Topics tagged with 'Science'
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.
Climate change will lead to changes in crop diseases
24 Aug 2021
A new study that looked at climate change models has predicted that with rising temperatures, the burden of crop diseases will increase in some parts of the world and fall in others.
Reforestration fails to make up for Amazon's destruction
23 Aug 2021
Driven largely by the expansion of farm land to meet increasing global demand for products such as soya bean, over 810,000 km² of forest in the Amazon has been cleared – an area nearly as big as Norway and Sweden combined.
The soaring carbon footprint of wildfires
20 Aug 2021
Devastating wildfires that have ravaged parts of the northern hemisphere this summer have released soaring amounts of carbon, EU data shows.
CFC ban bought us time to fight climate change: scientists
19 Aug 2021
A worldwide ban on ozone-depleting chemicals in 1987 has averted a climate catastrophe today, scientists say.
Waste material from bauxite mining helps create climate-friendly cement
19 Aug 2021
A climate-friendly cement has been developed that produces up to two-thirds fewer carbon emissions during its production than conventional cement.
Climate change will reduce the cooling effect of volcanoes
17 Aug 2021
Climate change will transform the cooling effects of volcanic eruptions, according to researchers at the University of Cambridge and the UK Met Office.
NZ could be at forefront of blue carbon market: report
16 Aug 2021
Government support is needed if New Zealand is to position itself at the forefront of an emerging market in seaweed-based environmental services including ‘blue carbon’, a report released today says.
July Earth's hottest month on record
16 Aug 2021
Earth sizzled in July and became the hottest month in 142 years of record keeping, United States weather officials have announced.
“Blue” hydrogen is worse for the climate than coal
16 Aug 2021
Gas companies and utilities are in a pickle. Their entire business model relies on the extraction, transport, and combustion of methane, one of the most potent greenhouse gases known to humankind. With many countries aiming to reach net-zero emissions by 2050, these companies face an uncertain future.
Sicily may have recorded highest ever European temp - 48.8C
13 Aug 2021
UN weather experts said on Thursday that they’re “actively looking” into a possible record temperature for Continental Europe of 48.8 Celsius near the town of Syracuse in Sicily, amid devastating wildfires in Mediterranean countries and Russia.
Three things we must do now to stabilise the planet
13 Aug 2021
David King and Jane Lichtenstein of the Cambridge Centre for Climate Repair outline the three urgent actions that need to be taken to stabilise the planet in this piece from The Conversation.
The IPCC understated need for methane emission cuts: experts
13 Aug 2021
The IPCC missed a key opportunity to underscore the urgent need for rapid reductions in emissions of methane and other short-lived climate pollutants in the roll out of a seminal report on the science of climate change on Monday, climate experts say.
Carbon budget will exhaust in 10 years at current emission levels: IPCC report
12 Aug 2021
The first installment of the Sixth Assessment Report (AR6) by the Intergovernmental Panel on Climate Change has provided an updated estimate of the carbon budget — the maximum amount of carbon dioxide (CO2) that can be emitted while still having a chance to limit warming to 1.5°C or 2°C.
The IPCC environmental warning India cannot ignore
11 Aug 2021
If the Intergovernmental Panel on Climate Change (IPCC) report was just about rushing countries to cut their carbon emissions to avoid a climate catastrophe, India could perhaps afford to look the other way.
Mother of all climate science reports
10 Aug 2021
It’s here, it’s intensifying, and if the world doesn’t act now, we’re fucked. That in a nutshell is the message of the most comprehensive scientific report on climate change in years.
Pacific Island nations could be lost within the century
10 Aug 2021
Global heating above 1.5C will be “catastrophic” for Pacific island nations and could lead to the loss of entire countries due to sea level rise within the century, experts have warned.
Worst polluting countries must make drastic carbon cuts: Cop26 chief
10 Aug 2021
The world’s biggest emitters of greenhouse gases must produce clear plans to cut their carbon output drastically, the president of vital UN climate talks has urged, after scientists warned there was only a small chance of escaping the worst ravages of climate breakdown.
