Topics tagged with 'Science'
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.
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.
Climate progress slowing, says Auckland councillor
Thu 5 Jun 2025
By Shannon Morris-Williams | The devastating cyclone that tore through Tāmaki Makaurau in 2023 left behind more than just broken infrastructure, sparking calls to focus on facts over ideology in the fight against climate change.
Fed Farmers launches campaign against carbon forestry
Fri 6 Jun 2025
By Liz Kivi | Federated Farmers has launched what they are calling the ‘Save Our Sheep’ campaign, blaming carbon forestry for declining sheep numbers and calling on the government to urgently review the Emissions Trading Scheme.
Greenwashing is rife in Australia, but could its days be numbered?
28 May 2025
COMMENT: Have you ever ticked the box to “fly carbon neutral”, had something delivered via “carbon-neutral shipping” or chosen to pay a bit extra to buy “carbon-neutral gas” from your energy retailer?
Help sustainable aviation fuels take off or delay targets, airlines warn EU
20 May 2025
Earmarked funding, risk-reduction tools, and simplified imports top Airlines for Europe’s wish list for the EU’s upcoming Sustainable Transport Investment Plan.
Microplastics found in sand on dozens of NZ beaches
Wed 4 Jun 2025
Scientists have extracted microplastics from the sand of 22 beaches from the Far North to Banks Peninsula.
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.
Govt mulls status quo for ETS auction settings
29 May 2025
By Liz Kivi | The government has released its consultation on the Climate Change Commission’s latest advice on Emissions Trading Scheme auction settings and volumes, putting forward the option to ignore the commission’s advice to boost auction volumes from 2028-2030.
Global energy investment set to hit record $3.3 trillion in 2025, IEA says
Fri 6 Jun 2025
A surge in clean energy spending is expected to drive a record $3.3 trillion in global energy investment in 2025, despite economic uncertainty and geopolitical tensions, the International Energy Agency said on Thursday.
Carbon price too low to fund carbon capture
20 May 2025
The government’s climate target to 2030 is at risk, after revelations that a carbon capture project which the government was relying on to deliver one third of its carbon reductions, might not go ahead.
Fight over coal mine heats up
30 May 2025
Forest & Bird is calling on the government to create a new scientific reserve covering the Denniston Plateau on the West Coast, which would stop a fast-tracked coal mine.
Trump’s actions are already having consequences for climate, especially for the IPCC - expert
11 Apr 2025
Leading climate scientist, Dr Kevin Trenberth, left the US and came home to New Zealand because of the rise of Donald Trump. In this comment piece, he writes that he is appalled in multiple ways by the so-called “war on science” unfolding through staff cuts and the president’s policy edicts.
Common low-grade clay strengthens low-carbon concrete
Thu 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.
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.
Gas supply reducing faster than forecast
Thu 5 Jun 2025
By Liz Kivi | Gas reserves have reduced 27% as of 1 January 2025 compared to last year, according to data released today by the Ministry of Business, Innovation and Employment.
Govt budgets $200m for would-be gas investors
23 May 2025
By Liz Kivi | Energy Resources Aotearoa has welcomed the government's plan to co-invest $200 million in fossil gas expansion, while environmental and climate groups have reacted with horror.
Extreme ocean warming engulfed South-West Pacific in 2024
Fri 6 Jun 2025
By Shannon Morris-Williams | Unprecedented ocean warming engulfed the South-West Pacific in 2024, with extreme heat and rainfall causing deadly and devastating impacts and sea level rise threatening entire islands.
Oceans Commission must have teeth – minister
14 May 2025
If an Oceans Commission were to be established under the government it would need genuine powers to make change, says Minister for Oceans and Fisheries Shane Jones.
Biochar's negative emissions tech coming to Fieldays
Fri 6 Jun 2025
Biochar Network New Zealand will showcase its negative emissions technology biochar at this year's Forestry Hub at Fieldays 2025.
Vanuatu criticises Australia for extending gas project while making COP31 bid
Wed 4 Jun 2025
Vanuatu’s climate minister has expressed disappointment over Australia’s decision to extend one of the world’s biggest liquefied natural gas projects and said it raises questions over its bid to co-host the COP31 summit with Pacific nations.
Hotter and deeper: how NZ’s plan to drill for ‘supercritical’ geothermal energy holds promise and risk
2 Apr 2025
By David Dempsey, University of Canterbury | New Zealand’s North Island features a number of geothermal systems, several of which are used to generate some 1,000 MegaWatts of electricity. But deeper down there may be even more potential.
Electrification challenge for politicians, regulators
27 May 2025
Rewiring Aotearoa is calling for stronger political leadership to bring its vision of a cheaper, cleaner and stronger energy system to life, with the launch of its policy manifesto today.
