Topics tagged with 'Science'
The counting of 9.9 billion trees could help manage climate credits and nature restoration
2 Mar 2023
Researchers from the University of Copenhagen and NASA have developed a method that has now mapped several billion trees and their carbon uptake in Africa's Sahel region.
Microalgae to help capture carbon from power plants in new research venture
2 Mar 2023
US researchers have been awarded a $2 million grant from the Department of Energy to explore the potential of microalgae to absorb CO₂ emissions from industrial power plants.
Could imitating volcanos fix the climate crisis? Science is spilt
1 Mar 2023
The controversial theory of solar geoengineering is at the centre of a growing body of climate research in Asia and elsewhere.
Scientists want near moratorium on geoengineering to cool climate — for now
1 Mar 2023
Scientists are slamming the brakes on deliberately interfering with the climate to temporarily counteract global warming until the pros and cons are more fully known.
An incendiary form of lightning may surge under climate change
1 Mar 2023
A form of lightning with a knack for sparking wildfires may surge under climate change.
Climate-resistant grapes? Spanish winemakers revive ancient varieties
1 Mar 2023
The ads – tucked in the corners of local newspapers and directed at winemakers – began turning up across Catalonia in the 1980s. “If you know where to find any uncommon grape varieties, please get in touch,” they read.
Researchers look at marine environment’s huge potential for carbon sequestration
28 Feb 2023
Scientists are aiming to unlock the local secrets of blue carbon, with research underway to deliver Aotearoa’s first national estimate of natural kelp-carbon sequestration in the marine environment.
World's forests losing ability to absorb carbon due to climate change
28 Feb 2023
A recent study published in the Nature journal has found that the world's forests are losing their ability to absorb carbon due to the increasingly 'unstable' conditions caused by human activities.
A looming El Niño could give us a preview of life at 1.5C of warming
27 Feb 2023
The last three years were objectively hot, numbering among the warmest since records began in 1880. But the scorch factor of recent years was actually tempered by a climate pattern that slightly cools the globe, “La Niña.”
German court rejects farmer's climate suit vs Volkswagen
27 Feb 2023
A German court on Friday rejected a farmer's bid to force automaker Volkswagen to end the sale of vehicles with combustion engines by 2030.
NIWA scientists disturbed by lack of sea ice on Antarctic journey
24 Feb 2023
Media release - Scientists from the National Institute of Water and Atmospheric Research (NIWA) have returned from a six-week voyage to Antarctica.
Carbon-absorbing underwater meadows planted
24 Feb 2023
Five million seagrass seeds will be planted off Wales' coast to create climate change-fighting underwater meadows.
Genetically modified trees are taking root to capture carbon
23 Feb 2023
A start-up has created poplar trees that are genetically engineered to grow larger and suck up more carbon dioxide from the atmosphere than standard trees do. This month, workers planted rows of these poplars in southern Georgia, kicking off the company’s plan to revolutionize forestry.
The climate benefits of a four-day workweek
22 Feb 2023
There's growing interest in the benefits of a four-day workweek for productivity and employee wellbeing, but the picture is more complicated when it comes to climate change.
Women and girls are disproportionately affected by climate change
21 Feb 2023
The adverse effects of climate change have impacted numerous areas of human health and well-being. In most parts of the world, women are least able to mitigate such changes, so they are an appropriate focus in a recent research paper.
Rationing: A fairer way to fight climate change?
21 Feb 2023
World War II-style rationing could be an effective way to reduce carbon emissions, according to new research from the University of Leeds.
Nearly 30 dangerous feedback loops could permanently shift the Earth’s climate: scientists
20 Feb 2023
Dangerous climate feedback loops are increasing global warming and risk causing a permanent shift away from the Earth’s current climate, according to a new study.
Outcry as scientists sanctioned for climate protest
16 Feb 2023
More than 2000 researchers from around the world have signed a letter asking the American Geophysical Union (AGU) to reverse actions it took against two scientists who briefly protested at its annual meeting in Chicago, Illinois, in December.
Global inequality must fall to maintain a safe climate and achieve a decent standard of living for all: researchers
16 Feb 2023
Energy consumption is essential for human well-being, but there is enormous inequality in energy use worldwide. The top 10% of global energy consumers use roughly 30 times more energy than the bottom 10%.