IPCC interactive atlas provides a glimpse into possible futures
10 Aug 2021
An IPCC interactive atlas lets you see what kind of climate impacts—like floods, drought, or heat—will happen in your region, depending on how fast we cut greenhouse gas emissions.
'Final warning': US lawmakers
10 Aug 2021
Lawmakers and top climate officials in President Joe Biden's administration sounded the alarm on Monday in response to a new report from the United Nations' Intergovernmental Panel on Climate Change, urging nations to swiftly limit global warming to 1.5 degrees Celsius.
An insider's view on why tonight's IPCC report is a big deal
9 Aug 2021
An extremely important report on the physical science of climate change will be released to the world tonight (8pm NZ time). CSIRO chief research scientist David Karoly explains why it's such a big deal.
Global warming could lead to some countries freezing
9 Aug 2021
A large system of ocean currents in the Atlantic – which includes the Gulf Stream – has been disrupted due to human-caused climate change, scientists reported in a new study published last week. If that system collapses, it would lead to dramatic changes in worldwide weather patterns.
How can artificial intelligence help fight climate change?
9 Aug 2021
Algorithmic machine learning systems are being lauded as an 'integral' part of the new clean energy economy, but critics see them as an energy-intensive distraction.
Emperor penguins faced with extinction
4 Aug 2021
IF current global warming trends continue, Antarctica’s sea ice will decline at a rate that will reduce emperor penguin numbers to the point that almost all colonies will become quasi-extinct by 2100, writes scientist Stephanie Jenouvrier in the Conversation.
UN climate panel models show 'implausibly fast' warming
4 Aug 2021
Next week, the United Nations Intergovernmental Panel on Climate Change (IPCC) will unveil its latest scientific assessment, widely considered the most authoritative review of climate research.
Best way to tax carbon at the border
3 Aug 2021
As more world leaders consider levying border taxes on climate-damaging goods, a new study looks at ways it can be done in countries—including the United States—that haven’t established a domestic market for carbon emissions.
‘No eureka moment’: the evolution of climate science
3 Aug 2021
What if Earth's atmosphere was infused with extra carbon dioxide, mused amateur scientist Eunice Foote in an 1856 research paper that concluded the gas was very good at absorbing heat.
Surge in Arctic temperatures melting Greenland's ice
2 Aug 2021
Greenland is experiencing its most significant melting event of the year as temperatures in the Arctic surge. The amount of ice that melted on Tuesday alone would be enough to cover the entire state of Florida in two inches of water.
Reducing emissions could save tens of millions of lives
30 Jul 2021
Cutting greenhouse gas emissions quickly would save tens of millions of lives worldwide, a new study finds
Earth’s vital signs worsen
29 Jul 2021
Twenty months after more than 11,000 scientists declared a global climate emergency, establishing a set of benchmarks for the planet’s health, an international coalition says its update on those vital signs “largely reflect the consequences of an unrelenting ‘business as usual’ approach to climate change policy”.
Scientists back matauranga Maori's role in climate research
28 Jul 2021
Matauranga Maori (traditional Maori knowledge) has a vital part to play in finding solutions to a myriad of urgent problems - including climate change - according to the New Zealand Association of Scientists.
Mussel shells could filter NZ waterways
27 Jul 2021
Waste mussel shells could become a low-tech, natural tool to filter pollutants from New Zealand waterways if field testing by University of Canterbury engineers proves successful.
Climate scientists meet as fires, floods and heatwaves batter Earth
27 Jul 2021
More than 200 of the world's leading climate scientists will begin meeting this week to finalise a landmark report summarising how Earth's climate has already changed, and what humans can expect for the rest of the century.
New study confirms 'The Limits of Growth' are real
27 Jul 2021
A new study by a director at one of the largest accounting firms in the world has found that a famous, decades-old warning from MIT about the risk of industrial civilisation collapsing appears to be accurate based on new empirical data.
