Topics tagged with 'Science'
"Sobering" report highlights climate impacts on NZ's marine environment
13 Oct 2022
A “sobering” new report highlighting marine heatwaves, acidifying oceans, sea level rise, and damaging storms, is a warning to reduce emissions faster, according to experts.
50% of Earth’s coral reefs face climate change threat by 2035
12 Oct 2022
Under a worst-case scenario, half of coral reef ecosystems worldwide will permanently face unsuitable conditions in just over a dozen years, if climate change continues unabated. That is one of the findings from new research published on October 11, in PLOS Biology by University of Hawaiʻi at Mānoa researchers. Unsuitable conditions will likely lead to the corals dying off and other marine life will struggle to survive due to disruptions in the food chain.
Future heatwaves will lead to large ‘loss of life’, report warns
11 Oct 2022
Heatwaves will become so extreme in parts of Africa and Asia within decades that human life there will be unsustainable, a new report by the United Nations and the Red Cross has warned.
Climate change and deforestation may drive tree-dwelling primates to the ground, large-scale study shows
11 Oct 2022
A large-scale study of 47 species of monkeys and lemurs has found that climate change and deforestation are driving these tree-dwelling animals to the ground, where they are at higher risk due to lack of preferred food and shelter, and may experience more negative interaction with humans and domestic animals.
Methane blowout craters in Siberia are ‘canary in a coal mine for global climate’
11 Oct 2022
Gases released from methane craters on Siberia's Yamal and Gydan peninsulas as well as the immense amounts of carbon dioxide released from wildfires in the region can accelerate global warming, experts have warned.
Phantom forests: why ambitious tree planting projects are failing
7 Oct 2022
It was perhaps the most spectacular failed tree planting project ever. Certainly the fastest. On March 8, 2012, teams of village volunteers in Camarines Sur province on the Filipino island of Luzon sunk over a million mangrove seedlings into coastal mud in just an hour of frenzied activity.
Climate risk index shows threats to 90% of the world’s marine specie
7 Oct 2022
By Daniel G. Boyce - The Conversation | Climate change impacts marine life through a bewildering web of complex pathways.
Funding win for biotech startup aiming to reduce emissions with dairy alternatives
6 Oct 2022
Precision fermentation startup Daisy Lab is the first recipient of funding from a new initiative set up to reduce the failure rate of local social enterprises.
The world should fast track green energy. But not because of climate change
5 Oct 2022
A rapid transition to green energy is likely to save the world trillions of dollars compared to sticking with the current fossil fuel-based energy system, according to a new analysis.
NIWA predicts strengthening marine heatwave
4 Oct 2022
Climate change is continuing to influence Aotearoa New Zealand’s weather, with NIWA warning the coming marine heatwave could rival last year’s high temperatures, and the marine sector “should monitor the system closely”.
A Nord Stream disaster every day
4 Oct 2022
A half-mile wide maelstrom is swirling in the Baltic Sea as an estimated 300,000 metric tons of gas violently erupts from the sabotaged Nord Stream pipelines. Most of this gas is likely methane, a gas normally invisible to the eye that is over 80 times more potent than carbon dioxide at trapping heat over 20 years. The swirling froth recalls Hurricane Ian, another catastrophe that’s just devastated Florida.
Scientists hopeful tiny ocean zooplankton will help tell if climate change targets are met
3 Oct 2022
Scientists have found some of the smallest animals in the ocean are having a big impact in the fight against climate change.
Bitcoin climate impact greater than gold mining, study shows
30 Sep 2022
Bitcoin is less “digital gold” and more “digital beef”, according to a study that suggests the cryptocurrency has a climate impact greater than that of gold mining and on the level of natural gas extraction or rearing cattle for meat.
Termite invasion could eat into NZ economy and environment
28 Sep 2022
As the planet heats, termites could move further out of the tropics, decaying more wood and releasing more carbon dioxide like "tiny cows", according to a new study in the journal Science.
Scientists urge top publisher to withdraw faulty climate study
28 Sep 2022
A fundamentally flawed study claiming that scientific evidence of a climate crisis is lacking should be withdrawn from the peer-reviewed journal in which it was published, top climate scientists have told AFP.
How could positive 'tipping points' accelerate climate action?
23 Sep 2022
As catastrophic climate change tipping points loom, could positive shifts toward green action also be speeding up?
How colonialism spawned and continues to exacerbate the climate crisis
22 Sep 2022
We currently live in an epoch that geologists call the Holocene, which began soon after the last major ice age ended around 11,700 years ago. But for over two decades, some scientists have argued that the label is far too antiquated. In 2000, the term “Anthropocene” — ‘anthropo’ for human and ‘cene’ for new — gained prominence. It highlights how human activities dominate the Earth’s land, atmosphere, and oceans, significantly impacting its climate and natural ecosystems.
