Topics tagged with 'Science'
Industrial waste could offset climate emissions
9 Nov 2015
More than a billion tonnes of potentially toxic, bleach-like waste is produced and piled in landfills every year, with often devastating effects. And yet most people haven’t even heard of these ‘alkaline wastes’.
Why we need a world agreement on agri emissions
2 Nov 2015
Pushing for a global agreement on agricultural emissions could benefit the climate and trade, says one of our leading climate scientists.
Best not to mess with agriculture yet, says NZ First
2 Nov 2015
Agriculture should be left out of the Emissions Trading Scheme until other countries act on biological emissions, says New Zealand First leader Winston Peters.
How to build a city fit for 50deg heatwaves
2 Nov 2015
The Persian Gulf is already one of the hottest parts of the world, but by the end of the century increasing heat combined with intense humidity will make the region too hot for habitation, according to research published in Nature Climate Change.
Solar can cut our bills and still be good for utilities
2 Nov 2015
The cost of solar energy continues to fall, so it is no surprise that more people are adopting solar.
Hurricanes wreak economic havoc as world warms
27 Oct 2015
Analysis of insurance data convinces environmental economists that climate change is pushing up the cost of dealing with the disastrous effects of extreme weather events.
Big emitters shift burden to poorer nations
27 Oct 2015
Researchers say emissions reduction targets set by China, the US and Europe place harsh demands on the rest of the world, and could cast a pall over the Paris climate summit.
Wages set to fall unless warming is tackled
27 Oct 2015
Researchers say the economic costs of failing to take action on climate change will be much greater than previously thought – with average global incomes cut by almost a quarter.
A new era of migration ... and not just for people
19 Oct 2015
The world is watching as refugees flood into a Europe unprepared for the new arrivals.
Worried health workers call for climate action
12 Oct 2015
Tens of thousands of New Zealand health workers are calling for New Zealand to take urgent action on climate change, which they say is a critical health issue.
It's time for the hard work to begin
12 Oct 2015
Recent trips by President Obama highlight the costs of adapting – or responding – to climate change that we are paying today and will pay tomorrow.
Scientists push boundaries to find alternative energy
12 Oct 2015
From algae to alloys, ingenuity in the world’s laboratories is fuelling experiments to find new ways of providing viable sources of clean energy.
France has a soil plan – and it’s not just about wine
12 Oct 2015
French wine lovers have always taken their soil very seriously. But now the country’s government has introduced fresh reasons for the rest of the world to pay attention to their terroir.
Climate threatens Pacific with seesaw sea levels
5 Oct 2015
Scientists say coasts and communities in the Pacific region face more extreme weather hazards as climate change magnifies the devastating El Niño effect.
Safer battery could spark investment in renewables
5 Oct 2015
Researchers have developed a battery that uses a common food additive to enable abundant solar and wind power to be stored cheaply and safely in homes and offices.
Elephant grass could offer viable alternative to coal
5 Oct 2015
By adapting a tropical grass to grow in the British climate, scientists hope to be able to replace coal in power stations with biofuel.
How low-tech farming can help African farmers
28 Sep 2015
Politicians and the Pope are not the only ones calling for action on climate change these days. Farmers are observing changes in rainfall, temperature and other patterns in weather that have spurred them into shifting their farming methods.
Let’s take the market out of conservation
21 Sep 2015
For years, scientists and environmentalists have debated the best ways to conserve and protect natural resources from pollution and over-exploitation.
India in disarray over strategy on global warming
21 Sep 2015
Researchers in India say its action on climate change is suffering because, unlike China, it has not developed the institutions needed to co-ordinate policy.
Smart modelling to help with aquifer management
7 Sep 2015
Smart modelling techniques will provide the horsepower behind a range of new methods to improve the management of New Zealand’s aquifers.
Scientists to probe ocean acidification
7 Sep 2015
NIWA scientists are carrying out a major research project to determine how New Zealand’s marine ecosystems are faring under climate change.
The green-tech future is a flawed vision of sustainability
31 Aug 2015
What does your vision of a sustainable future look like? Some people imagine a scenario whereby technology solves the world’s most pressing environmental problems.
Hurricane Katrina: what have we learned?
31 Aug 2015
Two academic papers inspired a media firestorm, polarising popular opinion and scientists, on whether global warming was in some way responsible for Hurricane Katrina.
Emissions are putting species in lethal danger
31 Aug 2015
Scientists warn that lizards, coral reefs and forests are all seriously under threat unless agreement is reached to reduce drastically fossil fuel emissions.
We can turn CO2 in the air into new materials
31 Aug 2015
What if there were a way to suck carbon dioxide right out of the air and turn it into useful products? It might seem fantastic but scientists have actually proved it’s possible.
Nelson talkfest to get serious about contaminants
24 Aug 2015
Business, government and academic global leaders gather in Nelson this week to talk about the environmental impacts of manufactured contaminants.
