News

Terrawatch: why has the Earth’s spinning inner core slowed down?

The Guardian, 22 February 2023
www.theguardian.com/science/2023/feb/22/terrawatch-earth-spinning-inner-core-slowed-down

The solid inner core is contained within the liquid outer core, enabling it to rotate differently from the Earth itself

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Is it greener to use gas or electricity to heat your home and cook?

New Scientist, 14 February 2023
www.newscientist.com/article/2359445-is-it-greener-to-use-gas-or-electricity-to-heat-your-home-and-cook/

An analysis of carbon emissions caused by gas and electric cooking and heating in 25 countries finds that the climate-friendly choice depends on where you are

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Geological impact of Turkey-Syria earthquak slowly comes into focus

The Guardian, 10 February 2023
www.theguardian.com/world/2023/feb/10/geological-impact-of-turkey-syria-earthquake-slowly-comes-into-focus

Subsidence has caused flooding, while hillsides are at risk of landslip, which mean roads may need to be rerouted and people rehomed

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Could putting the clock forward help tackle the climate crisis?

The Guardian, 2 February 2023
www.theguardian.com/news/2023/feb/02/could-putting-clock-forward-help-tackle-climate-crisis

Study suggests tool could be used to reduce energy needs for heating and cooling office buildings

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Terrawatch: Santorini watchful as nearby volcano is monitored

The Guardian, 25 January 2023
www.theguardian.com/science/2023/jan/25/terrawatch-santorini-braces-as-explosive-volcano-stirs

Kolumbo, just off Greek island, could trigger tsunami when it next erupts

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The mysterious underwater avalanches reshaping Earth

New Scientist, 24 January 2023
www.newscientist.com/article/mg25734230-200-the-mysterious-underwater-avalanches-reshaping-earth/

Turbidity currents are cascades of sediment that tumble down Earth’s 9000 submarine canyons carrying carbon, plastics and pharmaceuticals into the deep sea. We are finally learning just how often these dramatic events occur.

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2022 Tonga eruption means we may hit 1.5 degrees of global warming earlier

New Scientist, 12 January 2023
www.newscientist.com/article/2354559-2022-tonga-eruption-means-we-may-hit-1-5c-of-global-warming-earlier/

The massive eruption of a Tongan volcano in January 2022 has made it more likely that we will exceed 1.5°C of global warming within the next five years, but the effect will disappear by 2035

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Climate cooling effect of volcanoes is bigger than we thought

New Scientist, 10 January 2023
www.newscientist.com/article/2354048-climate-cooling-effect-of-volcanoes-is-bigger-than-we-thought/

Analysis of sulphate particles in a Greenland ice core suggests we have underestimated the impact of volcanoes, and overestimated the contribution of anthropogenic sources

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Whistles, cracks, hisses: the noises of the northern lights

The Guardian, 5 January 2023
www.theguardian.com/news/2023/jan/05/noises-of-the-northern-lights-weatherwatch

Study finds some strong auroras are accompanied by noises from changes in the atmosphere

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Terrawatch: the rise and bigger rise of Mediterranean sea levels

The Guardian, 28 December 2022
www.theguardian.com/science/2022/dec/28/terrawatch-the-rise-and-bigger-rise-of-mediterranean-sea-levels

Study shows sea level rise on Amalfi coast over last 20 years is twice that on Costa del Sol

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Venice may get a temporary respite from rising seas by 2035

New Scientist, 6 December 2022
www.newscientist.com/article/2350173-venice-may-get-a-temporary-respite-from-rising-seas-by-2035/

High winter sea levels in Venice are linked to warmer sea surface temperatures in the North Atlantic Ocean, and cooling in that ocean over coming decades should therefore temporarily compensate for the city’s sea level rise

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Weatherwatch: the man who classified the clouds

The Guardian, 1 December 2022
www.theguardian.com/news/2022/dec/01/weatherwatch-the-man-who-classified-the-clouds

Before Luke Howard’s cloud naming scheme, clouds were thought to be too changeable to be classified

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Terrawatch: storms can cause landslides days later, scientists find

