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Topics tagged with 'Science'

More in: Science
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Climate smart’ policies could increase southern Africa’s crops by up to 500%

25 Mar 2022

The climate crisis is threatening food stocks in sub-Saharan Africa, but a comprehensive approach to food, farming and resources could increase crop production by more than 500% in some countries in the region, according to new research by more than 200 experts.

Indian forest loss ‘worse than feared’ due to climate change

25 Mar 2022

Forest loss in India could become an even bigger problem than anticipated in the coming years, with new research revealing climate change has caused significant recent losses.

19 oil and gas producing countries must cut oil and gas 76% by 2030 to keep 1.5° alive

24 Mar 2022

Nineteen oil and gas-producing countries must reduce production by three-quarters this decade and phase it out completely by 2034 to keep a 1.5°C climate future within sight, according to a new analysis released this week by the United Kingdom’s Tyndall Centre for Climate Change Research.

Arctic sea ice winter peak in 2022 is 10th lowest on record

24 Mar 2022

Arctic sea ice has reached its maximum extent for the year, peaking at 14.88m square kilometres (km2) on 25 February. It is the 10th smallest winter peak in the 44-year satellite record.

UN weather agency to spearhead 5 year early warning plan, boosting climate action

24 Mar 2022

The UN set an ambitious five year deadline on Wednesday for countries to ensure that citizens worldwide are protected by early warning systems against extreme weather and climate change, the UN chief announced, marking World Meteorological Day.

Protecting the beasts of the land and sea could help fight climate change

24 Mar 2022

Large animals could be big allies in the fight against climate change, according to a new analysis.

Astronomy's contribution to climate change rivals the emissions from some countries

22 Mar 2022

Astronomers spend their careers looking up at the sky, away from Earth, but now some stargazers say their field has to grapple with the fact that observing the cosmos is contributing to their home planet's climate emergency.

Antarctica and Arctic experiencing more than 30 to 40 degree temperature increases

21 Mar 2022

Antarctica and Arctic temperatures have dramatically increased by at least 30 to 40 degrees Celsius, according to multiple reports.

Permafrost peatlands ‘on a precipice’

21 Mar 2022

Global warming is pushing the carbon-storing peatlands in Northern Europe and Siberia closer to a climate tipping point than previously believed, researchers warn, but policies to reduce emissions can still save the lands in northernmost Western Siberia.

Methane-eating bacteria convert greenhouse gas to fuel

18 Mar 2022

Methanotrophic bacteria consume 30 million metric tons of methane per year and have captivated researchers for their natural ability to convert the potent greenhouse gas into usable fuel. Yet we know very little about how the complex reaction occurs, limiting our ability to use the double benefit to our advantage.

Coal Mines emit more methane than oil and gas wells

17 Mar 2022

Coal mines already emit more methane than venting and flaring at all the world’s oil and gas wells, and that impact could increase by more than 20% if all the new mines now on the drawing boards are built, warns a new report this week by Global Energy Monitor (GEM).

Could EV trucks be an alternative to Lake Onslow?

17 Mar 2022

Hydroelectric dams are the world’s largest source of renewable electricity. But they are not necessarily green. They can upend ecosystems, displace wildlife and people, cause local droughts, and even emit greenhouse gases. Besides, they are expensive to build and can only be built in locations with the right geology.

Carbon dioxide will have to be removed from air to achieve 1.5C: report

10 Mar 2022

Removing carbon dioxide from the air will now be essential if there is to be any chance of meeting global climate targets, a thinktank has warned.

Carbon removal factory

10 Mar 2022

In September, Climeworks flipped the switch on Orca, the largest plant to date that is designed to remove carbon dioxide from the air.

Amazon rainforest nears tipping point that may see it become savannah

8 Mar 2022

The Amazon rainforest is nearing a tipping point that will see it transform into savannah, according to researchers who have found that the biodiversity hotspot has lost resilience in the past two decades.

Marine heatwaves getting longer and hotter: NIWA

7 Mar 2022

A new report by NIWA scientists is warning New Zealand could experience very long and "very severe" marine heatwaves by the end of the century.

‘Atlas of Human Suffering’ only matters if countries take action

3 Mar 2022

After two days of absorbing, parsing, and reading analyses of this week’s Intergovernmental Panel on Climate Change (IPCC) report on climate impacts, adaptation, and vulnerability, one conclusion shines through: the compendium that UN Secretary General António Guterres calls an “atlas of human suffering” will only matter if countries take action.