Supporters of a controversial climate solution say it could be key. Critics believe it is the path to catastrophe
14 Feb 2023
When US startup Make Sunsets released two weather balloons into the skies above Mexico's Baja California peninsula last year, it kicked up a fierce debate about one of the world's most controversial climate solutions.
Carbon emissions from fertilisers could be reduced by as much as 80% by 2050
10 Feb 2023
Researchers have calculated the carbon footprint for the full life cycle of fertilisers, which are responsible for approximately 5% of total greenhouse gas emissions—the first time this has been accurately quantified—and found that carbon emissions could be reduced to one-fifth of current levels by 2050.
Using wealth to insulate yourself from climate change
9 Feb 2023
While the days of overt climate denial are mostly over, there's a distinct form of denial emerging in its stead. PhD candidate Hannah Della Bosca, from the Sydney Environment Institute, explores the phenomenon of implicatory denial
Climate crisis drives more days of extreme wildfire risk in NZ
7 Feb 2023
As Aotearoa approaches the height of wildfire season, climate change means increasing forest fire risk – for at least an extra 30 days a year as the air gets thirstier, according to the latest science.
Water crises due to climate change: More severe than previously thought
3 Feb 2023
Climate change alters the global atmospheric circulation, which in turn alters precipitation and evaporation in large parts of the world and, in consequence, the amount of river water that can be used locally.
An El Niño is forecast for 2023. How much coral will bleach this time?
3 Feb 2023
Scientists remember the years between 2014 and 2017 as a particularly bad time for coral reefs. Elevated temperatures fueled by an El Niño climate pattern harmed about three-quarters of the world’s reefs in both hemispheres, forcing corals to release their life-sustaining zooxanthellae and turning them ghostly white in a process known as coral bleaching.
MIT study finds huge carbon cost to self-driving cars
2 Feb 2023
The widespread adoption of self-driving cars will create a major bump in carbon emissions without changes to their design, a study from the Massachusetts Institute of Technology has found.
Why increasing soil carbon is overrated
2 Feb 2023
Dutch researchers have found that yield effects of increasing soil carbon are inconsistent, ranging from negative to neutral to positive.
Scientists now know why methane mysteriously surged during lockdowns
2 Feb 2023
The world largely came to a halt in 2020 when extensive COVID-19 lockdowns were issued, which temporarily caused a global decline in greenhouse gas emissions. Despite the slowdowns in highly polluting sectors like aviation and manufacturing, methane emissions mysteriously climbed.
Earth is on track to exceed 1.5C warming in the next decade, study using AI finds
1 Feb 2023
The world is on the brink of breaching a critical climate threshold, according to a new study published on Monday, signifying time is running exceedingly short to spare the world the most catastrophic effects of global heating.
Solar farms put cow comfort and crop yield ahead of harvesting electrons
1 Feb 2023
Solar arrays that promise to generate happier, healthier cows and crops, while producing cheap electrons on the side, are being put into practice in France, following a series of government-led energy tenders with a difference.
How supermarket freezers are heating the planet, and how they could change
30 Jan 2023
Climate-conscious shoppers may buy local food and try to cut packaging waste, but those efforts could be negated by potent greenhouse gases leaking from supermarket fridges.
Re-carbonising the sea: Scientists to start testing a big ocean carbon idea
27 Jan 2023
Imagine showers of little green sand grains drifting through the ocean: collecting on coral reefs, rolling off the backs of whales, sprinkling schools of tuna — and helping to save all those creatures, and humanity, too. At least that’s the idea.
How ancient seeds from the Fertile Crescent could help save us from climate change
26 Jan 2023
Inside a large freezer room at the International Center for Agricultural Research in the Dry Areas, tens of thousands of seeds are stored at a constant temperature of minus 20 degrees celsius.
Comparing airfares instead of seat size fairer indicator of passenger carbon emissions: study
26 Jan 2023
Allocating passenger aircraft emissions using airfares rather than travel class would give a more accurate idea of individual contributions, finds a study led by UCL.
The voracious appetite of forest elephants can coax forests into storing more carbon
26 Jan 2023
Elephants been called a lot of things: the world’s largest land creatures, imperiled, majestic, charismatic. Now scientists have a few more terms for describing them: foresters and climate champions.
Adapting growing seasons to climate change can boost yields of world’s staple crops
25 Jan 2023
Rising global temperatures due to climate change are changing the growth cycles of crops worldwide. Recent records from Europe show that wild and cultivated plants are growing earlier and faster due to increased temperatures.
