Topics tagged with 'Science'
Carbon could be key to better water, says researcher
9 Mar 2015
Adding carbon dioxide to waste water could improve water quality, says a NIWA scientist undertaking doctoral biological research at the University of Canterbury.
When it comes to N in effluent – fresher is better
2 Mar 2015
MEDIA RELEASE: The fresher the better – that’s one of the findings of new research which shows available nitrogen from farm dairy effluent diminishes the longer the effluent is stored.
New Zealand’s defective law on climate change, by Sir Geoffrey Palmer
23 Feb 2015
Distinguished law fellow Sir Geoffrey Palmer, QC, has been at or near the heart of our attempts to tackled climate change for nearly three decades.
Shell chief calls for climate action, but what are the motives?
23 Feb 2015
Shell chief Ben van Beurden is pointing the way for oil companies to demand greater certainty over future climate policy.
Climate impacts on European farmers’ yields per field
23 Feb 2015
Farmers in Europe have already begun to feel the pinch of climate change as yields of wheat since 1989 have fallen by 2.5 per cent and barley by 3.8 per cent on average across the whole continent.
Rice serves up double measure of biofuel and fodder
16 Feb 2015
Japanese scientists have found a potential answer to the biofuel dilemma that if you grow crops for energy, you have to sacrifice crops for food.
Geoengineering might work in a rational world … but we don’t live in one
16 Feb 2015
The publication of a hefty two-volume report on geoengineering by the US National Research Council represents a marked shift in the global debate over how to respond to global warming.
UN states agree on key document for climate change pact
16 Feb 2015
A key milestone on the route to a new, universal agreement on climate change has been reached by more than 190 states meeting in Geneva.
Welcome to 2015 where fracking changes everything
2 Feb 2015
Forget, for the moment, whether you think fracking is an energy godsend or an endtimes disaster. Just consider how it’s everywhere.
Energy pours into cutting-edge conservation ideas
27 Jan 2015
A battery that could treble electric car mileage and cut costs is among the innovations moving closer to reality on the frontiers of science.
Kiwi keeps an eye on Qatar project environment
27 Jan 2015
A New Zealander is in the Middle East working to reduce the environmental impacts of a major sea port project.
TWELVE ways to deal with a climate change denier (the BBQ guide)
22 Dec 2014
The end of the year is nigh and it’s a time for Christmas and New Year parties and gatherings. In the southern hemisphere that means barbecues and beaches. In the northern hemisphere it’s mulled wine and cosy fireplaces. But for all of us, it probably means we’ll be subjected to at least one ranting, fact-free sermon by a Typical Climate Change Denier (TCCD).
Australia's emissions targets are heading in the wrong direction
22 Dec 2014
Australia’s emissions of climate-changing greenhouse gases are going up and up – and are set to rise by more than 50% over 1990 levels by 2020, according to new research.
Organic techniques closing gap on farming yields
22 Dec 2014
The unintended consequences of the agricultural food system – polluted air and water, dead zones in coastal seas, soil erosion – have profound environment implications for human health and the environment. So more sustainable agricultural practices are needed as soon as possible.
Why climate policies are for life, not just for Christmas
22 Dec 2014
Devoted followers of international wrangling on climate change will see much that they recognise in the five-page text emanating from the UN climate talks in Lima.
Voluntary action isn't enough to make cities better
22 Dec 2014
Voluntary programmes are all the rage. From ratcheting up obesity cybersecurity to fighting obesity, firms in the United States and elsewhere voluntarily make pledges to do better than governmental regulation.
Climate talks off on the rocky road to Paris
15 Dec 2014
A deal struck in Lima between 196 nations today leaves open the possibility of saving the planet from dangerous overheating. But its critics say the prospects of success are now slim.
Our new energy mix is a game-changer, says India
15 Dec 2014
While the political spotlight focused on the world’s two biggest polluters − China and the US − in the run-up to the Lima climate talks, pressure is mounting on India to set emissions targets to help to prevent the planet overheating.
It doesn't take much to turn up the temperature
8 Dec 2014
Start the car, turn on the gas under the kettle, shovel some coal on the fire. Each time that happens, another pulse of carbon dioxide is released into the atmosphere.
Memo farmers: Learn to manage your methanotrophs
1 Dec 2014
Farmers could cut their future exposure to carbon prices by looking after the methanotrophs in their soils, a soil scientist says.