Climate stories don’t have to be depressing to be effective

3 Mar 2022

Stories in which characters take action with an intent to protect the climate make readers more likely to support climate policies and more likely to say they’ll take pro-environmental actions themselves, according to a new study.

Reaching peak carbon early could save hundreds of thousands of lives in China

3 Mar 2022

Reaching peak carbon emissions before its 2030 target could help China to avoid more 600,000 deaths from exposure to the most deadly small particles over the following two decades, a study has found.

‘One of the most extreme disasters in colonial Australian history’: climate scientist

3 Mar 2022

The deluge dumped on southeast Queensland and northern New South Wales this week has been catastrophic. Floodwaters peaked at around 14.4 metres high in Lismore – two metres higher than the city’s previous record.

Kiwi climate scientist's call for strike makes New York Times

2 Mar 2022

Massey University's Bruce Glavovic was in the news yesterday as one of the authors of the Intergovernmental Panel on Climate Change's latest assessment. Today's he's in the New York Times making the case for a climate scientists strike.

Need to focus on coastal cities: Bruce Glavovic

2 Mar 2022

Dr Bruce Glavovic may be calling for climate scientist strike but he's still doing his utmost to alert the public to the dire consequences of climate change. In his latest piece for The Conversation he argues that coastal cities are where transformative climate-resilient development can happen.

The UN’s climate report highlights the dangers of natural solutions

2 Mar 2022

A variety of researchers have highlighted the potential to leverage nature to combat climate change, by planting trees or growing crops to suck carbon dioxide out of the atmosphere.

Tonga volcano eruptions have smaller cooling impact on climate change: study

2 Mar 2022

An analysis has revealed that the cooling effect of Tonga's volcano eruptions would be much smaller than initially thought and not strong enough to overwhelm longer-term global warming tendency.

These solar panels pull in water vapor to grow crops in the desert

2 Mar 2022

Using a unique hydrogel, scientists in Saudi Arabia created a solar-driven system that successfully grows spinach by using water drawn from the air while producing electricity.

An "atlas of human suffering": Guterres

1 Mar 2022

"An atlas human of suffering" was UN Secretary General Antonio Guterres pithy summary of the latest climate report released by the Intergovernmental Panel on Climate Change yesterday.

Cyclone risks are intensifying for India due to climate change

1 Mar 2022

Increasing temperatures in the north Indian Ocean is spurring more intense cyclones that spell trouble for India's densely-populated coastal regions. And climate change is to blame, according to a new study.

Deforestation emissions far higher than previously thought: study

1 Mar 2022

Carbon emissions from tropical deforestation this century are far higher than previously thought, doubling in just two decades and continuing to accelerate, according to a study.

California's carbon markets getting in the way of climate targets: report

1 Mar 2022

CALIFORNIA'S carbon market could be hurting the state’s chances of meeting its ambitious climate goals, while at the same time exacerbating pollution in already overburdened communities, two new reports warn.

New UN report set to paint stark picture of impacts of climate change

28 Feb 2022

A NEW UN science report [being released at midnight tonight NZ time] is set to send what may be the starkest warning yet about the impacts of climate change on people and the planet.

Russian official apologizes to Ukraine at climate science meeting

28 Feb 2022

A Russian government representative apologized to Ukraine and said there was no justification for his country's invasion during a meeting of climate scientists and governments on Sunday morning

Using land to tackle climate change could have ‘adverse impacts’ on global hunger

28 Feb 2022

Relying heavily on land use to tackle climate change could slow the decline in global hunger, according to new research published in Nature Food.

UN report warns climate change could spur 50% more wildfires by 2100

25 Feb 2022

A UN report has found governments are spending too much money on fire suppression and not enough on prevention.

Fossils emit 70% more methane than governments report: IEA Tracker

24 Feb 2022

Emissions of climate-busting methane from fossil fuel operations are 70% higher than national governments are reporting, according to the 2022 edition of the Global Methane Tracker released this morning by the International Energy Agency (IEA).

Antarctica will likely set an alarming new record this year: new data

23 Feb 2022

As surging global temperatures alter the landscape of the Arctic, scientists are observing what's shaping up to be a new record at the other end of the globe.

Climate change is sickening, literally!

