Topics tagged with 'Science'
Could products made of CO2 help cool the planet?
13 Oct 2021
CO2 is the main culprit in global warming, in part because it is virtually impossible to produce almost any product without releasing carbon dioxide. But what if products could be created from CO2 instead of releasing it
Why newer cars aren’t always better for the climate
13 Oct 2021
Is it better for the climate to go out and buy the latest, most fuel-efficient car, or keep driving the fairly decent car you already own for a little while longer? The answer is probably the latter, a new study suggests.
A lack of fish faeces is changing the flow of carbon in the ocean
12 Oct 2021
A shortage of fish faeces is contributing to shifts in the ocean’s carbon cycle of an equivalent magnitude to that of the impact of climate change on the ocean.
45,000,000 doctors call for urgent action on climate change
12 Oct 2021
Media Release - Ambitious national climate commitments are crucial for States to sustain a healthy, green recovery from the COVID-19 pandemic, according to a new UN health agency report launched on Monday in the lead-up to the COP26 climate change conference in Glasgow, Scotland.
Iron battery breakthrough could eat lithium’s lunch
11 Oct 2021
The world’s electric grids are creaking under the pressure of volatile fossil-fuel prices and the imperative of weaning the world off polluting energy sources. A solution may be at hand, thanks to an innovative battery that’s a cheaper alternative to lithium-ion technology.
Hack the planet competition 2021 finalists announced
8 Oct 2021
Media Release - After an unprecedented pan-Commonwealth search for innovative satellite-driven solutions to tackle the challenges of the climate emergency and ocean sustainability, the Satellite Applications Catapult and the Commonwealth Secretariat are delighted to announce the inaugural finalists of the Hack the Planet competition 2021.
Maori land-burning practices triggered a major rise in carbon emissions 700 years ago
7 Oct 2021
The arrival of the Maori to New Zealand in the 14th Century led to a major increase in black carbon emissions in the Southern Hemisphere, Antarctic ice core study shows.
Climate change disasters will cost Australia billions each year
7 Oct 2021
Climate change-related disasters will cost Australia $73bn a year by 2060, even if action to curb emissions is taken now, a report has found.
Voices from global south muted by climate science
7 Oct 2021
Climate change academics from some of the regions worst hit by warming are struggling to be published, according to a new analysis.
Climate change kills 14% of coral reefs in under a decade
6 Oct 2021
Rising ocean temperatures killed about 14% of the world's coral reefs in just under a decade, according to a new analysis from the Global Coral Reef Monitoring Network.
Massive inflatable sails could cut shipping's carbon footprint
6 Oct 2021
Michelin’s new wing-sails are getting a lot of attention as new regulations put pressure on the shipping industry to reduce their carbon footprint.
Climate science breakthroughs earn Noble
6 Oct 2021
Three scientists have been awarded the 2021 Nobel Prize in Physics for their work to understand complex systems, such as the Earth's climate.
Water scarcity poised to exact an increasingly heavy toll
5 Oct 2021
Water scarcity will be the biggest climate-related threat to corporate assets like factories within the next few decades, according to a recent report.
Look beyond carbon credits to put a price on nature’s services: experts
5 Oct 2021
Putting a value on nature could be the key to getting the trillions of dollars in investments nature-based solutions need to successfully tackle the climate crisis, experts said at a recent sustainability conference in Singapore.
Marine heatwaves could have dire impact on NZ fisheries
4 Oct 2021
The ocean around New Zealand is getting warmer, and extreme warming events have become more frequent over the past years. New research shows these marine heatwaves could have devastating impacts on ocean ecosystems.
Climate change is making Earth dimmer
4 Oct 2021
Earth is reflecting less light as its climate continues to change, new research suggests.
What scientists can teach us about dealing with climate doom
4 Oct 2021
"It's a kind of hopelessness I guess. Helplessness," says Ross Simpson, 22, from Glasgow. He's telling me how he and his friends feel about stopping the worst effects of climate change.
Wealthy must lead by example on climate change
1 Oct 2021
A paper published in the journal Nature Energy identifies five ways that people of high socioeconomic status have a disproportionate impact on global greenhouse gas emissions—and therefore an outsized responsibility to facilitate progress in climate change mitigation.
Interactive climate atlas allows you to travel in time
1 Oct 2021
The IPCC just made it easy to access and visualize a ton of data.
Plastic and climate crises are linked
30 Sep 2021
For the first time, an interdisciplinary team of scientists collected evidence on how both global problems exacerbate one another, creating a dangerous cycle. The researchers identified three significant ways that the climate change crisis and marine plastic pollution are connected.