Climate change action will create millions of jobs
26 Jul 2021
Hitting global climate target could create eight million energy jobs mainly in the renewable energy sector, a new study says.
World Heritage Committee 'postpones the inevitable' with Great Barrier Reef decision
26 Jul 2021
The Conversation: After much anticipation, the World Heritage Committee on Friday decided against listing the Great Barrier Reef as “in danger”.
The huge sequestration potential of regenerative farming
23 Jul 2021
By some estimates, if the 1.2 billion acres of American agricultural land (more than half of the U.S. land base) transitioned towards regenerative farming practices, it could sequester up to 20 percent of the carbon required to reach the Biden administration's goal of fully offsetting America's carbon emissions by 2050.
Fully renewable energy feasible for Samoa: Otago study
23 Jul 2021
Media Release - The future of Samoa’s electricity system could go green, a University of Otago study has shown.
Men are the carbon hogs
22 Jul 2021
When it comes to climate change, male consumers may get a bit more of the blame than their female counterparts. Men spend their money on greenhouse gas-emitting goods and services, such as meat and fuel, at a much higher rate than women, a new Swedish study found.
Rooting pigs responsible for as much carbon as 1.1 million cars
21 Jul 2021
The rooting of feral pigs globally releases around 4.9 tonnes of carbon dioxide – the equivalent of 1.1 cars – a new study has found.
Climate-driven changes in clouds are likely to amplify global warming
21 Jul 2021
New research, using machine learning, helps project how the buildup of greenhouse gases will change clouds in ways that further heat the planet.
All pua to California's abalone rescuers
21 Jul 2021
In Big Sur, scientists are rescuing the abalone from landslides caused by the Dolan Fire, and moving them to safety in new neighborhoods where “resident abalone” already thrive
Progress being made on lowering cost of green hydrogen
21 Jul 2021
For decades, researchers around the world have searched for ways to use solar power to generate the key reaction for producing hydrogen as a clean energy source -- splitting water molecules to form hydrogen and oxygen. However, such efforts have mostly failed because doing it well was too costly, and trying to do it at a low cost led to poor performance.
Increase in number of slow moving storms linked to climate change
19 Jul 2021
Climate change is driving a large increase in intense, slow-moving storms, a new study by Newcastle University and the Met Office has found.
Amazon rainforest releasing more carbon than it stores
15 Jul 2021
Over the last several years researchers have said that the Amazon is on the verge of transforming from a crucial storehouse for heat-trapping gasses to a source of them, a dangerous shift that could destabilize the atmosphere of the planet.
Significant number of Kiwis overestimate sea-level rise
14 Jul 2021
The Conversation - Following a recent storm surge in Wellington, some media coverage expressed surprise that 30cm of sea-level rise – an unavoidable amount projected to happen by the middle of this century – would turn a one-in-100-year coastal flood into an annual event.
Auckland Council opens $1m Climate and Emergency Readiness Fund
4 Feb 2026
Community groups across Tāmaki Makaurau are being invited to apply for a new $1 million Climate and Emergency Readiness Fund, designed to support locally led action on climate change, disaster preparedness and climate adaptation.
Hydrogen plant to start construction
Tue 10 Feb 2026
Construction is set to start this month on Hiringa Energy’s long delayed green hydrogen project in South Taranaki, after years of consenting fights that culminated in the Court of Appeal rejecting Greenpeace’s challenge in late 2023.
NZ’s government wants tourism to drive economic growth – but how will it deal with aviation emissions?
22 Oct 2025
By Robert McLachlan, Te Kunenga ki Pūrehuroa – Massey University | Following a brief dip during the COVID pandemic, aviation is back in a growth phase.
Air NZ inks deal for its first internationally verified carbon credits
9 Oct 2025
By Liz Kivi | Air New Zealand has committed to buying 8000 tonnes of carbon removals by 2030, in partnership with local native forest investment platform My Native Forest.