Mangroves keep carbon in the soil for 5,000 years
21 Sep 2022
On top of all the other dazzling biology, mangrove forests are massive carbon sinks. According to new research on a Mexican mangrove forest, they can keep carbon out of the atmosphere for millennia.
California's dairy farm methane capture scheme may have "unintended consequences"
20 Sep 2022
Scientists and environmentalists say more data is needed on ammonia emissions resulting from California's dairy farm methane capture scheme.
Research predicts big climate change impacts on marine mammals
19 Sep 2022
Media release - A new Department of Conservation report predicts that climate change could have a major impact on some of New Zealand’s marine mammals.
China lost its Yangtze River dolphin. Climate change is coming for other species next
19 Sep 2022
They called it the "Goddess of the Yangtze" -- a creature so rare that it was believed to bring fortune and protection to local fishermen and all those lucky enough to spot it.
Climate ‘points of no return’ may be much closer than we thought
16 Sep 2022
In climatology, a tipping point is defined as a rise in global temperature past which a localized climate system, or "tipping element" — such as the Amazonrainforest or the Greenland ice sheet — starts to irreversibly decline. Once a tipping point has been reached, that tipping element will experience runaway effects that essentially doom it forever, even if global temperatures retreat below the tipping point.
Eat more fish: when switching to seafood helps — and when it doesn’t
16 Sep 2022
Replacing meat with certain types of sustainably sourced seafood could help people to reduce their carbon footprints without compromising on nutrition, finds an analysis of dozens of marine species that are consumed worldwide.
Tropical wetlands emit more methane than previously thought
15 Sep 2022
Since 2007, the world's atmospheric methane concentration has risen at an accelerated rate, but scientists aren't exactly sure why.
World on brink of five ‘disastrous’ climate tipping points, study finds
9 Sep 2022
The climate crisis has driven the world to the brink of multiple “disastrous” tipping points, according to a major study.
Southern Ocean takes on the heat of climate change
8 Sep 2022
In the past 50 years, the oceans have absorbed more than 90% of the excess heat caused by our carbon dioxide emissions, with one ocean absorbing the vast majority.
Greenhouse gases, sea sevels hit record highs in 2021
7 Sep 2022
Greenhouse gas concentrations, sea level rise, and ocean heat all hit record highs in 2021, according to an international science report.
Why defusing 'carbon bombs' offers a promising new agenda for tackling climate change
6 Sep 2022
A carbon bomb is a fossil fuel extraction project, such as a coal mine, that can cause over a metric gigaton of CO₂ emissions during its lifetime. That's a billion tons—more than twice the UK's annual emissions from a single project.
Global turbulence may herald 'giant leap' to a greener era, says top scientist
2 Sep 2022
As rocketing energy and food prices fuel inflation and social discontent in many countries, the world may have entered a period of "big turbulence" that could force a green transition in the global economy, said a leading environmental scientist.
Mapping US coastlines may ‘drive more equality’ in climate adaptation policy
2 Sep 2022
A Canadian technology company is building aerial imagery of US shorelines which could be used to help coastal communities mitigate climate change.
Zombie ice from Greenland will raise sea level 27 centimetres
1 Sep 2022
Greenland’s rapidly melting ice sheet will eventually raise global sea level by at least 27 centimeters -- more than twice as much as previously forecast — according to a recent study.
Lakes are disappearing across the Arctic as the climate crisis worsens: Study
1 Sep 2022
The Arctic has experienced loss before. As the area warms almost four times more quickly than the rest of the world, glaciers melt, wildlife dies, and habitat loss is accelerating at an unprecedented rate.
A crop-by-crop comparison of urban vs conventional farms yields turns up some surprising results
1 Sep 2022
Roof-grown lettuces and warehouse-cultivated tomatoes could be more than just a frivolous foodie trend: a new study finds that crops cultivated in cities can be up to four times more productive per square meter, than those grown in conventional agricultural fields.
Living in timber cities could cut emissions, without using farmland for wood production
31 Aug 2022
Housing a growing population in homes made out of wood instead of conventional steel and concrete could avoid more than 100 billion tons of emissions of the greenhouse gas CO2 until 2100, a new study by the Potsdam Institute for Climate Impact Research shows.
What’s the chance of meeting Paris climate goal? Just 0.1%: study
30 Aug 2022
Climate scientists say there’s a 0.1% chance of keeping warming below 1.5° Celsius by 2100, as called for in the Paris Agreement.