Seagrass: The plant that removes carbon 30 times faster than a rainforest
30 Sep 2021
WWF has teamed up with Sky to promote their ‘Force for Nature’ campaign, an effort to repopulate the UK’s coasts with carbon-capturing seagrass.
Tweets, emails or hand-written notes? What gets politicians to speak up on climate
29 Sep 2021
With the United Nations-led climate negotiations set to occur in November, citizens around the world have reason to despair at their governments’ efforts to tackle climate change. A new Canadian study looks at the most effective ways for citizens to get their politicians to take a stand.
Removing one tonne of methane from atmosphere could be worth up to $US2700
28 Sep 2021
A scientific paper published by the Royal Society has estimated that removing a tonne of methane from the atmosphere could be worth as much as $US2700 a tonne.
China's belt and road policies could hurt environment and indigenous communities
28 Sep 2021
A new study has found that up to 60% of China's development projects pose a threat to indigenous communities and the environment.
'Just transitions' focus of latest Policy Quarterly
27 Sep 2021
The latest issue of Victoria University's Policy Quarterly is focussed on 'just transitions' - the idea that the transition to a zero carbon economy can be done in a way that benefits everyone.
AI may be set to reveal climate-change tipping points
24 Sep 2021
Researchers are developing artificial intelligence that could assess climate change tipping points. The deep learning algorithm could act as an early warning system against runaway climate change.
Report shows how native American nations respond to climate change
24 Sep 2021
Indigenous nations are at the frontlines of climate change, but they’re also leaders in how to adapt to changing weather conditions and transition to renewable energy.
L.A.’s new reflective streets bounce heat back into space
23 Sep 2021
When the scientists aboard the International Space Station direct their thermal camera at Los Angeles, standing out from the sweltering red and orange blob is a crescent of cool, blueish white deep in the San Fernando Valley.
One in five Australian carbon credits junk: study
22 Sep 2021
About 20% of carbon credits created under the federal Coalition’s main climate change policy do not represent real cuts in carbon dioxide and are essentially “junk”, new research suggests.
NZ climate change plan a missed opportunity to save thousands of lives and billions of dollars
21 Sep 2021
The Climate Change Commission’s final advice to government fails to take account of the potential health benefits of climate change mitigation measures that have the potential to save thousands of lives and billions of dollars in health costs, according to a paper published in the New Zealand Medical Journal.
Deadwood releasing 10.9 gigatons of carbon every year
21 Sep 2021
Decaying wood releases around 10.9 gigatons of carbon worldwide every year, according to a new study by an international team of scientists.
CO2 shortage: why a chemical problem could mean more empty shelves
21 Sep 2021
As far as the environment goes, carbon dioxide is probably public enemy number one. This makes it all the more ironic that the UK is currently suffering from a shortage of the gas, which experts warn will affect a variety of industries, most notably food and drink.
New solar is cheaper to build than to run most existing coal plants
20 Sep 2021
Last week, BloombergNEF’s released estimates for its global benchmark that tracks the levelized cost of electricity, or LCOE, for utility-scale PV and onshore wind. The LCOE looks at the all-in cost to build, operate, and maintain power plants and then calculates the cost per megawatt-hour (MWh) of the energy produced based on all of those inputs.
Companies backing kelp may be rushing ahead of the science
20 Sep 2021
Sinking seaweed could sequester a lot of carbon, but researchers are still grappling with basic questions about reliability, scalability and risks.
What are the biophysical limits to growth?
17 Sep 2021
Steve Keen, one of the world's leading heterodox economists, is among a high-powered panel of multi-disciplinary experts debating the biophysical limits of growth next Monday.
Climate change not slowed by the COVID pandemic: UN
17 Sep 2021
The pace of climate change has not been slowed by the global COVID-19 pandemic and the world remains behind in its battle to cut carbon emissions, according to the United Nations.
Climate experts fear Aukus will dash hopes of China emissions deal
17 Sep 2021
The timing of the new defence deal between the US, UK and Australia has dismayed climate experts, who fear it could have a negative effect on hopes of a deal with China on greenhouse gas emissions ahead of vital UN climate talks.
This year's giant Antarctic ozone hole probably due to climate change
17 Sep 2021
A giant ozone hole has opened up over Antarctica this year. Already larger than the entire ice-covered continent, the ozone hole has surpassed the size of 75% of ozone holes measured since 1979 and is still growing. Scientists believe climate change might be the cause.