23 Feb 2022

Climate change has a major role in the shifting of range and seasonality of several diseases, the most prominent of which includes Lyme disease.

Covid shutdown linked to record rainfall in China

22 Feb 2022

Scientists say that a rapid drop in emissions because of Covid played a key role in record rainfall in China in 2020. The decline in greenhouse gases and small particles called aerosols caused atmospheric changes that intensified the downpours.

Engineered bacteria produce chemicals with negative carbon emissions

22 Feb 2022

Bacteria engineered to turn carbon dioxide into compounds used in paint remover and hand sanitiser could offer a carbon-negative way of manufacturing industrial chemicals.

Fatal distraction: the problem with the methane pledge

22 Feb 2022

Over the past year, the world has experienced severe heatwaves, wildfires, and drought. As global temperature continues to creep upwards, these events will become more frequent and more extreme.

Colonialism distorts efforts to save climate-threatened heritage: report

21 Feb 2022

Climate change threatens to destroy invaluable heritage sites and traditions in marginalized countries — but empowering local people is key to adaptation.

Forests follow unexpected—and surprisingly fast—paths to recovery

17 Feb 2022

A new study found that carbon, nitrogen and soil density in cleared forests reached 90% of levels in untouched forests after 1 to 9 years. They key was leaving them alone.

A child born today needs to emit 10 times less than their grandparents

16 Feb 2022

Children born today will emit 10 times less carbon during their lifetimes than their grandparents if the world achieves the goal of reducing global emissions to net zero by 2050.

‘Dangerously fast’ methane increase suggests feedback mechanism may have begun

15 Feb 2022

Methane concentrations in the atmosphere have risen at a “dangerously fast” rate and now exceed 1,900 parts per billion, prompting some researchers to warn that climate change itself may be driving the increase.

In a warmer future, ocean carbon sinks could help stabilise our planet

15 Feb 2022

We think of trees and soil as carbon sinks, but the world's oceans hold far larger carbon stocks and are more effective at storing carbon permanently.

Flyers not willing to pay extra for green travel: study

14 Feb 2022

A new scientific study has slammed the effectiveness of airline carbon offsetting schemes in combatting climate change.

Why climate change talk must focus on water

14 Feb 2022

Nothing works like clarity in getting things done. And the world needs to get down its carbon emissions to keep it habitable for most of us in the not-too-distant future. Naturally, then, most climate conversations revolve around carbon, with political and business leaders jumping onto the Net Zero bandwagon. So why muddy the waters, by talking about, um, water?

Polar bear inbreeding and bird 'divorces': Weird ways climate change is affecting animal species

14 Feb 2022

The world's biodiversity is constantly being threatened by warming temperatures and extreme changes in climate and weather patterns.

Scientists raise alarm over ‘dangerously fast’ growth in atmospheric methane

11 Feb 2022

As global methane concentrations soar over 1,900 parts per billion, some researchers fear that global warming itself is behind the rapid rise.

Rethinking how to measure methane's climate impact

10 Feb 2022

Like boxers whose punching power declines over their careers, greenhouse gasses lose their warming impact at different rates. So, to compare gasses' climate changing potential to the most common greenhouse gas—carbon dioxide—international negotiators often use a metric that measures their influence on global warming over a 100-year timeframe.

Ice that took roughly 2,000 years to form on Mt. Everest has melted in around 25

8 Feb 2022

The highest glacier on the world's tallest mountain is losing decades worth of ice every year because of human-induced climate change, a new study shows.

Adaptation
More >

Governments must vote in favour of moratorium on deep sea mining

Tue 29 Jul 2025

Media release - Greenpeace | The 30th session of the International Seabed Authority (ISA) has ended with Greenpeace saying governments are continuing to fall short in protecting the deep sea.

Agriculture
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Awarua-Waituna Wetlands

Does NZ need a national incentive scheme for wetlands?

Fri 25 Jul 2025

By Liz Kivi | An expert is calling for a national incentive programme to restore New Zealand’s wetlands and wants to stop schemes to drain these vital carbon-sequestering ecosystems.

Airlines
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NZ Post drops science-based climate target

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.

Aviation
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Airlines risk legal challenges by advertising jet fuel as “sustainable”, NGO warns

18 Jul 2025

Amid suspected fraud in the production of sustainable aviation fuel (SAF), a new report says the airline industry should stop calling all alternatives to kerosene “sustainable”.