Why playing around with the climate could make things a whole lot worse
1 Dec 2014
Geoengineering – which sometimes seems to be the despairing climate scientist’s Plan B – simply won’t work.
Scientists find new fuel job for sawdust
1 Dec 2014
Researchers at KU Leuven’s Centre for Surface Chemistry and Catalysis, in Belgium, have converted sawdust into building blocks for gasoline.
New shadow minister eyes climate change priorities
24 Nov 2014
Labour's new climate change and environment spokesperson says there's never been a time when she didn't believe in climate change.
Green Revolution trebles human burden on planet
24 Nov 2014
Humans are changing not just climate overall, but also the difference between seasons in any given year.
NZ carbon measuring project turns 60
24 Nov 2014
Sixty years ago, New Zealand scientists started the world’s first long time-series of atmospheric radiocarbon measurements.
Australia’s coal and gas exports being left stranded
24 Nov 2014
The United States and China have announced goals to reduce emissions by 26 per cent to 28 per cent and to cap emissions by 2030 respectively.
How a garden on your roof could fight floods this winter
24 Nov 2014
In recent years, there seems to have been a rise in the extreme weather all over the world from terrible flooding in Bangladesh and Pakistan, the record cold snap in North America, to one of the wettest winters on record in the United Kingdom.
Lakes expert to spotlight water quality
17 Nov 2014
An American water quality expert who has studied and modelled the effects of nutrients in American lakes will be sharing his knowledge at a public forum in Rotorua this week.
Diet's effects on emissions give food for thought
17 Nov 2014
American researchers confirm that a shift to vegetarian, Mediterranean or fish-based diets would cut greenhouse gases, conserve forests and savannah, and have a big impact on obesity-linked health problems.
Climate change will send pollen count soaring
10 Nov 2014
Scientists have identified a new hazard that will arrive as a result of climate change: a huge increase in hay fever and pollen allergies.
Election rout blow to US climate change role
10 Nov 2014
The role of the United States in confronting the global climate crisis has been cast into serious doubt after an election that stacked the deck in Congress in favor of fossil fuel industries.
Why warnings on climate spark aggressive denials
10 Nov 2014
If you don’t like the message on climate change, it seems that the answer is to shoot the messenger.
US drought shows why the price of water should rise
10 Nov 2014
Last January, California Governor Jerry Brown declareda State of Emergency following projections of severe drought.
Social acceptance new key for today's miners
10 Nov 2014
A licence to dig is no longer enough for today’s mining and extractive companies. Stakeholder approval is progressively becoming a “must have” for mining companies around the globe — a requirement these companies widely acknowledge through what’s known as a “social licence to operate”.
Leaders must act, says UN after dire climate report
3 Nov 2014
If left unchecked, climate change will increase the likelihood of severe, pervasive and irreversible impacts for people and ecosystems, says a United Nations report.
What the politicians said ...
3 Nov 2014
All three of New Zealand's major political parties say that the IPCC's latest call on climate change is important.
Salt-poisoning a growing threat to crops
3 Nov 2014
Salt is poisoning around 2000 hectares of irrigated farm land every day – and has been doing so for the past 20 years, according to new research.
Why uncontrolled climate change might limit growth
3 Nov 2014
By JACK PEZZEY.- “But who do you think’s right, Prof? The optimists or the pessimists?” At the end of my sustainability economics course in 2007, students were challenging me to end 20 years of professional fence-sitting.
Universities act to hit fossil fuel firms where it hurts
28 Oct 2014
Glasgow recently became the first European university to join the rapidly expanding fossil-free divestment movement. Following hot on the heels of the Australian National University, Glasgow promised to move £18m of investment over the next 10 years.
Oil boom prompts US to push for crude exports
28 Oct 2014
Oil and coal producers in the United States are planning to use mile-long tanker trains to transport vast quantities of fossil fuels to the coast through areas that environmental groups believe should be protected.
Problem seaweed could provide biofuel solution
20 Oct 2014
It has often been used as a farmland fertiliser, and in some communities it is eaten as a vegetable, but now researchers believe that seaweed could power our cars and heat our homes.
Outlook palls for fossil fuel investment
20 Oct 2014
Warnings within the world of high finance are coming thick and fast that the increasingly urgent need to combat climate change means investors could lose heavily by sinking funds into coal, oil and gas.
