Topics tagged with 'Science'
One in five Australian carbon credits junk: study
22 Sep 2021
About 20% of carbon credits created under the federal Coalition’s main climate change policy do not represent real cuts in carbon dioxide and are essentially “junk”, new research suggests.
NZ climate change plan a missed opportunity to save thousands of lives and billions of dollars
21 Sep 2021
The Climate Change Commission’s final advice to government fails to take account of the potential health benefits of climate change mitigation measures that have the potential to save thousands of lives and billions of dollars in health costs, according to a paper published in the New Zealand Medical Journal.
Deadwood releasing 10.9 gigatons of carbon every year
21 Sep 2021
Decaying wood releases around 10.9 gigatons of carbon worldwide every year, according to a new study by an international team of scientists.
CO2 shortage: why a chemical problem could mean more empty shelves
21 Sep 2021
As far as the environment goes, carbon dioxide is probably public enemy number one. This makes it all the more ironic that the UK is currently suffering from a shortage of the gas, which experts warn will affect a variety of industries, most notably food and drink.
New solar is cheaper to build than to run most existing coal plants
20 Sep 2021
Last week, BloombergNEF’s released estimates for its global benchmark that tracks the levelized cost of electricity, or LCOE, for utility-scale PV and onshore wind. The LCOE looks at the all-in cost to build, operate, and maintain power plants and then calculates the cost per megawatt-hour (MWh) of the energy produced based on all of those inputs.
Companies backing kelp may be rushing ahead of the science
20 Sep 2021
Sinking seaweed could sequester a lot of carbon, but researchers are still grappling with basic questions about reliability, scalability and risks.
What are the biophysical limits to growth?
17 Sep 2021
Steve Keen, one of the world's leading heterodox economists, is among a high-powered panel of multi-disciplinary experts debating the biophysical limits of growth next Monday.
Climate change not slowed by the COVID pandemic: UN
17 Sep 2021
The pace of climate change has not been slowed by the global COVID-19 pandemic and the world remains behind in its battle to cut carbon emissions, according to the United Nations.
Climate experts fear Aukus will dash hopes of China emissions deal
17 Sep 2021
The timing of the new defence deal between the US, UK and Australia has dismayed climate experts, who fear it could have a negative effect on hopes of a deal with China on greenhouse gas emissions ahead of vital UN climate talks.
This year's giant Antarctic ozone hole probably due to climate change
17 Sep 2021
A giant ozone hole has opened up over Antarctica this year. Already larger than the entire ice-covered continent, the ozone hole has surpassed the size of 75% of ozone holes measured since 1979 and is still growing. Scientists believe climate change might be the cause.
World’s first carbon-neutral fuel plant breaks ground in Chile
17 Sep 2021
Work has started on a pioneering wind farm on the Magellan Straits in southern Chile that will produce green hydrogen and help Porsche produce e-fuels, with Chilean energy minister Juan Carlos attending the groundbreaking ceremony.
Not a single G20 country is in line with the Paris Agreement on climate
16 Sep 2021
None of the world's major economies -- including the entire G20 -- have a climate plan that meets their obligations under the 2015 Paris Agreement, according to an analysis published Wednesday, despite scientists' warning that deep cuts to greenhouse gas emissions are needed now.
James Hansen warns rate of global warning set to double
16 Sep 2021
James Hansen, a climate scientist who shook Washington when he told Congress 33 years ago that human emissions of greenhouse gases were cooking the planet, is now warning that he expects the rate of global warming to double in the next 20 years.
Scientists call for 'fossil fuel non-proliferation treaty'
16 Sep 2021
"We, the undersigned, call on governments around the world to adopt and implement a Fossil Fuel Non-Proliferation Treaty, as a matter of urgency, to protect the lives and livelihoods of present and future generations." So begins an open letter from 2,185 scientists from 81 countries presented to the UN this week.
Australian bush fires belched out immense quantity of carbon
16 Sep 2021
The extreme bush fires that blazed across southeastern Australia in late 2019 and early 2020 released 715 million tonnes of carbon dioxide into the air — more than double the emissions previously estimated from satellite data, according to an analysis1 published today in Nature.