The Guardian, 23 November 2022
www.theguardian.com/science/2022/nov/23/terrawatch-storms-can-cause-landslides-days-later-scientists-find

Changes in atmospheric pressure can set soils in motion hours or even days after heavy rain

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Landslides can be triggered by small changes in atmospheric pressure

New Scientist, 16 November 2022
www.newscientist.com/article/2347294-landslides-can-be-triggered-by-small-changes-in-atmospheric-pressure/

We knew earthquakes and heavy rain could initiate landslides, but now it seems alterations in atmospheric pressure can do it too if combined with certain conditions on the ground

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Scientists zap clouds with electricity to make them rain

The Guardian, 3 November 2022
www.theguardian.com/news/2022/nov/03/scientists-zap-clouds-electricity-make-rain

Experiment finds electrical charge can alter size of water droplets and cause them to ‘explode’

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Terrawatch: Asteroid that wiped out dinosaurs triggered global mega-tsunami

The Guardian, 26 October 2022
www.theguardian.com/science/2022/oct/26/terrawatch-asteroid-dinosaurs-global-mega-tsunami-impact

Jumble of rocks in far-flung locations help researchers work out how big and how far-reaching impact would have been

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Weatherwatch: climate crisis causing tropical viruses to spread

The Guardian, 6 October 2022
www.theguardian.com/society/2022/oct/06/weatherwatch-climate-crisis-causing-tropical-viruses-to-spread

Infections such as dengue fever on rise in Europe as virus-transmitting mosquitoes expand habitats

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Terrawatch: why is sea level rising faster along China’s coast?

The Guardian, 28 September 2022
www.theguardian.com/science/2022/sep/28/terrawatch-why-is-sea-level-rising-faster-along-china-coast

Study says possible causes could include faster warming in Chinese seas and lower air pressure

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How hyper-local forecasts can improve safety on mountains

The Guardian, 25 August 2022
www.theguardian.com/news/2022/aug/25/weatherwatch-how-hyper-local-forecasts-can-improve-safety-on-mountains

New models explain conditions that led to 21 runners dying at China event, and could help improve accuracy of future forecasts

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Terrawatch: how balloons could one day detect quakes in hard-to-reach places

The Guardian, 24 August 2022
www.theguardian.com/science/2022/aug/24/terrawatch-balloons-detect-earthquakes

Successful sensing of earthquake in Indonesia raises hopes for wider use across planet – and even Venus

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Weatherwatch: why summer nights are getting hotter

The Guardian, 4 August 2022
www.theguardian.com/news/2022/aug/04/weatherwatch-why-summer-nights-are-getting-hotter

Gap between day and night-time temperatures expected to continue to decrease, posing risk to health

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Greenhouse gas emissions are warming up nights faster than days

New Scientist, 29 July 2022
www.newscientist.com/article/2331321-greenhouse-gas-emissions-are-warming-up-nights-faster-than-days/

Since 1951, the gap between night and day temperatures has closed by 0.41°C, and simulations show that the bulk of this warming is due to greenhouse gas emissions

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Terrawatch: how mass extinctions can spur on evolution

The Guardian, 27 July 2022
www.theguardian.com/science/2022/jul/27/terrawatch-how-mass-extinctions-can-spur-on-evolution

Evidence from 252m years ago shows surviving animals bounced back stronger, fitter, faster and smarter

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Weatherwatch: Growing food in plastic is changing the weather

The Guardian, 7 July 2022
www.theguardian.com/news/2022/jul/07/weatherwatch-growing-food-in-plastic-is-changing-the-weather

Research found plastic mulch and irrigation increased local temperatures by around 0.7°C and humidity by nearly 25%

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Methane much more sensitive to global heating than previously thought – study

The Guardian, 5 July 2022
www.theguardian.com/environment/2022/jul/05/global-heating-causes-methane-growth-four-times-faster-than-thought-study

Greenhouse gas has undergone rapid acceleration and scientists say it may be due to atmospheric changes

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Snowy Alps will be a distant memory unless we act fast

The Guardian, 30 June 2022
www.theguardian.com/weather/2022/jun/30/snowy-alps-distant-memory-unless-we-act-climate-crisis