World’s first carbon-neutral fuel plant breaks ground in Chile
17 Sep 2021
Work has started on a pioneering wind farm on the Magellan Straits in southern Chile that will produce green hydrogen and help Porsche produce e-fuels, with Chilean energy minister Juan Carlos attending the groundbreaking ceremony.
Not a single G20 country is in line with the Paris Agreement on climate
16 Sep 2021
None of the world's major economies -- including the entire G20 -- have a climate plan that meets their obligations under the 2015 Paris Agreement, according to an analysis published Wednesday, despite scientists' warning that deep cuts to greenhouse gas emissions are needed now.
James Hansen warns rate of global warning set to double
16 Sep 2021
James Hansen, a climate scientist who shook Washington when he told Congress 33 years ago that human emissions of greenhouse gases were cooking the planet, is now warning that he expects the rate of global warming to double in the next 20 years.
Scientists call for 'fossil fuel non-proliferation treaty'
16 Sep 2021
"We, the undersigned, call on governments around the world to adopt and implement a Fossil Fuel Non-Proliferation Treaty, as a matter of urgency, to protect the lives and livelihoods of present and future generations." So begins an open letter from 2,185 scientists from 81 countries presented to the UN this week.
Australian bush fires belched out immense quantity of carbon
16 Sep 2021
The extreme bush fires that blazed across southeastern Australia in late 2019 and early 2020 released 715 million tonnes of carbon dioxide into the air — more than double the emissions previously estimated from satellite data, according to an analysis1 published today in Nature.
World now sees twice as many days over 50C
15 Sep 2021
The number of extremely hot days every year when the temperature reaches 50C has doubled since the 1980s, a global BBC analysis has found.
UN calls for 'repurposing' farm subsidies harming environment
15 Sep 2021
Farming subsidies worth around $500 billion doled out by governments every year must be repurposed, three UN agencies warned on Tuesday, citing the environmental and health damage they cause.
River Tamar allowed to flood farmland to help wildlife and climate
15 Sep 2021
Project to reverse Victorian-era reclamation creates rich, marshy land that can lock in carbon.
New Norwegian wind turbine five times more efficient
14 Sep 2021
Norwegian company Wind Catching Systems is developing a floating, multi-turbine technology for wind farms that could generate five times the annual energy of the world’s largest, single wind turbine.
The carbon footprint of a full English breakfast
14 Sep 2021
Over four-fifths of the English population say they enjoy a full English breakfast. But when food production accounts for a quarter of global greenhouse gas emissions, and 11% of UK emissions come from agriculture, it’s time to think critically about how we can reduce the impact of our breakfasts – without compromising on quality or taste.
Quantifying food-related global greenhouse gas emissions
14 Sep 2021
Global emissions from the production of animal-based food are about double the amount of emissions from plant-based food production, according to a model by international researchers.
Almost certainly the world's coolest climate change research centre
13 Sep 2021
Dorte Mandrup Arkitekter has revealed the first photographs of the Ilulissat Icefjord Centre, a climate research and visitor centre on Greenland's rugged coastal landscape.
Govt weakens climate legislation, strips CCC’s powers
Today 12:00pm
By Liz Kivi | The Government has announced sweeping changes to key climate legislation, including stripping the independent Climate Change Commission of one of its core roles, and removing the requirement that Emissions Trading Scheme settings align with international climate targets.
Govt delays will damage carbon market confidence, experts warn
Tue 4 Nov 2025
By Liz Kivi | Emissions Trading Scheme experts have warned the Government that its move to delay decisions on the country’s emissions budgets will further undermine confidence in an already weak carbon market.
NZ’s government wants tourism to drive economic growth – but how will it deal with aviation emissions?
22 Oct 2025
By Robert McLachlan, Te Kunenga ki Pūrehuroa – Massey University | Following a brief dip during the COVID pandemic, aviation is back in a growth phase.
Air NZ inks deal for its first internationally verified carbon credits
9 Oct 2025
By Liz Kivi | Air New Zealand has committed to buying 8000 tonnes of carbon removals by 2030, in partnership with local native forest investment platform My Native Forest.
Celebrities slam mining plans
28 Oct 2025
Actor Sam Neill has slammed plans for a gold mine in Otago, while Denniston Rose author Jenny Pattrick is backing a petition that would stop a coalmine on the West Coast.
Govt launches strategy backing wood-based heat sector
23 Oct 2025
By Pattrick Smellie | Forestry biomass could replace as much as 40% of fossil fuel-generated process heat by 2050, but access to supply, regulatory settings and business cases for converting to wood-based heat sources are required, the Government says in a series of documents released yesterday.