World fight against invasive species comes to Auckland
Tue 10 Feb 2026
Media release: University of Auckland | From countering invasive pink salmon in Norway to controlling feral cats in the Cayman Islands, knowledge on eradicating invasive species will be shared by international experts in New Zealand.
Govt launches strategy backing wood-based heat sector
23 Oct 2025
By Pattrick Smellie | Forestry biomass could replace as much as 40% of fossil fuel-generated process heat by 2050, but access to supply, regulatory settings and business cases for converting to wood-based heat sources are required, the Government says in a series of documents released yesterday.
EU weighing options to support industry in carbon market overhaul
Mon 9 Feb 2026
The European Commission is looking at various ways to support industries in an upcoming overhaul of the EU carbon market to prevent them moving to areas with lower pollution standards, the head of the Commission’s climate department said late on Wednesday.
IPBES: Four key takeaways on how nature loss threatens the global economy
Wed 11 Feb 2026
The “undervaluing” of nature by businesses is fuelling its decline and putting the global economy at risk, according to a major new report.
Minister’s letters: Mildly positive or just virtue signalling?
5 Feb 2026
By Liz Kivi | The carbon market was buoyed slightly yesterday, after letters between the Government and the Climate Change Commission were proactively released.
LNG plan risks fossil fuel dependency: Environment Commissioner
Wed 11 Feb 2026
By Pattrick Smellie | Importing liquefied natural gas risks creating a “new path dependency on fossil fuel” unless LNG is ring-fenced for use only in the electricity system and only during extended periods of hydro-electricity water shortages, says the Parliamentary Commissioner for the Environment, Simon Upton.
LNG: a rational choice compared to unpalatable alternatives
Tue 10 Feb 2026
By Pattrick Smellie | COMMENT: By deciding to underwrite the private construction of a liquefied natural gas import facility in Taranaki, the Government has made a rational choice in favour of energy security and affordability.
RMA’s successors hinge on two untested bets
17 Dec 2025
Two ideas sit at the heart of the Government’s replacement for the Resource Management Act: regulatory relief and spatial planning.
Opposition attacks Govt over fossil fuel phaseout backdown
2 Feb 2026
By Liz Kivi | Revelations that Resources Minister Shane Jones ruled out New Zealand signing up to a 'road map' away from fossil fuels at last year’s global climate summit show the National Party’s minor coalition partners’ undue influence over the Government, according to Labour leader Chris Hipkins.
Govt looks to Commission for ways to shore up carbon price
4 Feb 2026
By Liz Kivi | The Government has asked the Climate Change Commission to look at lower auction volumes and an increase in the auction floor price as options to revive the Emissions Trading Scheme, as carbon prices remain weak.
Govt missing opportunity to slash electricity prices, says expert
Wed 11 Feb 2026
By Liz Kivi | The Government’s fixation on eliminating the "dry-year risk margin" as a lever to reduce costs misses a much bigger opportunity to lower electricity prices, according to Christina Hood, head of Compass Climate.
DOC trims costs and winds down jobs for nature
10 Nov 2025
The Department of Conservation (DOC) is entering a new phase of tighter budgets and structural change as it winds down the pandemic-era Jobs for Nature programme and reshapes its operations to absorb long-term cost pressures.
$8.9m research project to map future ocean change around Aotearoa
Tue 10 Feb 2026
The major research project aims to better understand how warming oceans are driving extreme weather events around New Zealand, from heavy rainfall to tropical cyclones.
Transport dominates NZ’s rising consumer emissions
10 Dec 2025
By Shannon Morris-Williams | Transport pollution was the biggest contributor to an increase in New Zealand’s consumption-based emissions in 2023, with emissions from household travel up 12%, and consumption-based emissions totalling 58.3 million tonnes – up 1.6% from the previous year.
'Damning' report challenges forestry’s role in Tairāwhiti as sector rejects conclusions
4 Feb 2026
By Shannon Morris-Williams | New independent analysis commissioned by Mana Taiao Tairāwhiti challenges long-standing claims that industrial forestry underpins the Tairāwhiti economy.