China’s carbon count is not as high as feared
24 Aug 2015
The use of poor-quality coal in Chinese power plants means that the carbon dioxide emissions of the world’s biggest polluter are 10% less than previously thought.
If we want to eat tuna, we need to learn how to share
24 Aug 2015
Amid growing demand for seafood, gas and other resources drawn from the world’s oceans, and growing stresses from climate change, QUENTIN HANICH examines some of the challenges and solutions for developing 'the blue economy' in smarter, more sustainable ways.
Time to tap an underused energy source: wasted heat
24 Aug 2015
Millions of people worldwide can’t afford to keep their homes warm, but few realise the heat wasted in our energy system could provide the answer.
Climate expert gives Anzacs a fail mark
17 Aug 2015
Australia has set a post-2020 emissions reduction target as poor as that of New Zealand.
Frustrated Sydney gets climate act together
17 Aug 2015
Sydney is acting to protect itself against heat waves, floods, storms and energy shortages as a result of climate change.
Why promoting green ways in Africa might be bad
17 Aug 2015
Inadequate infrastructure is widely recognised to be holding back Africa’s development and lowering the quality of life of its citizens.
Extreme weather puts Africa's food security at risk
17 Aug 2015
A British government scientific panel says increasingly frequent heat waves, droughts and other extreme weather threaten more – and more severe – global food crises.
Added gene can make rice more climate-friendly
17 Aug 2015
Scientists discover a way to boost production of the grain that billions rely on for food – and reduce its damaging emissions of methane.
World doesn't have time for pessimism, says IPCC man
10 Aug 2015
IPCC deputy chair Professor Jean-Pascal van Ypersele says he hasn’t got time to be pessimistic about whether the world will take action to avoid catastrophic climate change.
Revolutionary fence is set to trap the sea’s power
10 Aug 2015
A British company has announced plans for an array of unique marine turbines that can operate in shallower and slower-moving water than current designs.
Here’s how we can save the car – and the planet
10 Aug 2015
Passenger cars are still the most popular transportation mode. In 2014, nearly 68m were produced globally.
‘Peak car’ means UK might get much closer to carbon targets than it realised
10 Aug 2015
Cars are one of the biggest threats to the planet. The transport sector accounts for more than 60% of global oil consumption and about a quarter of energy-related carbon emissions, and it’s seen as harder to decarbonise than other parts of the economy.
Half of climate safety level has gone, say scientists
3 Aug 2015
Global temperatures have risen by 1°C in the past 150 years, and scientists say doubling that level could unleash catastrophic sea level rise this century.
Fossil fuel industry still winning the investment war
3 Aug 2015
The campaign to convince investors not to use their money to support the extraction and use of fossil fuels is failing to gain enough converts, experts say.
Sustainable oil from algae: the technology is ready, but what about the politics?
3 Aug 2015
Ultimately, all of the oil we use to power our modern lives comes from living creatures such as algae – albeit ones that lived 3.5 billion years ago, before gradually morphing into fossil fuel.
Message in a bottle: wine industry gives farmers a taste of what's to come
3 Aug 2015
Wine seems to be a handy way to galvanise concerns about the future ill-effects of climate change.
Why cities are a rare good news story in climate change
27 Jul 2015
The visit last week of 65 mayors to the Vatican to discuss climate change, among other things, reflects the central role of cities in debates that for too long took place only at the global and national level.
Soil maps could help show the way for farmers
27 Jul 2015
Detailed soil maps of farms could reduce nitrate leaching and help to improve food production, a Lincoln University report suggests.
Norway pumps up 'green battery' plan for Europe
27 Jul 2015
Norway is hoping to become the “green battery of Europe” by using its hydropower plants to provide instant extra electricity if production from wind and solar power sources in other countries fade.
Japan signs up for geothermal classes
20 Jul 2015
New Zealand and Japan will work together on geothermal energy research.
Australia hit its Kyoto target, but it was more a three-inch putt than a hole in one
20 Jul 2015
In the saga of mendacity that is the climate policy debate, no claim has been more audacious than the one now being told by the federal government about Australia’s “success” in meeting its Kyoto emissions target.
Eco-friendly golf means not worrying if the grass is greener on the other course
20 Jul 2015
The Open Championship has returned to St Andrews, one of the world’s oldest and most prestigious golf courses and one that has been recognised for its commitment to sustainability.
Climate threat as grave a risk as nuclear war, say scientists
20 Jul 2015
The risks of climate change are comparable to those posed by nuclear conflict, says a new report.
'Failed' NZ could be walking into trap at Paris climate summit
13 Jul 2015
New Zealand could be in trouble with its post-2020 emissions reduction target if the world doesn’t allow us to continue to use creative accounting to meet our obligations, international scientists are warning.
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.