Fact check: What role does climate change play in extreme weather events?
30 Aug 2022
After scorching heat waves withered crops and dried up mighty rivers in the Northern Hemisphere, catastrophic super flooding in Pakistan has so far killed more than a 1,000 people, displacing millions more.
Climate intervention: a possible hope in the face of humanity’s biggest problem
30 Aug 2022
The rapid reduction of greenhouse-gas emissions to net zero is the only practical way to halt climate change. But thanks to two centuries of burning fossil fuels, we have created a warmer climate that will endure for generations. As a result, humanity will be faced with an important decision: do we live on a hot planet with all the problems that brings, or do we intervene to try to cool things down?
Paleoclimate study shows warming oceans could lead to a spike in seabed methane emissionsC
29 Aug 2022
The slowdown of a key ocean current could release methane that is frozen in layers of organic seabed sediments along some of the world’s coastlines, a new study shows.
The energy required for adaptation calls for stronger mitigation efforts
26 Aug 2022
A new study published today in Nature Communications by researchers from the Euro-Mediterranean Center on Climate Change, Ca' Foscari University of Venice, the European Institute on Economics and the Environment and the London School of Hygiene & Tropical Medicine finds that adapting to climate change will require more energy than previously estimated, leading to higher energy investments and costs.
Kiwis feature prominently among signatories of climate change denying Declaration
25 Aug 2022
Two New Zealanders, one with historic ties to the fossil fuel industry, feature prominently among the more than 1100 signatories of the grandly titled World Climate Declaration.
Can Southern Africa grow without fossil fuels?
25 Aug 2022
If current trends in the energy system continue, wind and solar will outcompete other power sources on cost and rapidly come to dominate the electrical grid in Southern Africa, according to a new study.
China's unprecedented 70-day heatwave is breaking multiple records
24 Aug 2022
China's more than two-month long heatwave has dried up as many as 66 rivers, including the critical Yangtze River, the world's third longest waterway.
Flooding wetlands could be the next big carbon capture hack
24 Aug 2022
Arriving at the tidal wetlands of Mungalla Station on the coastline of northern Queensland, ornithologist Simon Kennedy from the not-for-profit BirdLife Australia is greeted by a welcome cacophony. “You start hearing honks and quacks and twitters and noises coming from there,” he says of the area’s diverse and thriving bird populations, “whereas it’s very quiet elsewhere.”
Up to 90% of marine species could be at high or critical risk from GHGs: study
24 Aug 2022
The fate of nearly all marine species could be at risk of extinction by the end of the century if greenhouse gases continue to be emitted at current rates, scientists are warning in a new study.
New satellite will see how much carbon is being stored in forests
23 Aug 2022
In a dust-free cleanroom in Stevenage, the European Space Agency's BIOMASS satellite is finally taking shape.
How a humpback whale superhighway is offering warnings about climate change
22 Aug 2022
During winter Australia's east coast becomes a migratory superhighway for humpback whales, a so-called "blue corridor".
Organic dairy farming can store carbon and reduce GHG emissions: study
19 Aug 2022
A new study in the August issue of the Journal of Cleaner Production reveals that it is possible for farms to sequester carbon and reduce their overall greenhouse gas emissions. A University of Wisconsin Madison research group unveiled a dairy lifecycle assessment conducted on Organic Valley farms that shows small organic dairy farms, which focus on grazing and organic production techniques, are low greenhouse gas champions.
Climate-resilient breadfruit might be the food of the future
18 Aug 2022
In the face of climate change, breadfruit soon might come to a dinner plate near you.
Carbon capture rate overstated: IEEFA
18 Aug 2022
The efficacy of industrial carbon capture technology is being overstated, according to new research from US think tank the Institute for Energy Economics and Financial Analysis (IEEFA).
Net-zero much cheaper than thought for UK – and unchecked global warming far more costly
Wed 9 Jul 2025
Reaching net-zero will be much cheaper for the UK government than previously expected – and the economic damages of unmitigated climate change far more severe.
Extreme heatwaves may cause global decline in dairy production, scientists warn
Tue 8 Jul 2025
Israel-based study finds that by 2050 average daily milk production could be reduced by 4% as a result of worsening heat stress.
NZ Post drops science-based climate target
Tue 8 Jul 2025
By Liz Kivi | NZ Post has dropped its science-based emissions reduction target of 42% by 2030 with no plans to replace it.
Nations agree to tax premium flyers, private jets
2 Jul 2025
A group of countries, including France, Kenya, Spain and Barbados, pledged on June 30 to tax premium-class flying and private jets in a bid to raise funds for climate action and sustainable development.