Australian ministers met Japanese gas companies 20 times amid fossil fuel lobbying push
Wed 11 Feb 2026
Australian government ministers met Japanese gas company executives more than 20 times in the last term of parliament as Labor encouraged investment in the fossil fuel industry.
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.”
US is canceling almost $30 billion in Biden-era energy loans
27 Jan 2026
The Trump administration said it’s canceling almost $30 billion of financing from the Energy Department’s green bank after reviewing transactions approved under former President Biden.
Green Member’s Bill aims to give whales legal ‘personhood’
Mon 9 Feb 2026
The Green Party wants to give whales legal rights, including the right to sue.
Govt slammed for weakening methane target
15 Dec 2025
By Shannon Morris-Williams The Government has pushed through legislation under urgency to almost halve New Zealand’s 2050 methane target – a move Opposition parties say disregards scientific advice, breaks the country’s hard-won political consensus on climate action, and shifts the burden of higher warming and higher future costs onto the next generation.
COP30 microcosm of difficult geopolitics, says Vanuatu's Climate Minister
15 Dec 2025
By Liz Kivi | Despite ‘intransigent’ states blocking multilateralism and a disappointing official outcome, Vanuatu’s Climate Change Minister Ralph Regenvanu says he left the COP30 climate summit feeling more positive than after previous UN climate conferences.
Hydrogen emissions are ‘supercharging’ the warming impact of methane
19 Dec 2025
The warming impact of hydrogen has been “overlooked” in projections of climate change, according to authors of the latest “global hydrogen budget”.
Wales council to buy and demolish homes prone to flooding
4 Feb 2026
A row of homes in a village in south Wales is to be bought by a local authority and demolished as they can no longer be protected from flooding caused by the climate crisis.
Climate law change spanner in the works for Waitangi Tribunal Inquiry
19 Dec 2025
By Liz Kivi | The Government’s controversial changes to New Zealand’s legal framework for climate policy have thrown a spanner in the works for a long-running Waitangi Tribunal Inquiry into climate change.
Greenpeace set to take UK Government to court over deep-sea mining licences
5 Feb 2026
Environmental NGO Greenpeace has kick-started a legal challenge against the UK Government’s decision to approve the transfer of two seabed exploration licences to a newly-formed mining company with US links.
Govt unveils plans for carbon storage regulations – and ETS rewards
18 Dec 2025
By Liz Kivi | The Government has released plans to regulate carbon capture and storage in natural geological formations, which include Emissions Trading Scheme incentives, with the aim of introducing related legislation in 2026.
Ministers celebrate fast-track milestone amid criticism
Tue 10 Feb 2026
By Shannon Morris-Williams | The government is marking the first anniversary of its fast-track approvals regime, saying it is helping “build New Zealand’s future”, despite continued criticism from environmental groups, opposition parties, and industry voices following several controversial project decisions.
Court rejects challenge to Minister and Commission over climate targets
28 Jan 2026
By Liz Kivi | The Supreme Court has rejected Lawyers for Climate Action’s bid to challenge the Climate Change Commission and former Climate Minister James Shaw over climate targets, ending a long-running case which had been working its way through the courts since 2021.
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 turning point for our ocean: why the High Seas Treaty matters for the Pacific
Tue 10 Feb 2026
Media release: UNDP | The global ratification of the Biodiversity Beyond National Jurisdiction (BBNJ) Treaty marks a decisive moment in international cooperation and ocean governance. Referred to as the High Seas Treaty, the agreement establishes a legally binding framework to protect marine biodiversity in areas of the ocean that lie beyond national jurisdiction.
Out of Paris, but will the US formally quit the UN climate regime?
30 Jan 2026
The Trump administration has decided to withdraw the US from the broader UN climate convention, raising questions about the legality of the move and what it means in practice.
Commentators slam Govt inaction in aftermath of climate change-fuelled storms
30 Jan 2026
By Liz Kivi | Climate action - or inaction - is shaping up to be an election issue, with multiple commentators drawing a line between the Coalition Government’s backsliding on climate targets and the deadly extreme weather events of the past week.