Scientists develop cheapest carbon capture system to date
25 Jan 2023
US researchers have developed a cost-efficient method that successfully captures CO2 and converts it into one of the world’s most widely used chemicals: methanol.
A few pieces of good news on climate change (and a reality check)
24 Jan 2023
Emissions of the greenhouse gases that cause climate change reached a new peak in 2022, according to early estimates. And climate disasters seem to be hitting at a breakneck pace. In 2022, the world experienced record heat waves in China and Europe, and devastating floods in Pakistan killed over 1,000 people and displaced millions.
Logged forests may be carbon emitters for years
24 Jan 2023
If you’ve ever been offered the opportunity to donate money to plant a tree to offset a purchase, you’ve probably guessed that trees naturally store carbon. Forests are an invaluable source of carbon storage around the world; one would assume that forests that have been cut down but are regrowing trees are also regaining their capacity to store carbon.
Climate change is transforming the Arctic
22 Dec 2022
A typhoon, smoke from wildfires and increasing rain are not what most imagine when thinking of the Arctic. Yet these are some of the climate-driven events included in a detailed annual update on the transformation of the once reliably frozen, snow-covered region which is heating up faster than any other part of the world.
Climate change can be beaten - why some scientists are hopeful
20 Dec 2022
Can our planet recover from climate change? The Conversation commissioning Editor, Kofoworola Belo-Osagie, asked scientists to share the reasons they believe there is hope.
Climate action delivers air quality & health gains in India
20 Dec 2022
New research shows how city actions to address climate change in India can deliver health benefits from cleaner air.
Whales could be a valuable carbon sink: scientists
16 Dec 2022
Whales influence the amount of carbon in our air and oceans, and may help reduce the amount of carbon in the atmosphere, according to new research by US and New Zealand scientists.
Climate change will impact mountains on a global scale
16 Dec 2022
According to research, climate change will have a severe effect on mountain landscapes and human activities, increasing the likelihood of avalanches, river floods, landslides, debris flows, and lake outburst floods.
Can sending fewer emails or emptying your inbox really help fight climate change?
16 Dec 2022
The massive carbon footprint left behind by emails has been widely discussed by the media, but most of the time these discussions are exaggerated.
‘Half the world’s languages could be lost to climate change’
15 Dec 2022
By 2100, at least half the world’s 7,000 languages could go extinct due to climate change.
Researchers chart a path to carbon-negative plastic
15 Dec 2022
If current trends and policies continue, global plastic demand will double by 2050 and triple by 2100, with similar increases in greenhouse gas emissions, according to a new study.
Fusion breakthrough could be climate, energy game-changer
14 Dec 2022
Scientists announced Tuesday that they have for the first time produced more energy in a fusion reaction than was used to ignite it — a major breakthrough in the decades-long quest to harness the process that powers the sun
Large wild herbivores may help slow climate change
14 Dec 2022
Large animals, especially herbivores such as elephants, are often seen as being destructive of vegetation, so are not thought of as a nature-based climate solution. Scientists are proving otherwise.
The world's permafrost is rapidly thawing and that's a big climate change problem
13 Dec 2022
An international study has predicted that permafrost thaw could contribute as much greenhouse gases to our atmosphere as a large industrial nation by the end of the century.
How flying can be a climate solution
Today 10:45am
By Paul Callister and Robert McLachlan - Planetary Ecology | How can aviation contribute to tackling climate change when no practicable technology-based solutions are on the horizon?
Forestry consents and relaxed rules in erosion zones sow seeds of future disaster
Fri 13 Jun 2025
OPINION: The government’s move to restrict exotic forestry on our best food-growing soils will push even more forestry investment onto high erosion risk land on the East Coast, with the worst land becoming the only land left for the most intensive and destructive land use, writes Manu Caddie
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.
'Time is right' for nature credits
Fri 13 Jun 2025
Media release | Sanctuary Mountain Maungatautari and Ekos are thrilled to be partnering with central government on the development of a voluntary Nature Credits Market pilot programme, announced by Associate Minister for the Environment Andrew Hoggard yesterday.
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 auction odds-on to fail
Fri 13 Jun 2025
By Liz Kivi | The carbon price has rallied slightly in recent weeks, however with secondary market prices still hovering around the $57 mark, well below this year’s $68 auction floor price, next week’s Emissions Trading Scheme auction looks set to fail.