How the little-known ‘dark roof’ lobby may be making US cities hotter
Fri 6 Jun 2025
As cities heat up, reflective roofs could lower energy bills and help the climate. But dark-roofing manufacturers are waging a quiet campaign to block new rules.
Energy Australia is in court accused of greenwashing. What is the case about and why is it significant?
16 May 2025
Climate group alleges energy giant misled 400,000 customers about ‘Go Neutral’ product, arguing that carbon credits don’t actually remove emissions.
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.
What happened to the hydrogen economy?
Tue 3 Jun 2025
The hydrogen car that was supposed to carry us into a cleaner future is still not in the driveway. In fact, outside of a few test markets, it’s not in anyone’s driveway.
Climate change could drive surge in foreclosures and lender losses, new study finds
22 May 2025
Extreme weather linked to climate change could spell financial ruin for many American homeowners and lead to billions in losses for lenders, a new study finds.
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.
Energy Australia apologises to 400,000 customers and settles greenwashing legal action
22 May 2025
Energy retailer says carbon offsetting ‘not the most effective way’ to reduce emissions.
Could ‘orange’ hydrogen be NZ’s key to net-zero?
30 May 2025
By Liz Kivi | New Zealand could be sitting on resources for a thriving multi-billion-dollar, low-carbon hydrogen economy, which might even be capable of creating a net reduction of carbon dioxide, according to scientists.
Carbon News launches price index
24 Jun 2024
Today’s issue is the first to feature Carbon News’ own carbon price index for secondary market spot prices for NZUs on New Zealand’s compliance market.
Govt's RMA overhaul sparks fears for nature and climate
30 May 2025
By Shannon Morris-Williams | The Government has opened public consultation on the biggest overhaul of environmental planning rules in New Zealand’s history, with critics warning it puts nature and climate at risk in favour of fast-tracked development and industry expansion.
Waste Levy risks becoming ‘slush fund’ under proposed changes – Commissioner
Thu 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.
Top ocean experts sound the alarm over growing marine crisis due to climate change
Fri 6 Jun 2025
On the opening day of a global science conference, French fishery scientist Clea Abello presented research showing that marine protected areas could protect commercially valuable fisheries.
Tech alone won’t save us, warns climate expert
Wed 4 Jun 2025
By Shannon Morris-Williams | Technology alone won't be enough to reach net zero emissions, environmental psychologist Lorraine Whitmarsh told the Carbon and Energy Professionals conference in Auckland last week.
New research reveals NZ’s natural resource footprint
29 May 2025
Media release | New research from the office of the Parliamentary Commissioner for the Environment reveals that about 107 million tonnes of natural resources were required to produce the goods and services consumed by New Zealanders in 2019 – approximately 21 tonnes per person on average.
NZ's first chance in 20 years to catch up on waste
30 May 2025
Media release | The government has announced proposals for updating the Waste Minimisation Act and the Litter Act. For the first time in nearly 20 years, Kiwis have a chance to catch up with other countries to reduce our waste and litter.
Dismissals 'massive win' for climate movement
13 May 2025
The outstanding charges against 25 climate activists who disrupted traffic in Wellington have been dropped, a move the group calls a win for the climate movement.
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.
UK’s solar power surges 42% after sunniest spring on record
Fri 6 Jun 2025
The UK’s solar farms and rooftops generated more electricity than ever before in the first five months of 2025, as the country enjoyed its sunniest spring on record.
Green budget 'ludicrous la-la land' – govt
15 May 2025
Prime Minister Christopher Luxon said the budget was "clown show economics" and an "absolute circus".
US: Clean energy project cancellations top $14 Billion so far in 2025
Wed 4 Jun 2025
Businesses have pulled the plug on big projects amid Trump’s retreat on climate action. But plenty remain in the pipeline, awaiting a Congressional decision on tax credits.
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.
“It’s not the car – it’s how we move” – EECA
Tue 3 Jun 2025
By Shannon Morris-Williams| New Zealand’s transport emissions conversation has focused heavily on electric vehicles – but Richard Briggs, group manager, delivery and partnerships at the Energy Efficiency and Conservation Authority, says we’re asking the wrong question.
Europe’s next climate target may already have been agreed in Berlin
28 May 2025
Germany’s new coalition has adopted a climate stance shaped by talks with the EU’s top climate official, signalling where the bloc may land on a likely upcoming 2040 emissions target.
Water crisis on the horizon?
26 May 2025
Media release | Sewage contaminating Auckland oyster farms highlights the “dire state” of water infrastructure in Aotearoa, says University of Auckland Associate Professor Daniel Hikuroa.
Tropical forest loss hit new heights in 2024; fire a major driver in Latin America
23 May 2025
Tropical forest loss skyrocketed in 2024, with vast swaths of primary forest consumed by fire, according to new satellite data.
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.