World now sees twice as many days over 50C
15 Sep 2021
The number of extremely hot days every year when the temperature reaches 50C has doubled since the 1980s, a global BBC analysis has found.
UN calls for 'repurposing' farm subsidies harming environment
15 Sep 2021
Farming subsidies worth around $500 billion doled out by governments every year must be repurposed, three UN agencies warned on Tuesday, citing the environmental and health damage they cause.
River Tamar allowed to flood farmland to help wildlife and climate
15 Sep 2021
Project to reverse Victorian-era reclamation creates rich, marshy land that can lock in carbon.
New Norwegian wind turbine five times more efficient
14 Sep 2021
Norwegian company Wind Catching Systems is developing a floating, multi-turbine technology for wind farms that could generate five times the annual energy of the world’s largest, single wind turbine.
The carbon footprint of a full English breakfast
14 Sep 2021
Over four-fifths of the English population say they enjoy a full English breakfast. But when food production accounts for a quarter of global greenhouse gas emissions, and 11% of UK emissions come from agriculture, it’s time to think critically about how we can reduce the impact of our breakfasts – without compromising on quality or taste.
Quantifying food-related global greenhouse gas emissions
14 Sep 2021
Global emissions from the production of animal-based food are about double the amount of emissions from plant-based food production, according to a model by international researchers.
Almost certainly the world's coolest climate change research centre
13 Sep 2021
Dorte Mandrup Arkitekter has revealed the first photographs of the Ilulissat Icefjord Centre, a climate research and visitor centre on Greenland's rugged coastal landscape.
Australia could phase out coal in a decade
10 Sep 2021
With coal prices reaching all time highs, professor economics John Quiggan argues its time for the lucky country to commit to phasing out coal within the next decade.
Harmonizing green incentives
10 Sep 2021
Thomas Pogge is an academic philosopher with a practical bent. His idea of a health impact fund was a practical solution to incentivise the development of drugs that would benefit those in poor countries. Now he's proposing a scheme tackle the problems of banks investing in fossil fuels in the developing world.
Fossil fuels must remain in ground to avoid missing Paris target
9 Sep 2021
A new study in Nature reports that oil, gas and coal production must begin falling immediately to have even a 50 percent chance of keeping global temperatures from rising more than 1.5 degrees Celsius.
Digital twins key to creating net-zero cities
9 Sep 2021
Digital twins of buildings and cities could become an essential tool in the battle against climate change, according to technology experts.
Around 10% of science grants go to climate related research
8 Sep 2021
In the midst of a self-declared climate emergency the government has committed around 10% of this year’s Endeavour Fund to projects tackling climate change.
Can land as carbon sink save us?
8 Sep 2021
Land-based climate mitigation and adaptation is fast becoming a central theme in the response to the climate crisis.
Carbon capture—dream or nightmare—could be coming. Or not.
8 Sep 2021
In early September, at an industrial facility located about 25 miles southeast of Reykjavik, Iceland, the Swiss company Climeworks will mark the opening of a new project named “Orca.”
Over 200 health journals urge world leaders to tackle “catastrophic harm”
7 Sep 2021
More than 200 health journals have called on governments to take emergency action to tackle the “catastrophic harm to health” from climate change.
Recalculating the social cost of carbon
7 Sep 2021
The social cost of carbon dioxide is one of the most influential indicators of climate change as it allows us to estimate the cost of greenhouse gas emissions to humanity.
Cataract surgery top target for reducing emissions in health care
6 Sep 2021
But Dr Jesse Gale, a Senior Clinical Lecturer at the University of Otago, Wellington, says reducing the carbon emissions of our most commonly-performed surgical procedure could also aid in the fight against climate change.
One billion kids at risk from climate change
6 Sep 2021
The #FridaysforFuture movement exploded in late 2018 after the now-famed teenage climate activist Greta Thunberg began a protest outside of the Swedish parliament. Her actions sparked global protests from children and young adults worldwide, telling adults that there was no point in attending school when their futures were in danger.