Major health risks linked to plastics emissions set to soar by 2040
28 Jan 2026
The adverse health consequences stemming from the global plastics system are projected to more than double by 2040, driven by greenhouse gases, air pollutants and toxic chemicals released throughout its lifecycle.
Rushed resource management reform bills unworkable: Environmental Defence Society
Wed 11 Feb 2026
By Shannon Morris-Williams | The Environmental Defence Society says significant amendments are needed to the government’s Natural Environment and Planning Bills, warning the proposed reforms risk weakening environmental limits, public participation, and regulatory certainty.
Three Greenpeace activists removed by police from Fonterra
17 Dec 2025
Media release | Three Greenpeace activists were removed by police from Fonterra’s downtown Auckland offices, following a protest on Monday at the Shareholders’ Fund meeting over the corporation’s role in the contamination of rural communities’ drinking water.
Critical minerals talks with US questioned in Waitangi Tribunal climate inquiry
Mon 9 Feb 2026
By Shannon Morris-Williams | New Zealand and the United States' negotiations over critical minerals have raised questions for the Waitangi Tribunal’s long-running inquiry into climate change.
Australia's renewables boom delivers coveted power price payoff
Wed 11 Feb 2026
Australia's wholesale electricity prices fell to the lowest in four years in 2025, bucking the rising price trends seen elsewhere and validating claims that renewables-heavy power system overhauls can help lower consumer power costs.
Solar households to get little-noticed tax break
23 Sep 2025
A provision in the government’s latest tax bill would exempt households from paying tax on income they earn by selling excess electricity back to the grid.
NZ-UAE partnership boosts advanced tech
Mon 9 Feb 2026
Media release | A new Antarctic science partnership with a leading UAE university will grow New Zealand’s advanced engineering and modelling capability, supporting high-value jobs, encouraging economic growth, and enabling smarter climate risk management, Science, Innovation and Technology Minister Dr Shane Reti says.
Pacific climate response in question as NZ finance remains unclear
19 Dec 2025
By Shannon Morris-Williams | With New Zealand's $1.3 billion international climate finance commitment set to end with no clarity on what follows, the Auditor-General says oversight of that funding remains patchy and long-term outcomes are unclear.
China maximises battery recycling to shore up critical mineral supplies
Wed 11 Feb 2026
Beijing is bracing for a tsunami of spent EV batteries by taking steps to boost recycling – a strategy that could also cut its reliance on imports of clean energy minerals.
Vanuatu introduces draft UN resolution on ICJ demanding full climate compensation
Wed 11 Feb 2026
Media release: Vanuatu Government | Vanuatu has introduced the zero draft of a United Nations General Assembly resolution to endorse the International Court of Justice’s advisory opinion on the obligations of states in respect of climate change, delivered on 23 July 2025.
Kaicycle celebrates ten years of collective climate action in Pōneke
14 Nov 2025
Media release: Kaicycle | Since 2015, Kaicycle has grown from a humble pilot project growing kai and collecting compost on bicycles into the thriving urban farm and composting hub that Wellingtonians know and love.
Heatwaves, downpours and droughts – Auckland on track for more extreme weather
1 Dec 2025
By Shannon Morris-Williams | New projections show Auckland will face more heatwaves, heavier downpours, worsening droughts and growing coastal threats as climate extremes intensify, according to a new report from Earth Sciences New Zealand.
Argentina fires ravage pristine Patagonia forests, fueling criticism of Milei’s austerity
4 Feb 2026
The wildfires, among the worst to hit the drought-stricken Patagonia region in decades, have devastated more than 45,000 hectares (174 square miles) of Argentina’s forests in the last month and a half, forcing the evacuation of thousands of residents and tourists.
World's first 20 MW offshore wind turbine powers grid in China
Tue 10 Feb 2026
The world's most powerful offshore wind turbine has begun feeding electricity into the grid off the coast of southeast China, marking a major technological leap in the country's wind power industry.
