Topics tagged with 'Science'

New study: nitrogen runoff strategies complicated by climate change
10 Aug 2023
As climate change progresses, rising temperatures may impact nitrogen runoff from land to lakes and streams more than projected increases in total and extreme precipitation for most of the continental United States.

Ancient lake microbes caused global warming during ice age
9 Aug 2023
Global warming is not just a modern issue, but has occurred numerous times over Earth's history, with one event happening 304 million years ago during the Late Paleozoic Ice Age.

More efficient than natural photosynthesis – new photocatalytic system converts carbon dioxide into valuable fuel
9 Aug 2023
A joint research team from the City University of Hong Kong and collaborators recently developed a stable artificial photocatalytic system that is more efficient than natural photosynthesis.

‘Virtually certain’ extreme Antarctic events will get worse without drastic action, scientists warn
9 Aug 2023
Record low sea ice levels, the collapse of ice shelves, and surface temperatures 38.5C above average cited as concerns in new review.

How to maximise mangroves as climate and community solution
9 Aug 2023
Mangroves’ capacity to store up to five times more carbon than upland tropical forests — makes them a powerful natural solution for reducing greenhouse gas emissions.

Ocean heat record broken, with grim implications for the planet
7 Aug 2023
The oceans have hit their hottest ever recorded temperature as they soak up warmth from climate change, with dire implications for our planet's health.

NZ needs better emissions data: research
3 Aug 2023
New research shows that New Zealand isn't doing enough to keep track of greenhouse gas emissions and climate change mitigation, with lacking data and modelling capacity in some sectors.

Auckland researchers get funding to test "cool roofs" in climate hot spots
3 Aug 2023
A trial led by Auckland scientists to test "cool roofs" in countries vulnerable to climate heating has received a massive boost, with funding from a $37 million pool.

Climate change made July hotter for 80% of humans on Earth
3 Aug 2023
Human-caused global warming made July hotter for four out of five people on Earth, with more than two billion people feeling climate change-boosted warmth daily, according to a flash study.

Cost pressures “intensifying” for Environment Commission
2 Aug 2023
The Parliamentary Commissioner for the Environment, Simon Upton, says his office will likely need more funding soon.

Greenland ice sheets are weaker to climate change than we thought
1 Aug 2023
A new study suggests the ice sheets could be much more sensitive to human-driven climate change than previously estimated.

Effects of climate change increasing in Asia, WMO says
28 Jul 2023
Extreme weather events caused by climate change are on the rise in Asia and bound to affect food security and the continent's ecosystems, the World Meteorological Organization said.

Sucking CO2 out of the atmosphere can’t undo all the effects of climate change
28 Jul 2023
Climate change turns more places into deserts. Sucking CO2 out of the air can’t undo all the damage.

IPCC: Scottish professor to lead top global climate body
27 Jul 2023
A Scottish scientist has been chosen to lead one of the world's most influential climate change bodies.

Vital Atlantic Ocean current could collapse as soon as 2025
26 Jul 2023
A study warns that the Atlantic meridional overturning circulation is close to a tipping point that would severely disrupt the climate – but other researchers say the timing is impossible to predict.

New scientific report identifies "the fingerprints of climate change"
26 Jul 2023
The fingerprints of climate change are all over the intense heat waves gripping the globe this month, an international study has found.

Antarctic sea ice levels dive in 'five-sigma event', as experts flag worsening consequences for planet
25 Jul 2023
This winter has confirmed what scientists had feared — the sea ice around Antarctica is in sharp decline, with experts now concerned it may not recover.

New machine learning-based model boosting Africa's preparedness climate change
24 Jul 2023
Scientists have unveiled a first-ever weather forecasting model using artificial intelligence and machine learning solutions to help vulnerable African countries build resilience to climate impacts.

Scientists unveil the key site that shows we’re in a new climate epoch
20 Jul 2023
The holy grail for understanding the start of the Anthropocene lies at the bottom of a lake in Canada.

Deep sea mining can have detrimental long-term impacts: new research
19 Jul 2023
A deep sea mining test that lasted just two hours may have reduced fish and shrimp populations in the surrounding area a year after the event, according to international research.

Research into biofilters to cut agricultural methane
18 Jul 2023
Researchers in the South Island are looking at on-farm biofilters to convert potent agricultural methane into carbon dioxide - a much less potent gas in terms of global heating.

‘Things don’t always change in a nice, gradual way’
17 Jul 2023
Climate change feels more real now than ever and it’s getting hard to keep track of all the overlapping climate disasters.

Scientists call on govt to develop climate-friendly national food strategy
13 Jul 2023
The directors of six National Science Challenges are joining calls to the government to develop a national food strategy for New Zealand - one that will help reduce emissions as well as increase resilience to the climate crisis.

Oceans are turning greener due to climate change
13 Jul 2023
More than half of the world’s oceans have become greener in the past 20 years, probably because of global warming.

Global temperature rises in steps – here’s why we can expect a steep climb this year and next
12 Jul 2023
By Kevin Trenberth | Global warming took off in the mid-1970s when the rise in global mean surface temperature exceeded natural variability.

Climate researchers look for answers in the deep ocean
12 Jul 2023
Scientists are using four autonomous robots at depths of up to 6 km along the Kermadec Trench, in the southwest Pacific, to research how climate change is affecting deep ocean processes.