Don’t get too excited, no one has cracked nuclear fusion yet
20 Oct 2014
Aerospace giant Lockheed Martin’s excitement in the media announcement last week that it could make small-scale nuclear fusion power a reality in the next decade has understandably generated
New Zealand is drying out ... and here’s why
13 Oct 2014
Over 2012 and 2013, parts of New Zealand experienced their worst drought in nearly 70 years.
'Business as usual' no way to run our rivers
13 Oct 2014
If, as delegates to the 17th International Rivers Symposium agreed, that river restoration is “the hottest topic on the planet” then the insistence by governments world-wide to ignore it is the issue.
World of clean energy 'feasible' by mid-century
13 Oct 2014
A global low-carbon energy economy is not only feasible, it could double electricity supply by 2050 while actually reducing air and water pollution, according to new research.
China’s mythical coal habit is no excuse for climate inaction
13 Oct 2014
By MAREK KUBIC.- I’ve heard it many a time, and you probably have, too. It’s supposedly the trump card to any argument on addressing climate change globally: “Yeah, but what’s the point? Isn’t China building a new coal plant every week?"
VUW researchers work on better solar systems
13 Oct 2014
Victoria University of Wellington researchers are part of a worldwide effort to design cheaper and more efficient solar energy materials.
We're wrong about waterways, admits Government
6 Oct 2014
The Government has admitted that official information on the state of New Zealand’s waterways is wrong.
Human handprint marks Australia’s hottest year
6 Oct 2014
Despite the Australian prime minister’s climate science scepticism, research funded by taxpayers has unanimously found man-made climate change guilty of causing the country’s record-breaking temperatures last year.
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.
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.
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.
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”.
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.
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.
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?
At least 30 killed and several missing as heavy rains and floods lash northern China
Wed 30 Jul 2025
Thousands of people were evacuated as the region, including the capital Beijing, braced for more rainfall overnight.
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.
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.
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.
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.
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.
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.
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.
A third of ‘slum residents’ in global south are exposed to disastrous flood risks
Wed 30 Jul 2025
One in three people in informal settlements in the global south live in floodplains and are at risk of a “disastrous flood”.
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.
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.
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.
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.
SBTi releases Net Zero Standard for banks, investors
24 Jul 2025
The Science Based Targets initiative announced the release of its finalised Financial Institutions Net-Zero Standard, aimed at enabling banks and investors to set net zero-aligned targets for their lending, investing, insurance and capital markets activities.
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.
‘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.
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.
Taranaki mayors want hydrogen kick-start from Wellington
Mon 28 Jul 2025
By Craig Ashworth, Local Democracy Reporter Taranaki mayors want central government to partner up with their councils to kick-start a hydrogen industry. This despite ongoing questions about the gas’s effectiveness in reducing carbon emissions.
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.
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.
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.
All aboard for passenger rail in the golden triangle
Mon 28 Jul 2025
Media release – The Future Is Rail | New Zealand’s national passenger rail advocacy group, The Future is Rail, has announced its strong support for the Green Party’s proposal to establish a new passenger rail service connecting Auckland and Tauranga.
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'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.
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.
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.
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”.
‘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.
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.
As US climate data-gathering is gutted, Australian forecasting is now at real risk
Wed 30 Jul 2025
As damage from climate change intensifies, political change overseas is threatening Australia’s ability to track what’s happening now, and predict what will happen next.
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.
Straterra has a new name: the New Zealand Minerals Council
16 Apr 2025
Media release | Straterra has been renamed as New Zealand Minerals Council, says chief executive Josie Vidal.
China's carbon emissions may have peaked thanks to renewables push
Mon 28 Jul 2025
Climate experts say China's carbon emissions may have peaked, which could affect global climate targets, the fight against global warming – and the Australian coal industry.
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’.
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.
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.
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.
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.
UN University report warns against carbon credits from REDD, tree planting, and improved forest management
13 Jun 2025
But the report stops short of recommending banning the trade in carbon temporarily stored in trees.
For the first time, China invests more in wind and solar than coal overseas
29 May 2025
China’s Belt and Road Initiative, long derided for its heavy carbon footprint, was dominated by wind and solar power projects for the first time from 2022 to 2023, according to a new analysis. But coal plants financed in earlier years are still coming online.