Markets aren't going to save us – Carr
Wed 9 Jul 2025
By Shannon Morris-Williams | Consumerism is reaching its ecological and economic limits, and only systemic change - not market tweaks - can steer us away from climate catastrophe, according to former Climate Change Commission chair Rod Carr.
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.
Carbon price grinds higher - where to from now?
30 Jun 2025
By Liz Kivi | The carbon price has continued to grind slowly higher since this month’s failed auction, with prices at their highest since March, although still languishing well below this year’s auction floor price.
Water contaminant levels can remain high for eight years after a wildfire, study finds
Wed 9 Jul 2025
Scientists are warning that wildfire pollutants can continue to contaminate local waterways for up to eight years after a wildfire event.
Carbon auction fails again
18 Jun 2025
By Liz Kivi | As predicted, today’s carbon auction failed to attract any bidders, with the secondary market languishing at nearly 20% below the minimum auction price.
Climate backtracking could impact trade relationships: Labour
Wed 9 Jul 2025
By Liz Kivi | Labour Party Energy spokesperson Megan Woods says the government needs to be upfront about how its energy policies will impact trade relationships, following revelations New Zealand was warned by other governments that backtracking on climate policies jeopardised its membership of an international alliance.
A credible UN carbon market needs rules that count – we’ve just set them
11 Jun 2025
COMMENT: The broad standards for a more ambitious market are now in place. But without a steady flow of investment, this progress will remain largely on paper.
Common low-grade clay strengthens low-carbon concrete
5 Jun 2025
Media release | Engineers at RMIT University have converted low-grade clay into a high-performance cement supplement, opening a potential new market in sustainable construction materials.
Cuts to climate finance put exports in jeopardy: Lawyers
23 May 2025
By Liz Kivi | The government has halved international climate finance, a move aid organisations describe as “devastating,” and which lawyers say could put our Paris Agreement commitments and export market access at risk.
Could an unexplained carbon forest sink solve govt’s billion-dollar climate woes?
23 Jun 2025
By Liz Kivi | A groundbreaking study shows that New Zealand’s native forests are absorbing far more carbon dioxide than previously thought.
In Latin America, the energy transition stirs a rise in human rights lawsuits
Tue 8 Jul 2025
A new report shows that more than half of the 95 energy transition-related lawsuits recorded globally since 2009 took place in Latin America and the Caribbean.
Key orange roughy population on verge of collapse, govt considers closure
Wed 9 Jul 2025
Media release - Deep Sea Conservation Coalition | New data reveals that New Zealand’s main orange roughy fishery, accounting for half of the country’s total catch, is on the brink of collapse, with one model showing it may have reached that point already, and the government’s considering closing it.
Nelson adopts ambitious target to slash emissions
Tue 8 Jul 2025
By Max Frethey, Local Democracy Reporter | After some of the most passionate debate seen in the chamber this triennium, Nelson City Council has adopted the more ambitious of two community greenhouse gas targets.
Latest trawl bycatch numbers 'a grim wake-up call'
24 Jun 2025
Media release – Greenpeace | The latest fisheries bycatch data paints a grim picture, with trawlers hauling up thousands of kilograms of coral and killing hundreds of fur seals and seabirds over a 12 month period.
EU countries seek more cuts to deforestation rules
Wed 9 Jul 2025
From December, the world-first deforestation law will require operators placing goods including soy, beef and palm oil, onto the EU market to provide proof their products did not cause deforestation.
NZ quits Beyond Oil and Gas Alliance
25 Jun 2025
By Liz Kivi | The New Zealand government has quietly withdrawn from an ambitious coalition to phase out fossil fuels, with a $200 million publicly-funded subsidy for new gas fields the latest policy in conflict with that goal.
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.
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.
Melting glaciers and ice caps could unleash wave of volcanic eruptions, study says
Wed 9 Jul 2025
Research in Chile suggests the climate crisis makes eruptions more likely and explosive, and warns of Antarctica risk.
Biodiversity market needs govt regulation to avoid fraud risk
17 Jun 2025
By Liz Kivi | Participants have applauded the government’s pilot programme for New Zealand’s voluntary biodiversity market, but an expert says the emerging market needs better regulation to avoid reputational risk and fraud.
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.
Electric firebricks: decarbonising high-temperature industrial heat
13 Jun 2025
By Ian Mason | A new technology could offer a more cost-effective solution than hydrogen to decarbonise one ‘hard-to-abate’ sector of New Zealand’s economy, as well as having ample potential for demand response as the electricity grid becomes more renewable.
90% of NZers expect more extreme weather disasters because of climate change
23 Jun 2025
A new climate change poll from AMI, State, and NZI shows New Zealanders are expecting more extreme weather events as a result of climate change.