The number of snow days are falling, contributing to droughts such as that in Italy’s Piedmont region

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Snowy Alps will be a distant memory unless we act fast

The Guardian, 30 June 2022
www.theguardian.com/weather/2022/jun/30/snowy-alps-distant-memory-unless-we-act-climate-crisis

The number of snow days are falling, contributing to droughts such as that in Italy’s Piedmont region

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Terrawatch: saltier oceans could have prevented Earth from freezing

The Guardian, 22 June 2022
www.theguardian.com/science/2022/jun/22/terrawatch-saltier-oceans-could-have-prevented-earth-from-freezing

Study may have solved paradox of the faint young Sun – which shone 20% less bright in Archean times

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Weatherwatch: sailing into the eye of a hurricane

The Guardian, 2 June 2022
www.theguardian.com/news/2022/jun/02/weatherwatch-sailing-eye-hurricane-saildrone-storm-data-weather

Saildrones that steer into powerful storms are collecting invaluable data on weather systems

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Terrawatch: is Earth’s core going rusty?

Terrawatch: is Earth’s core going rusty?

The Guardian, 25 May 2022
www.theguardian.com/science/series/terrawatch

Rusty bits on Earth’s core could explain how the atmosphere became oxygenated

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Achoo! The hay fever season lasts longer than ever. Here’s what we can do about it

Achoo! The hay fever season lasts longer than ever. Here’s what we can do about it

The Guardian, 17 May 2022
www.theguardian.com/commentisfree/2022/may/17/achoo-the-hay-fever-season-lasts-longer-than-ever-heres-what-we-can-do-about-it

The climate crisis is giving trees a bigger window to spread their pollen, but cleaner air and better early warning forecasts can help protect us

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Circular cities experience more rain than square or triangular ones

Circular cities experience more rain than square or triangular ones

New Scientist, 11 May 2022
www.newscientist.com/article/2319455-circular-cities-experience-more-rain-than-square-or-triangular-ones/

The shape of a city can influence the amount of rainfall it gets, because circular cities are better at mixing air fronts together

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Colorado conifers given ‘Fitbits’ to measure snow cover

Colorado conifers given ‘Fitbits’ to measure snow cover

The Guardian, 5 May 2022
www.theguardian.com/news/2022/may/05/colorado-conifers-given-fitbits-to-measure-snow-cover

Calculating snow caught in trees by measuring their swaying is hoped to help monitor snowstorms

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Pottery’s Origin Stories

Archaeology Magazine, 1 May 2022
www.archaeology.org/issues

Why did hunter-gatherers make the world’s first pots?

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Massive underwater avalanches deliver pollutants to deep sea

Massive underwater avalanches deliver pollutants to deep sea

The Guardian, 27 April 2022
www.theguardian.com/science/2022/apr/27/massive-underwater-avalanches-deliver-pollutants-to-deep-sea

Research shows largest ‘turbidity currents’ can carry more sediment than the annual output of all the world’s rivers combined over time

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Lightning-sparked forest fires set to increase in North America

Lightning-sparked forest fires set to increase in North America

The Guardian, 14 April 2022
www.theguardian.com/news/2022/apr/14/lightning-sparked-forest-fires-set-to-increase-in-north-america

Weather conditions play huge role in which strikes start blazes in boreal forests of Canada and Alaska, research suggests

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Terrawatch: Rare gas points to deep nebula origins for Earth

Terrawatch: Rare gas points to deep nebula origins for Earth

The Guardian, 9 April 2022
www.theguardian.com/science/2022/apr/09/terrawatch-rare-gas-deep-nebula-origins-earth-isotope-helium-big-bang

Most of rare isotope of helium found on mid-ocean ridges dates to big bang, providing clue to planet’s formation

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When will the world reach 1.5C of global heating?

When will the world reach 1.5C of global heating?