Biodiversity
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Challenges persist in bid to mine the deep sea, even after boost from Trump

Tue 29 Jul 2025

After years of delay, the deep-sea mining plans of Canadian firm The Metals Company (TMC) now appear to be progressing as it pursues a controversial new path to securing a license to mine in international waters under U.S. jurisdiction.

Biofuels
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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 Credits
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Huntly Power Station, the largest thermal power plan in New Zealand.

Is extending Huntly power station to 2035 in consumers’ best interest?

22 Jul 2025

By Simon Orme | COMMENT: Genesis Energy is proposing a cartel to keep high-emitting Huntly Power Station in business to 2035. If extending Huntly has economic benefits, is a cartel necessary?

Carbon News world
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Trump administration moves to repeal scientific declaration on dangers of greenhouse gases

Today 10:45am

In one of its most significant reversals on climate policy to-date, the Trump administration on Tuesday proposed to repeal a 2009 scientific finding that human-caused climate change endangers human health and safety.

Carbon prices
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Bearish sentiment lingers for carbon market

11 Jul 2025

By Liz Kivi | The compliance carbon market could be set for a gradual upward trajectory, however unsold volume from the quarterly Emissions Trading Scheme auctions continues to act as ‘a price ceiling,’ according to an expert.

Coal
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Multi-day protest continues at coal mine

Wed 30 Jul 2025

Bathurst Resources has been forced to truck coal from its Stockton mine as climate activists occupy coal buckets at the mine for a third day.

Comment
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Forestry can be a big plus for sheep and beef farmers – but there are caveats

22 Jul 2025

By Keith Woodford | OPINION: These are good times for sheep and beef farmers with record product prices for meat, which is precisely why now is the time for sheep and beef farmers to be looking again at farm forestry.

Construction
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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.

COP
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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.

Emissions trading
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NZ voluntary carbon market’s sad state

14 Jul 2025

By John O’Brien | OPINION: A combination of scandals, challenging economic times, and cheaper offshore carbon credits, mean that the domestic voluntary carbon market in New Zealand remains absolutely tiny.

Energy
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Geothermal power station near Taupō

A modest geothermal strategy

Today 10:45am

By Pattrick Smellie | The Government has unveiled a far more modest geothermal energy strategy than its primary backer, Resources Minister Shane Jones, had sought.

Extinction
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Key orange roughy population on verge of collapse, govt considers closure

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.

Extreme weather
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2025 on track to be second or third warmest year on record

Today 10:45am

As it passes its midway point, 2025 is on track to be the second or third warmest year on record. However, it is very unlikely to beat 2024 as the hottest year.

Fishing
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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.

Forestry
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Jim Ward, manager of Molesworth station for 24 years, resigned amid frustration with wilding pines and uncertainty about the station’s future.

Wilding pines threaten Molesworth Station

Mon 28 Jul 2025

By Shannon Morris-Williams | Without increased support, the unchecked spread of wilding pines will continue to creep across Marlborough’s high country – putting iconic landscapes and one of New Zealand’s top five biodiversity hotspots at serious risk, according to an expert.

Gas
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Resources Minister Shane Jones

Last minute change to oil and gas legislation over cleanup costs

Today 10:45am

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.

Geothermal
More >
Energy Minister Simon Watts addressing the CEP conference in Auckland this week

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.

Green finance
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European Central Bank to consider 'climate factor' when lending to banks

Today 10:45am

The European Central Bank will add climate change considerations to its lending operations from late 2026, raising pressure on banks to channel financing towards greener sectors as the euro zone seeks to reduce its carbon footprint.

Greenhouse Effect
More >
Deepsea brittle star species from New Zealand, part of the Earth Sciences New Zealand's invertebrate collection in Wellington

NZ part of hidden global deep-sea network beneath the waves

Fri 25 Jul 2025

Media release - Earth Sciences New Zealand | A world-first study of marine life, including sea creatures found in New Zealand's dark, cold, pressurised ocean depths, has revealed that deep-sea life is surprisingly more connected than previously thought.

Greenwashing
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Prime Minister Christopher Luxon greets schoolchildren

‘Ideological sludge’: How NZ is quiet quitting climate action

17 Jul 2025

New Zealand once stood out as a world leader on climate change. In June it became the first country in the world to abandon a commitment to phase out oil, gas and coal.

Hydro power
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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.

Hydrogen
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Hiringa chief executive Andrew Clennett

Hiringa eyes green methanol plant near Whanganui

Tue 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.