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.
High Court agrees with Environmental Defence Society - law must be followed as it stands now
Mon 7 Jul 2025
Media release – Environmental Defence Society | The Environmental Defence Society (EDS) welcomes the High Court’s finding in Box Property Investments Ltd v The Expert Consenting Panel that decisions must be made based on the law as it currently stands, not on potential future legislative changes.
Clear-sighted view to trade-offs crucial to reimagining our relationship with the land
Mon 7 Jul 2025
By Nick Swallow | COMMENT: New Zealand could see a 70% drop in the value of dairy land if we pursue our emissions targets for agriculture, according to a new report.
Unlocking economic growth on conservation land
Wed 9 Jul 2025
Media release - New Zealand Government | A targeted effort to reduce the backlog of applications for use of conservation land is accelerating economic growth without compromising conservation values, says Conservation Minister Tama Potaka.
Carbon credits stockpile down: latest figures
Mon 7 Jul 2025
By Liz Kivi | The number of NZUs held in private accounts, often called "the stockpile", dropped 11 million tonnes in the past year, according to the latest figures.
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.
Change in Southern Ocean structure could have climate implications
Mon 7 Jul 2025
Media release – Instituto de Ciencias del Mar (ICM-CSIC) | Satellite data processing algorithms developed by ICM-CSIC have played a crucial role in detecting this significant shift in the Southern Hemisphere, which could accelerate the effects of climate change.
Trump’s ‘big beautiful bill’ blows US emissions goal by 7bn tonnes
Tue 8 Jul 2025
President Donald Trump’s dismantling of climate policy means the US will add an extra 7bn tonnes of emissions to the atmosphere from now until 2030, compared to meeting its former climate pledge under the Paris Agreement.
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.
Microplastics found in sand on dozens of NZ beaches
4 Jun 2025
Scientists have extracted microplastics from the sand of 22 beaches from the Far North to Banks Peninsula.
Türkiye's Parliament adopts first-ever climate law
Wed 9 Jul 2025
Promising a wide range of provisions and increased vigilance against climate change, the new law is to provide action plans on a national and local scale, while bolstering Türkiye’s 2053 climate goals and protecting the country from environmental disasters.
Activists protest at London headquarters of global ad giant promoting fossil fuels
3 Jul 2025
The agency’s work for the fossil fuel industry has made it “complicit in causing existential harm to people and planet”, say campaigners, who are calling on WPP to drop those clients.
Straterra has a new name: the New Zealand Minerals Council
16 Apr 2025
Media release | Straterra has been renamed as New Zealand Minerals Council, says chief executive Josie Vidal.
China solar and wind installations break more world records
Mon 7 Jul 2025
China is leading the world in new solar and wind installations and doing so at a record-shattering pace.
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".
Kiwi ‘smart panel’ startup aiming to reduce energy bills and emissions
Fri 4 Jul 2025
NZ start-up Basis this week launched an ‘intelligent’ panel to replace traditional electrical switchboards in homes, which it says can save the average home $1,200 NZD annually on bills and lead to lower emissions.
United Nations carbon market rules agreed but concerns remain
25 Nov 2024
New carbon market rules agreed at the fractious UN climate summit will be a relief to New Zealand and Singapore, who were leading the negotiations, but concerns about greenwashing and disadvantaging nature-based solutions remain.
Media round-up
Fri 4 Jul 2025
In our weekly round-up of climate coverage in local media: Proposed changes to forestry rules won’t solve the ‘slash’ problem; New Plymouth District Council officially opposes seabed mining; and is local media coverage of climate change lacking when reporting extreme weather events?
Waste Levy risks becoming ‘slush fund’ under proposed changes – Commissioner
5 Jun 2025
By Shannon Morris-Williams | Proposed changes to New Zealand's waste legislation risk undermining public trust in the waste levy scheme, according to Parliamentary Commissioner for the Environment Simon Upton.
NZ urgently needs to change approach to flood management - experts
2 Jul 2025
Experts say climate change is squarely to blame for flooding in Nelson - but isn’t getting the media attention it deserves - and the country urgently needs to change its approach to flood management in the face of climate change.
UN University report warns against carbon credits from REDD, tree planting, and improved forest management
13 Jun 2025
But the report stops short of recommending banning the trade in carbon temporarily stored in trees.
For the first time, China invests more in wind and solar than coal overseas
29 May 2025
China’s Belt and Road Initiative, long derided for its heavy carbon footprint, was dominated by wind and solar power projects for the first time from 2022 to 2023, according to a new analysis. But coal plants financed in earlier years are still coming online.
