Topics tagged with 'Science'
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A fundamentally flawed study claiming that scientific evidence of a climate crisis is lacking should be withdrawn from the peer-reviewed journal in which it was published, top climate scientists have told AFP.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).
Tel Aviv has shade down to a science
17 Aug 2022
Along the tree-lined sidewalks of Tel Aviv’s Atidim Park, a business and commercial district in the north of the city, a curious new addition to the urban canopy arrived a few months ago.
Carbon market could offset Australia’s huge fire recovery bill
16 Aug 2022
\Australian scientists have put a dollar figure on the cost of recovery and restoration of native flora and fauna after the 2019-2020 summer bushfires.
This climate action tracker shows what we’re doing right - and wrong - on the road to net-zero emissions
16 Aug 2022
Is the world making progress on tackling climate change? Or is it stalling?
MIT researchers propose apace bubbles to stop climate change
15 Aug 2022
Climate change is a real problem. Human caused outputs of greenhouse gases like carbon dioxide and methane are the main driver of an unprecedented rise in global average temperatures at a speed never before seen in the Earth’s geologic record. The problem is so bad that any attempts to mitigate greenhouse gas emissions may be too little and too late. And so a team based at the Massachusetts Institute of Technology have proposed a radical new solution: bubbles…in space.
Last month was one of the warmest Julys on record, says UN
11 Aug 2022
Last month marked one of the three hottest Julys ever recorded, with global temperatures measuring nearly half a degree Celsius above average, the United Nations’ weather agency has said
Experts say the net zero concept is often used to delay taking action against emissions
11 Aug 2022
As large parts of Europe and North America swelter and then ignite, a future of endless climate destruction seems inevitable.
Climate change is making 58% of infectious diseases worse
10 Aug 2022
More than half of the infectious diseases known to impact humans are being aggravated by climate change, scientists reported Monday in a new study in the journal Nature Climate Change.
Climate change may increase mortality rate due to excess heat by six times: Lancet study
10 Aug 2022
Climate change may increase the mortality rate due to excessive heat six times by the end of the century, according to a modelling study published in The Lancet Planetary Health journal.
Climate change will push whales further south
9 Aug 2022
Climate change will send New Zealand’s iconic marine giants south, further destabilising local marine ecosystems as well as threatening Kaikoura’s tourism industry, according to new research.
A volcano is erupting again in Iceland. Is climate change causing more eruptions?
9 Aug 2022
The Fagradalsfjall volcano in Iceland began erupting again on Wednesday after eight months of slumber – so far without any adverse impacts on people or air traffic.
Kānuka could provide lucrative combined carbon-fixing regime
5 Aug 2022
By Liz Kivi | Kānuka could provide an alternative to pine plantations on marginal land, following a groundbreaking study showing kanuka oil as an effective treatment for eczema.
Global forest area declined by 60% since 1960, study finds
5 Aug 2022
A new study has found an alarming loss in forest areas globally, including that global forest area per capita has dropped from 1.4 hectares in 1960 to just 0.5 hectares per person by 2019, a 60% decline.
Urban rewilding combats global biodiversity decline
Wed 28 May 2025
Media release | A new study led by the University of Sydney reveals how cities around the world are restoring wildlife to their former habitats in the face of ongoing urban sprawl.
Controversy around NZ’s methane target hits international press
Today 12:00pm
By Liz Kivi | New Zealand’s approach to methane targets has hit international media, with climate scientists from multiple countries penning an open letter warning Prime Minister Christopher Luxon not to weaken methane targets.
Greenwashing is rife in Australia, but could its days be numbered?
Wed 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.
Govt's RMA overhaul sparks fears for nature and climate
Fri 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.
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
Thu 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.
EU climate chief lobbied Germany to back weakened 2040 goal
Today 12:00pm
The European Commission’s climate chief successfully lobbied Germany’s coalition government to endorse a controversial measure that weakens the EU’s next climate target.
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
Fri 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.
Owning a green home could cut mortgage payback time by two years
9 May 2025
A green certified home plus a green mortgage and associated energy bill savings could save Kiwi families up to $98,800 over the course of their mortgage - the equivalent of being mortgage-free several years early, according to new research.
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
Thu 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.
“It’s not the car – it’s how we move” – EECA
Today 12:00pm
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.
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.
Death toll from Nigeria flash floods rises to 151
Today 12:00pm
At least 151 people in central Nigeria are now known to have died following flash floods that destroyed homes and displaced thousands of residents earlier this week.
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.
Environmentalists see forestry changes as dangerous step for Tairāwhiti
Today 12:00pm
By Zita Campbell, Local Democracy Reporter | Tairāwhiti environmentalists have called changes for commercial forestry under proposed Resource Management Act reforms “a slap in the face” and a return to weaker forestry regulations.
Why expensive gas – not net-zero – is keeping UK electricity prices so high
Wed 28 May 2025
The UK’s high electricity prices have become intensely political, with competing claims over the cause of rocketing bills and how best to get them down.
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.
Could ‘orange’ hydrogen be NZ’s key to net-zero?
Fri 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.
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?
Today 12:00pm
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.
Kiwi cleantech companies on the world stage
27 May 2025
Six New Zealand 'cleantech' companies were in Singapore earlier this month, along with a venture capital firm and the MacDiarmid Institute, to meet investors and multinational partners.
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.
New research reveals NZ’s natural resource footprint
Thu 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.
World’s nations to gather in France to tackle what UN says is a global emergency in the oceans
Fri 30 May 2025
The world’s nations are gathering in France next month to tackle what the United Nations calls a global emergency facing the world’s oceans as they confront rising temperatures, plastic pollution choking marine life, and relentless overexploitation of fish and other resources.
Europe’s next climate target may already have been agreed in Berlin
Wed 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.
Warm water affecting Antarctica’s largest ice shelf - new research
22 Apr 2025
While Antarctica’s Ross Ice Shelf is currently stable, new research shows warm water is reaching up to 170 kilometres under the front of the ice shelf.
NZ's first chance in 20 years to catch up on waste
Fri 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.
For the first time, China invests more in wind and solar than coal overseas
Thu 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.
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".
While govt ‘refreshes’ fund for low carbon trucks, are transport emissions set to accelerate?
Wed 28 May 2025
By Liz Kivi | The government has announced it is updating the Low Emissions Heavy Vehicle Fund, however cuts to funds to decarbonise transport in last week’s budget, and potential changes to road user charges, could stall transport emissions reductions.
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.
More than 1 in 4 cars sold globally in 2025 expected to be EV: IEA report
26 May 2025
According to the Global EV Outlook 2025 report from the International Energy Agency (IEA), 2025 is set to be big for EV sales. The report predicts that about one in four cars sold worldwide this year will be electric, despite overall market uncertainties.
Brazil seeks early deals on two stalled issues at Bonn climate talks
26 May 2025
Moving forward work on just transition and implementing recommendations from the Global Stocktake of climate progress are key priorities for upcoming UN negotiations.
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.
Global sea levels rise spelling catastrophe for coastal towns and cities
14 May 2025
For around 2,000 years, global sea levels varied little. That changed in the 20th century. They started rising and have not stopped since — and the pace is accelerating.
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.
NZ moving too slowly to decarbonise – former commission chair
22 May 2025
By Liz Kivi | New Zealand's energy transition is too slow and too controlled by vested interests, according to former Climate Change Commission chair Rod Carr.