The Guardian, 5 April 2022
www.theguardian.com/environment/2022/apr/05/when-will-world-reach-global-heating-limit-ipcc-climate-crisis

With 1.5C of heating now all but inevitable, scientists say the focus must turn to mitigation measures

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Europe faces a future of extreme droughts

Europe faces a future of extreme droughts

The Guardian, 1 April 2022
www.theguardian.com/news/2022/apr/01/europe-faces-a-future-of-extreme-droughts

Mitigation and adaptation measures are going to be crucial for future farming on the continent

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Land of the Picts

Land of the Picts

Archaeology Magazine, 1 September 2021
www.archaeology.org/issues/441-2109/letter-from/9932-scotland-picts

New excavations reveal the truth behind the legend of these fearsome northern warriors

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Drop in pollution may bring hotter weather and heavier monsoons

Drop in pollution may bring hotter weather and heavier monsoons

The Guardian, 13 May 2020
www.theguardian.com/world/2020/may/13/drop-in-pollution-may-bring-hotter-weather-and-heavier-monsoons

Scientists say fewer particles and polluting gases means more sunlight can reach Earth’s surface

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Life in a carbon neutral world

Life in a carbon neutral world

Physics World, 2 April 2020
physicsworld.com/a/life-in-a-carbon-neutral-world/

Increasing numbers of cities and countries around the globe are pledging to become net carbon neutral within the next few decades. But what will day-to-day life look like in a “net-zero” world? Kate Ravilious looks at the changes that society will need to make

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Will spring slow spread of coronavirus in northern hemisphere?

Will spring slow spread of coronavirus in northern hemisphere?

The Guardian, 11 March 2020
www.theguardian.com/world/2020/mar/11/will-spring-slow-spread-of-coronavirus-in-northern-hemisphere

Will coronavirus infections slow down as spring arrives in the northern hemisphere?

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Biomass energy: green or dirty?

Biomass energy: green or dirty?

Physics World, 8 January 2020
physicsworld.com/a/biomass-energy-green-or-dirty/

The conversion to biomass energy has played a key role in reducing our dependence on fossil fuels. But is this renewable energy source really as green as we first thought? Kate Raviliousinvestigates

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Forget pristine habitats – for biodiversity save abandoned quarries

Forget pristine habitats – for biodiversity save abandoned quarries

New Scientist, 4 September 2019
www.newscientist.com/article/mg24332460-700-forget-pristine-habitats-for-biodiversity-save-abandoned-quarries/

The best way to save Earth’s threatened wildlife could be to protect its most unglamorous and geologically diverse landscapes, from scrubland to exhausted mines

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A river runs through it

A river runs through it

Archaeology Magazine, 1 September 2019
www.archaeology.org/issues/351-1909

The twists and turns of a medieval English city’s history emerge from an artifact-rich riverbed

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Italian earthquake data hint at possibility of forecasting one type of quake

Italian earthquake data hint at possibility of forecasting one type of quake

Nature, 23 October 2018
www.nature.com/articles/d41586-018-07017-5

Study suggests how ‘sequence’ quakes are constrained by their geology, which could allow scientists to forecast the large follow-up shakes.

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The IPCC Special Report on Global Warming of 1.5 °C: the why, the what and the how

The IPCC Special Report on Global Warming of 1.5 °C: the why, the what and the how

Physics World, 8 October 2018
physicsworld.com/a/the-ipcc-special-report-on-global-warming-of-1-5c-the-why-the-what-and-the-how/

Following the 1.5 °C aim agreed in Paris in 2015, the IPCC came together once more to assess the ramifications. Kate Ravilious investigates the background

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Thirty years of the IPCC

Thirty years of the IPCC

Physics World, 8 October 2018
physicsworld.com/a/thirty-years-of-the-ipcc/

The IPCC has achieved plenty since 1988, including winning a Nobel Peace Prize. Kate Ravilious reports on where it could focus now

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Weatherwatch: wind turbines in the sun, slow but steady

Weatherwatch: wind turbines in the sun, slow but steady

The Guardian, 8 October 2018
www.theguardian.com/news/2018/oct/08/weatherwatch-wind-turbines-in-the-sun-slow-but-steady

How did Britain’s wind power stand up to the record-breaking hot summer of 2018? Researchers look back over 38 years

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