Insurance
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Climate catastrophes are creating a ‘new market reality’ for insurance carriers

23 Jul 2025

Raging wildfires and severe storms contributed to record-high global insurance losses — totalling an estimated US$84 billion — for the first six months of the year.

Kyoto
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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.

Litigation
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Newcastle is one of the largest coal export ports in Australis

The ICJ’s ruling means Australia and other major polluters face a new era of climate reparations

Fri 25 Jul 2025

By Harj Narulla | OPINION: Australia has found itself on the wrong side of history.

Low carbon
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Fund for low emissions transport winds up

Today 10:45am

New Zealand’s Low Emission Transport Fund has officially wrapped up, ending a nine-year programme that put hundreds of millions of dollars towards accelerating the country’s shift to cleaner transport.

NZ ETS
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Urgent action needed to get on track for climate goals - commission

Fri 25 Jul 2025

By Shannon Morris-Williams | New Zealand is making progress on reducing greenhouse gas emissions, but more work is needed – urgently – to set up for future reductions, according to the latest report from the Climate Change Commission.

NZ Market Report
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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.

Oceans
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Toxic algae are turning South Australia’s coral reefs into underwater graveyards

Tue 29 Jul 2025

Since March, a harmful algal bloom, fueled by a marine heat wave, has been choking South Australia’s coastline.

Paris Agreement
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The landmark advisory, which significantly transforms the obligation of states regarding climate change, being delivered at the International Court of Justice in the Hague.

NZ govt’s fossil fuel plans could break international law

24 Jul 2025

By Liz Kivi | The government could be breaching international law with its plans to subsidise and expand fossil fuel extraction, following a ruling overnight from the world’s highest court.

Planetary boundaries
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Tipping points: Window to avoid irreversible climate impacts is ‘rapidly closing’

11 Jul 2025

In the midst of a record-breaking heatwave in Europe, the UK city of Exeter recently played host to the second international conference on “tipping points”.

Plastics
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‘Total infiltration’: How plastics industry swamped vital global treaty talks

Mon 28 Jul 2025

Petrostates and well-funded lobbyists at UN-hosted talks are derailing a deal to cut plastic production and protect people and the planet.

Policy development
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Media round-up

Fri 25 Jul 2025

In our round-up of the climate coverage in local media: Dairy conversions surge; Gore is hit with a drinking water crisis; meanwhile farming lobby groups Groundswell and Federated Farmers are up in arms about a plan to classify environmental impacts in the agriculture and forestry sector.

Politics
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The EU’s ‘fantasy’ $750B energy promise to Trump

Today 10:45am

The EU has narrowly avoided a full-blown trade war with Donald Trump by pledging to buy $750 billion of U.S. oil and gas by the end of his term. But achieving that will be almost impossible.

Protest
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Activists sue US development bank over $4.6bn loan to massive Mozambique gas project

18 Jul 2025

Environmental groups claim loan is ‘unlawful’ in legal filing.

Rare earth minerals
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New Zealand Minerals Council chief executive Josie Vidal

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.

Renewable energy
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Tilting at windmills? Trump’s claims about turbines fact-checked

Today 10:45am

The US president has taken a swipe at wind power as the blades visible from his Turnberry golf course turn.

Tax
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Climate groups want UK wealth tax to make super-rich fund sustainable economy

17 Jul 2025

Growing number of campaigners urge government to ensure green investment is not done ‘on backs of the poor’.

Technology
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Can robot taxis solve NZ's transport woes?

23 Jul 2025

By Shannon Morris-Williams | The Ministry of Transport has tested the idea of driverless taxis as a futuristic fix. But while new modelling explores how "robotaxis" could ease congestion and reduce car ownership, critics say it misses a crucial point – the country’s worsening transport emissions.

The House
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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.

Transport
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EV sales fall, but it’s complicated

Tue 29 Jul 2025

Imports of fully electric vehicles fell over 50% in value during the 12 months to June 2025, compared with the year ended June 2024, according to Stats NZ.

Waste
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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.

Water
More >

The struggle for control of the Arctic is accelerating - and it's riskier than ever

11 Jul 2025

As the battle for one of the world’s coldest places heats up, an increasingly fragile security balance may be breaking down, leading to an escalating arms race.

Wildfires
More >

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.

Wind energy
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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.

More in: Science
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