It's possible to both eradicate poverty and meet climate goals: study
6 Sep 2021
A new study has shown it's possible to both eradicate poverty and cut greenhouse gas emissions to the extent necessary to stay within 1.5 degrees of warming.
Climate change is threatening Komodo dragons
6 Sep 2021
Scaly and with forked tongues, Komodo dragons are the largest lizards to still walk the Earth. But their days here may be numbered because of climate change a new report claims.
Air quality improvements from COVID lockdowns confirmed
6 Sep 2021
Media Release - COVID-19 lockdowns brought rapid and “unprecedented” improvements in air quality in some parts of the world - but not enough to halt climate change caused by global warming, UN weather experts said on Friday.
Decaying forest wood releases 10.9 billion tonnes of carbon annually
3 Sep 2021
If you’ve wandered through a forest, you’ve probably dodged dead, rotting branches or stumps scattered on the ground. This is “deadwood”, and it plays several vital roles in forest ecosystems
UN says weather disasters becoming more frequent and costly
2 Sep 2021
The number of disasters, such as floods and heatwaves, driven by climate change have increased fivefold over the past 50 years, killing more than 2 million people and costing $3.64 trillion in total losses, a U.N. agency said yesterday.
Almost a third of world’s tree species face extinction: report
2 Sep 2021
Almost a third of the world’s tree species are at risk of extinction, while hundreds are on the brink of being wiped out, according to a new report.
Public confused by climate jargon
2 Sep 2021
If you’ve ever furrowed your brow trying to remember what “mitigation” meant, you’re not alone, a new study has found.
Forced farm buy outs mooted in Netherlands
31 Aug 2021
One solution to reduce the Netherlands’ nitrogen compound emissions would be for the state to buy out farmers, according to experts.
Is deep-sea mining a cure for the climate crisis or a curse?
30 Aug 2021
Trillions of metallic nodules on the sea floor could help stop global heating, but mining them may damage ocean ecology, the Observer's Robin McKie reports.
Has methane-free vegan icecream arrived?
30 Aug 2021
Nothing hits quite so good as a cone full of ice cream on a sweltering summer day. Alas, that single serving of classic vanilla may cool you off, but it has the exact opposite effect on the Earth. The dairy industry accounts for a massive 3.5 percent of the world’s carbon dioxide emissions, and the US's 8.8 million cows are a huge source of the planet-warming gas methane.
Africa's mountain forests store more carbon than previously thought
27 Aug 2021
Tropical forests may be local to the tropics, yet they all have global benefits. In addition to serving as refuges of the planet’s stunning, if shrinking, biodiversity, these forests store large amounts of carbon, which helps offset our emissions and mitigate climate change.
Global greenhouse gas levels were highest ever in 2020
26 Aug 2021
Any hopes that pandemic lockdowns dented the build up of greenhouse gases have been dashed as a new report confirmed that global levels reached their highest on record in 2020.
Australia bushfires of 2020 had cooling effect on climate
26 Aug 2021
Wildfires are getting so big, and wildfire seasons are lasting so long, that they’re now impacting the earth’s climate.
Is climate change to blame for extreme weather events?
26 Aug 2021
For years climate scientists warned against attributing single weather events to climate change. That's been changing lately. An expert in weather attribution Xubin Zeng, a professor of atmospheric sciences, provides an overview of the changing science of climate change attribution in this piece for The Conversation.
Experts clash over cost of carbon
25 Aug 2021
An academic debate over a key metric for greenhouse gases is heating up, just as a high-profile courtroom battle is scheduled to begin.
Europe's extreme rains made more likely by humans
25 Aug 2021
The heavy rainfall behind deadly flooding in Europe in July was made more likely by climate change, scientists say.
Carbon dividends: a win-win for people and climate
24 Aug 2021
Putting a price on emissions and sending the proceeds to the public is a sound environmental and economic strategy, writes James K. Boyce in the Scientific American.
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.
