carbon tax at the EU border, possibly in the next five years, and high methane agricultural products might not be exempt, an international expert told a local audience yesterday.
UK foreign aid for nature hits £800m record due to cash for carbon credits
Tue 16 Sep 2025
The UK’s climate-aid spending on “nature protection and restoration” reached record levels of nearly £800m last year, according to government figures obtained by Carbon Brief.
Air NZ declares surprisingly low SAF prices
3 Sep 2025
By Pattrick Smellie | Air New Zealand is able to source sustainable aviation fuel at between 1.5 and 2.5 times the price of conventional fossil fuels used for flying, all sourced from the US.
No bidders front to carbon auction - again
10 Sep 2025
By Liz Kivi | Today’s quarterly carbon auction was a non-event yet again, making it the third consecutive auction this year with no bidders, with the secondary market price still limping along at nearly 20% below the auction floor.
IEA reiterates ‘no new oil and gas needed’ if global warming is limited to 1.5C
Thu 18 Sep 2025
The world would not need to invest in new oil and gas projects if demand for the fuels fell in line with the 1.5C limit on global warming, says the International Energy Agency.
'Atrocious' and 'bizarre': experts slam Act Party's climate policy
3 Sep 2025
By Liz Kivi | The Act Party is promising to challenge New Zealand’s Paris Agreement climate target, while the coalition Government’s other minor partner, NZ First, also says it wants to reevaluate the country’s commitment to the international treaty.
Industry struggles with double-digit power price hikes
Mon 15 Sep 2025
As power prices surge by double-digit amounts for the second year in a row, industrial users can’t keep absorbing cost increases, the Major Electricity Users’ Group says.
The merchants of doubt are back
3 Sep 2025
OPINION: If you don’t follow climate policy closely, you might not know that the Trump administration is launching an effort to overturn one of the most fundamental pillars of American climate policy.
Milestone for NZ Steel electrification
10 Sep 2025
By Pattrick Smellie | NZ Steel has passed an installation milestone for its new electric arc furnace, which will reduce emissions from the Glenbrook steel mill site by as much as one megatonne (1Mt) a year.
RMA to speed up fossil fuel consents
18 Aug 2025
By Liz Kivi | An energy lobby group has welcomed a last-minute amendment to the RMA that puts fossil fuels on the same footing as renewables, however a sustainable energy expert says the move “beggars belief.”
Watts not considering removing electricity from ETS
Tue 16 Sep 2025
Energy and Climate Change Minister, Simon Watts, says he is “not currently considering” removing electricity generation from the Emissions Trading Scheme, as proposed by NZ First Minister Shane Jones.
Gentailers told to behave as ministers weigh Frontier review
Wed 17 Sep 2025
The chief executives of Contact, Meridian, Mercury and Genesis met Energy and Climate Change Minister Simon Watts on Thursday for their regular monthly session.
Declining sea-ice is altering Antarctic food webs
11 Sep 2025
A new study shows a significant change in Antarctic phytoplankton over time that could cascade through the marine food web and affect the ocean’s capacity as a carbon sink.
Science cuts will hold back climate research
Wed 17 Sep 2025
By Liz Kivi | A crisis in government-backed science funding is worsening, with dire implications for climate research in New Zealand, according to experts from the scientific community.
Marginal drop in last year's regional emissions
27 Aug 2025
Regional greenhouse gas emissions were down slightly last year, with a fall in gas supply leading to a big drop in Taranaki, but more coal burnt leading to higher emissions in Waikato, according to new figures from Stats NZ
Indigenous forest 'islands' could help transition exotic plantations to native bush
11 Sep 2025
Native forest 'islands' within exotic plantations might be the key to transitioning plantations from exotic to Indigenous, according to new research.
Decline in global oil and gas field output accelerating, IEA says
Wed 17 Sep 2025
The decline in output from mature global oil and gas fields is accelerating amid greater reliance on shale and deep offshore resources.
A modest geothermal strategy
31 Jul 2025
By Pattrick Smellie | The Government has unveiled a far more modest geothermal energy strategy than its primary backer, Resources Minister Shane Jones, had sought.
Why mega-polluters have little to fear from the European Central Bank and its new climate policy
12 Sep 2025
The European Central Bank plans to raise borrowing costs for climate offenders – but a new FTM analysis shows that big polluters such as Shell will barely feel it.
Media round-up
5 Sep 2025
In our round-up of climate coverage in local media: The great methane debate; law change scuppers legal challenge to irrigation scheme consent; and what are the energy and climate implications of the $7.5 billion Amazon Web Services data centre deal?
Coal imports up 650%
12 Sep 2025
By Shannon Morris-Williams and Liz Kivi | Coal imports are up 650% as generators stockpile the most polluting fossil fuel ahead of next winter.