Another hit to market as Govt uncouples ETS from international climate target
Today 12:00pm
By Liz Kivi | The Government’s surprise move to break the connection between the Emissions Trading Scheme and New Zealand’s Paris Agreement climate target is a brutal hit to confidence in an already moribund market.
UNEP: New country climate plans ‘barely move needle’ on expected warming
Today 12:00pm
Executive director Inger Anderson made the comments as UNEP published its 16th annual assessment of the global “emissions gap”.
Carbon price drops, now trading 30% below auction floor
Mon 3 Nov 2025
By Liz Kivi | Secondary carbon market prices took a sharp downward turn last week, with traders blaming a continued lack of interest from buyers.
Scrutiny on energy security
Mon 3 Nov 2025
A special debate in Parliament put the Government’s energy security agenda under scrutiny, with parties splitting sharply over the role of gas, the place of an LNG import terminal, and how far to push market reform to ease pressure on power bills.
'Little to be hopeful about' – NZ scientists caution ahead of COP30
Fri 31 Oct 2025
By Shannon Morris-Williams | Record heat, worsening climate impacts and global backsliding on emission reduction commitments have left some New Zealand climate experts with little optimism as COP30 approaches.
$235 billion worth of NZ buildings exposed to flooding
Thu 30 Oct 2025
More than 750,000 New Zealanders live in locations exposed to one-in-100-year floods, according to a nationwide study which shows escalating flood risk.
Brazil opens three weeks of COP30-linked climate events
Tue 4 Nov 2025
Brazil on Monday opens three weeks of events linked to the COP30 climate summit, hoping to showcase a world still determined to tackle global warming
Hutt City Council slashes gas emissions
Mon 3 Nov 2025
By Shannon Morris-Williams | Hutt City Council is set to cut its gas emissions by 60% by 2026 as it speeds up phasing out fossil fuels from public facilities.
From nuisance to crisis: New report on pest wasps In Aotearoa
24 Sep 2025
Media release: Moths and Butterflies NZ Trust | Just published is the Final Report of the Pest Wasps Survey carried out by the Moths and Butterflies of NZ Trust (MBNZT) offering a comprehensive look at New Zealanders’ awareness, experiences, and attitudes toward wasps and the growing ecological, health, and social issues associated with them.
Auckland Council toughens up on building in flood risk areas
Today 12:00pm
Media release: Auckland Council | From Monday 3 November 2025, stronger planning rules take effect in Auckland to better protect people and property from natural hazards.
NZ marine heatwaves could double in intensity under high-emissions pathway
16 Oct 2025
By Shannon Morris-Williams | New projections show marine heatwaves will grow more intense around the North Island and more frequent around the South Island as the climate warms – raising risks for fisheries, aquaculture, coastal ecosystems and tourism.
Media round-up
Fri 31 Oct 2025
In our round-up of climate coverage in local media: A controversial seabed mining project could lead to sediment flows knocking over rigs and damaging wind turbines; weather-related insurance claims climb; and is the government playing Russian Roulette with our future over methane targets?
RMA to speed up fossil fuel consents
18 Aug 2025
By Liz Kivi | An energy lobby group has welcomed a last-minute amendment to the RMA that puts fossil fuels on the same footing as renewables, however a sustainable energy expert says the move “beggars belief.”
Bank of England must better address climate risk to tackle inflation
Tue 4 Nov 2025
The central bank is being urged to take a series of actions to better respond to environmental risks.
No major banks have yet committed to stop funding new oil, gas and coal, research finds
24 Oct 2025
‘The objectives of the Paris agreement are slipping further out of reach,’ say researchers.
TotalEnergies loses in Paris court, marking a turning point for fossil fuel truth-in-advertising
Today 12:00pm
TotalEnergies was found to have misled consumers about its role in the energy transition.
Lake Onslow battery project set for revival?
29 Oct 2025
A newly formed private consortium has emerged with plans to finance and build the massive Lake Onslow pumped-hydro project, despite the coalition government’s decision to abandon the scheme.
Hiringa eyes green methanol plant near Whanganui
29 Jul 2025
By Pattrick Smellie | Green hydrogen pioneer Hiringa Energy is deep in planning to develop an “eight-to-nine figure” methanol plant near Whanganui, using a combination of biomass and hydrogen produced using renewable energy.
Vero warns losses to rise 26% by 2050 over extreme weather
29 Oct 2025
By Shannon Morris-Williams | Extreme weather could drive a 19–26% spike in annual insurance losses by 2050, fuelled by rising seas and more intense flooding, according to Vero’s latest Climate-Related Disclosures Report.