Turbulence has increased with climate change since 1979 - study
10 Jul 2023
Fasten your seat belts and get ready for yet another potential impact of climate change: bumpier airplane rides.

Seaweed may not be the climate solution we hoped for
5 Jul 2023
To sink just 1 gigaton of carbon emissions a year, recent simulations suggest massive seaweed farms would have to cover 1 million square kilometers of the ocean's most productive areas.

Improving soil could keep world within 1.5C heating target, research suggests
5 Jul 2023
Marginal improvements to agricultural soils around the world would store enough carbon to keep the world within 1.5C of global heating, new research suggests.

Govt funds research into microalgae as low carbon protein
4 Jul 2023
The government is funding research into native microalgae as a low-carbon protein, which it hopes could lead the way for an entirely new food industry at the same time as capturing carbon.

Asparagopsis seaweed: scientists call for stricter oversight in livestock sector
4 Jul 2023
Safety concerns have been raised about the native seaweed asparagopsis, which is now being commercialised to help farmers reduce methane emissions in sheep and cattle.

Could El Niño cause Earth’s warmest year ever?
30 Jun 2023
Media release - NIWA - Over the past three years, you may have heard about the rare ‘triple-dip’ La Niña that had its hands on the steering wheel of Mother Nature’s car.

Climate crisis linked to rising domestic violence in south Asia
30 Jun 2023
As deadly heatwaves sweep through cities in India, China, the US and Europe amid the climate crisis, new research has found that rising temperatures are associated with a substantial rise in domestic violence against women.

Climate change is turning snow to rain and raising risk of floods
30 Jun 2023
Warmer temperatures increase the amount of precipitation that falls as rain instead of snow, leading to more extreme rainfall in snowy places.

China’s solar is now at twice the capacity of its coal power – report
30 Jun 2023
Solar is growing at 33.7% year-on-year and is now at twice the capacity of coal power in China, according to a new report.

Big herbivores could help save the tundra from rising heat and shrinking ice—if they can survive themselves
29 Jun 2023
Scientists in Greenland found that tundra vegetation fares better when caribou and muskoxen are around to dine on encroaching, heat-loving shrubs.

Scientists researching cloud brightening in bid to cool Great Barrier Reef
28 Jun 2023
Queensland scientists who have been altering clouds with tiny particles to try and limit the effects of global warming are presenting their findings for the first time this week.

Marine heatwaves worsening: new research
27 Jun 2023
Researchers are calling for better monitoring of Aotearoa’s near-shore coastal ecosystems, with marine heatwaves growing more extreme, leading to more severe impacts.

Solar-powered fuel cell recycles plastic waste and carbon dioxide
22 Jun 2023
By combining a solar fuel cell that converts carbon dioxide into fuel with a plastic recycling system, researchers can create sustainable fuels and useful chemicals.

Best by the rest...
16 Jun 2023
In our weekly round-up of the best climate coverage in local media: Antarctic tipping points: the irreversible changes to come if we fail to keep warming below 2℃, climate change minister says NZ must pick a team; and warming seas threaten Māori food sources.

New indicators will track climate change between IPCC reports
16 Jun 2023
The latest assessment of the climate system paints a stark picture of how human activity has led to unprecedented changes across the climate system.

New research looks at methane-munching microorganisms in forest soils
15 Jun 2023
Scientists are working on new research into how much methane is consumed by microorganisms in New Zealand’s planted forest soils - and what potential these soils have to counteract the country’s outsized agricultural emissions.

North Atlantic temperature anomaly sparks concern among climate scientists
15 Jun 2023
The combination of long-term ocean warming from human emissions plus short-term natural variation is thought to be responsible.

Blue carbon: could a solution to the climate challenge be buried in the depths of fiords?
12 Jun 2023
The Conversation - Cyclone Gabrielle has highlighted forestry slash as a problematic aspect of relying on plantation forests to draw down carbon dioxide (CO₂) from the atmosphere.

Climate change is causing more turbulence on flights, say scientists
12 Jun 2023
Clear-air turbulence was long predicted to increase under climate change, but a new study from Reading University has painted the most detailed picture yet of the effects kicking in.

Saving tigers helped reduce India’s carbon emissions
12 Jun 2023
Research shows that tiger conservation interventions prevented forest loss, leading to reduced emissions and ecosystem benefits.

Best by the rest...
9 Jun 2023
In our weekly round-up of the best climate coverage in local media: Climate scientist James Renwick says, on a finite planet, never-ending growth of anything is unsustainable; National says He Waka Eke Noa is “dead”; and Taranaki council wants seabed mining banned.

GHG emissions: Earth is warming faster than ever
9 Jun 2023
Greenhouse gas emissions are at an all-time high, with yearly emissions equivalent to 54 billion tonnes of carbon dioxide.

El Niño planet-warming weather phase has begun
9 Jun 2023
A natural weather event known as El Niño has begun in the Pacific Ocean, likely adding heat to a planet already warming under climate change.

When were the Dry Valleys of Antarctica last wet?
30 May 2023
It’s a question that’s long puzzled Antarctic researchers, but Te Herenga Waka—Victoria University of Wellington adjunct lecturer Dr Marjolaine Verret may now have the answer.