Hiringa eyes green methanol plant near Whanganui
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.
Media round-up
29 Aug 2025
In our round-up of climate coverage in local media: Changes to road user charges will increase New Zealand's emissions; Climate Change Minister Simon Watts promises better access to hazard data for homeowners; and Kiwis borrow over $1 billion in ‘green loans’ for heat pumps and electric cars.
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.
Young activists won a landmark state climate trial. Now they’re challenging Trump’s orders
Thu 18 Sep 2025
Young climate activists and their attorneys who won a landmark global warming trial against the state of Montana are trying to convince a federal judge to block President Donald Trump’s executive orders promoting fossil fuels.
Forest carbon stores massive blind spot - study
4 Sep 2025
By Shannon Morris-Williams | Aotearoa New Zealand’s planted forests hold significant deep soil organic carbon — with over half of it stored below 30 cm, and much of it over 1,000 years old.
Govt tweaks offshore energy bill with 'declared areas' model
Wed 17 Sep 2025
By Shannon Morris-Williams | The Government is making changes to the Offshore Renewable Energy Bill to address offshore wind developers' concerns about competing for space with other industries.
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.
A steady ocean pattern just failed for the first time ever observed
Wed 17 Sep 2025
The failure of the Gulf of Panama’s seasonal upwelling system has left scientists wondering what happens next.
Watts full-throated in National’s support for Paris
10 Sep 2025
By Pattrick Smellie | Climate Change Minister Simon Watts came to this week’s Climate Change and Business Conference with nothing to announce.
Govt resilience plan 'dangerous fantasy' - thinktank
29 Aug 2025
By Shannon Morris-Williams | An independent thinktank, whose members include former Prime Minister Sir Geoffrey Palmer and multiple academics, is warning that the government’s long-term resilience strategy ignores physical and energy realities and exposes Kiwi households and businesses to systemic failure.
‘Plastic Cup’ competitions are cleaning up rivers in Hungary
1 Sep 2025
Afloat on DIY boats, teams of volunteers have removed over 450 tons of plastic waste from the Danube and its tributaries.
Can certificates solve NZ's heavy vehicle emissions problem?
Thu 18 Sep 2025
By Shannon Morris-Williams | The Sustainable Business Council has launched a new framework for a national system to cut freight emissions.
Climate change collaboration and competition law
Thu 18 Sep 2025
By Pattrick Smellie | The revamped competition law regime needs to be able to take into account the benefits of companies that collaborate for action on climate change, says the panel that reviewed both the Commerce Commission and the Commerce Act.
Underestimating support for climate action limits political decision making, study says
8 Sep 2025
Research reveals huge disparity between perceived and actual willingness of public to contribute to fixing climate.
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.
One city’s race to ‘solarise everything we possibly can’
Thu 18 Sep 2025
Bordeaux is quickly transforming itself into France’s top solar-powered city, banking on innovations like transparent panels that preserve its historic architecture.
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’.
Ara Ake backs 13 projects to unlock NZ’s energy flexibility
11 Sep 2025
Media release | Ara Ake has approved over $600,000 in funding from the National Flex Discovery Fund for 13 flexibility service providers (FSPs).
Last minute change to oil and gas legislation over cleanup costs
31 Jul 2025
By Liz Kivi | The government is expected to repeal the oil and gas ban today, with a last-minute amendment handing discretionary power to two ministers over the controversial issue of decommissioning.
Most EU carmakers on track to meet emission targets: study
10 Sep 2025
Almost all European carmakers are on track to meet EU emission targets after winning a reprieve this year as electric vehicles (EV) sales pick up, a study showed.
Hotter, longer, more frequent: NZ’s escalating heat risk
26 Aug 2025
By Shannon Morris-Williams | Heat extremes in New Zealand will intensify faster than previously thought, according to a new study.
Echo Tech secures growth investment to tackle NZ's e-waste crisis
Mon 15 Sep 2025
Media release | Echo Tech Limited, New Zealand’s leading provider of e-waste recycling and IT asset recovery services, is proud to announce a strategic investment from growth equity firm Altered Capital.
La Niña set to prolong NZ hydro shortfall
9 Sep 2025
By Shannon Morris-Williams | With La Niña favouring a drier-than-normal spring across much of the South Island, hydro lakes are unlikely to recover without substantial rain and late snowmelt – keeping national storage levels below average.
Record UK wildfires have burned an area twice the size of Glasgow in 2025
12 Aug 2025
Wildfires have scorched more than 40,000 hectares of land so far this year across the UK – an area more than twice the size of the Scottish city of Glasgow.
Which countries are scaling solar and wind the fastest?
12 Sep 2025
The leaderboard is quite different depending on what metric you look at.