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.
Z Energy settles greenwashing case over ‘quitting petrol’ claims
Tue 4 Nov 2025
By Shannon Morris-Williams | Z Energy has settled a landmark greenwashing case over claims it misled the public about moving away from petrol – a result Lawyers for Climate Action NZ says delivers long-overdue accountability.
Nelson commuters urged to ditch car once a week
22 Oct 2025
By Max Frethey, Local Democracy Reporter | Nelson has a bold carbon emission reduction target and residents are being encouraged to leave the car at home one day a week to help meet it.
Supermarket fast-track a ‘cynical ploy’, risks climate and environmental protections
Today 12:00pm
By Shannon Morris-Williams | The Government’s “express lane for supermarkets” announcement has been met with fierce backlash, with critics calling the Fast-track Approvals Amendment Bill a Trojan horse that strips environmental protections, sidelines communities, and hands sweeping powers to ministers at the expense of democracy.
Boost for voluntary carbon markets in Watts’ surprise package
Today 12:00pm
By Pattrick Smellie | Voluntary carbon market development gets a solid push in the package of climate change legislative reforms dropped by Climate Change Minister Simon Watts early last evening.
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.
Climate impacts hit NZ with increasing wild weather
23 Oct 2025
By Liz Kivi | New Zealand is facing a triple whammy of climate impacts today, with severe winds and rainfall predicted for much of the country while some areas are still dealing with wildfires ignited earlier in the week.
Carbon Finance Program upscales efforts to close climate investment gap in climate vulnerable nations
22 Oct 2025
Media release | The Climate Vulnerable Forum and its V20 Finance Ministers (CVF-V20) will work with the Voluntary Carbon Markets Integrity Initiative (VCMI) to upscale the Carbon Finance Program in reach and impact, supporting more climate-vulnerable countries to host high-integrity carbon projects that yield tangible climate, nature, and sustainable development benefits.
Lobby group launches ‘blueprint’ for ocean management reform
18 Sep 2025
The Environmental Defence Society yesterday released its plan to tackle widespread ecological decline in our oceans.
Judge says Greenpeace must pay $345 million in pipeline lawsuit, cutting jury amount nearly in half
Fri 31 Oct 2025
A North Dakota judge has ordered Greenpeace to pay damages of $345 million, reducing an earlier jury award after it found the environmental group and related entities liable for defamation and other claims in connection with protests of an oil pipeline nearly a decade ago.
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.
Here comes the sun: solar surge gathers pace
Tue 4 Nov 2025
More than $700 million of new solar investment advanced last week, underscoring the pace of the renewable buildout.
Solar households to get little-noticed tax break
23 Sep 2025
A provision in the government’s latest tax bill would exempt households from paying tax on income they earn by selling excess electricity back to the grid.
Climate scientists and republican lawyers are taking aim at Big Tech’s emissions
17 Oct 2025
Technology companies have long been one of the biggest investors in clean energy, but new accounting rules could upend that.
Last minute change to oil and gas legislation over cleanup costs
31 Jul 2025
By Liz Kivi | The government is expected to repeal the oil and gas ban today, with a last-minute amendment handing discretionary power to two ministers over the controversial issue of decommissioning.
How ‘vehicle-to-grid’ technology could boost China’s electricity system
Fri 31 Oct 2025
China’s surging electric vehicles ownership – now exceeding 25.5m – is opening the door to a new technology that can help to enhance the flexibility of electricity supply.
Fix it, don't ditch it: University of Auckland hosts first Repair Cafe
9 Oct 2025
Media release - Auckland University | The University's first-ever Repair Cafe is bringing students and staff together to give broken items a new lease on life, while promoting a culture of repair and reuse.
Council buys dairy farm to help clean up Lake Rotorua
21 Oct 2025
Bay of Plenty Regional Council has bought a 266-hectare dairy farm in the Lake Rotorua catchment and plans to retire it from production to reduce nitrogen entering the lake.
Adaptation plan at odds with public sentiment: survey
21 Oct 2025
By Liz Kivi | The Government’s position on climate adaptation buyouts shows a disconnect with public opinion, according to survey findings from insurer Suncorp NZ.
‘Damp squib’ – Govt energy plan slammed for locking in fossil fuels
2 Oct 2025
By Shannon Morris-Williams | Critics across business, climate groups and the opposition say the Government’s electricity reforms duck structural change, double down on LNG and gas, and offer little relief for soaring power prices – warning of an “expensive white elephant", deeper energy poverty and a missed chance to scale renewables.