World leaders’ failure to act is pushing Earth past 1.5°C
Today 10:45am
Based on mounting evidence, some scientists now fear we’ve entered a new era of the climate emergency, characterized by accelerated warming and amplified disasters.
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.
China's approvals of coal power plants grow after 2024 decline
Wed 11 Jun 2025
China approved 11.29 gigawatts of new coal power plants in the first three months of 2025, already exceeding the 10.34 GW approved in the first half of 2024.
A credible UN carbon market needs rules that count – we’ve just set them
Wed 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.
Legal experts sue Climate minister over ‘glaring holes’ in climate plan
Wed 11 Jun 2025
By Liz Kivi | Legal experts are taking the government to court over its Emissions Reduction Plan, alleging it fails to fulfil basic requirements of the law – with one of the arguments focussing on an over-reliance on tree-planting.
Electric firebricks: decarbonising high-temperature industrial heat
Fri 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.
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
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.
Government undermines regional powers to protect coastal biodiversity
Today 10:45am
Media Release | The Environmental Defence Society opposes the Government’s decision to press ahead with amendments to the Resource Management Act that severely curtail the ability of regional councils to manage the impacts of fishing on coastal marine biodiversity.
UN University report warns against carbon credits from REDD, tree planting, and improved forest management
Fri 13 Jun 2025
But the report stops short of recommending banning the trade in carbon temporarily stored in trees.
Labor accused of ‘gaslighting’ Australians on climate crisis as fossil fuel projects keep getting approved
9 Jun 2025
‘They offer sympathy and then just go and approve massive fossil fuel projects anyway,’ one advocate says.
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.
As methane climate impacts soar, NGOs, scientists, and advocates launch campaign to 'pull the methane emergency brake'
Fri 13 Jun 2025
Media release | International NGOs, scientists, and climate advocates are launching a global campaign calling for deep, rapid, mandatory cuts in methane emissions as the best way to lower near-term global temperature rise.
Govt uses climate change as ‘Trojan horse’ for other objectives
Tue 10 Jun 2025
By Shannon Morris-Williams | The Waitangi Tribunal has heard that the New Zealand Government’s international trade and investment agreements are failing to meet Tiriti o Waitangi obligations in the context of climate change – prioritising commercial interests while sidelining Māori rights and worldviews.
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?
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.
Tribunal asked to halt seabed mine fast-track
Today 10:45am
By Craig Ashworth, Local Democracy Reporter | South Taranaki hapū want the Waitangi Tribunal to halt a fast-track bid to mine the seabed off Pātea.
Foresters baulk at restrictions, land ballots
Wed 11 Jun 2025
By Liz Kivi | Forestry groups say that new legislation will introduce further uncertainty for planting plans and poses a threat to climate targets.
Ocean current ‘collapse’ could trigger ‘profound cooling’ in northern Europe – even with global warming
Fri 13 Jun 2025
A “collapse” of key Atlantic ocean currents would cause winter temperatures to plunge across northern Europe, overriding the warming driven by human activity.
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.
Legislation introduced to restrict farm-to-forest conversions
Tue 10 Jun 2025
Agriculture and Forestry Minister Todd McClay has today introduced a bill to Parliament that he says will put a stop to large-scale farm-to-forestry conversions.
Israel deports activist Greta Thunberg after military seized Gaza Freedom Flotilla ship
Thu 12 Jun 2025
Israel deported activist Greta Thunberg on Tuesday, the country's Foreign Ministry said, a day after the Gaza-bound ship she was on with 11 other people was seized by the Israeli military.
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.
Could Queenstown become the world’s most electric city?
Wed 11 Jun 2025
By Shannon Morris-Williams | Queenstown is set to become the focus of an ambitious initiative aiming to transform it into the world’s most electrified destination.
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".
Biochar's negative emissions tech coming to Fieldays
6 Jun 2025
Biochar Network New Zealand will showcase its negative emissions technology biochar at this year's Forestry Hub at Fieldays 2025.
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.
Climate progress slowing, says Auckland councillor
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.
Rapid action vital following UN Ocean Conference – experts
Thu 12 Jun 2025
New Zealand-based experts are calling for rapid and transformative action to restore nature - and our relationship with it - at the third UN Ocean Conference in France this week.
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.
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.
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.
