Lightnews — Scholar-powered news

@michellegrosser.bsky.social

300 followers 1K following 1K posts

Climate futures, adaptation and change And a little geology sprinkled in

Posts Media Videos Starter Packs

Pinned

michellegrosser.bsky.social @michellegrosser.bsky.social · Jun 30

Ta Da!

Here is my husband (Andrew Mackenzie) and Sam Redston’s new podcast series.

The project kicks off with a series under the theme Building. They speak with diverse thinkers and doers from the worlds of research, design, insurance, engineering and farming.

podcasts.apple.com/au/podcast/c...

Climate360°

Society & Culture Podcast · Updated Weekly · Climate360° is a weekly podcast that will take a broad view of how climate impacts our whole world. Over the weeks and months ahead we will explore how cli...

podcasts.apple.com

Reposted

Prof Bill McGuire @profbillmcguire.bsky.social · 11h

#Climate breakdown already having a massive impact on crop yields

By 2050, the world is projected to need 50% more food, at a time yields of key crops could be down 30%

More than a halving of calories per head

Just think about that for a moment

www.theguardian.com/world/2025/o...

One year’s worth of bread lost in UK to wrecked harvests since 2020, report finds

Worsening droughts and floods have destroyed wheat for 4bn loaves of bread and forced record levels of imports

www.theguardian.com

3 42 50

michellegrosser.bsky.social @michellegrosser.bsky.social · 10h

Climate change + debt. It’s going to be a ride.

Was looking at what is happening in Rostov as a an example. It’s pretty tough. Sell your equipment to buy fertiliser and pray you don’t get drought the next season.

michellegrosser.bsky.social @michellegrosser.bsky.social · 22h

“The state produces 80 per cent of Australia's fresh potatoes, with major growing areas in the Riverland, Mallee and Virginia”
www.abc.net.au/news/rural/2...

Customers face empty shelves as farmers battle potato shortage

South Australia produces 80 per cent of Australia's fresh potatoes, but extreme weather and drought across the state are causing a major shortage.

www.abc.net.au

Reposted

Astrobiology @astrobiology.bsky.social · 4d

Waking Up Microbes Trapped In Permafrost For Up To 40,000 Years
astrobiology.com/2025/10/waki... #astrobiology #Mars #microbiology

Waking Up Microbes Trapped In Permafrost For Up To 40,000 Years - Astrobiology

In a new study, a team of geologists and biologists led by CU Boulder resurrected ancient microbes that had been trapped in ice—in some cases for around 40,000 years.

astrobiology.com

2 8

Reposted

Extreme Temperatures Around the World @extremetemps.bsky.social · 1d

Very mild air reached the Arctics:

After yesterday's record warm in Scotland with 22.0C at 22.0 Fyvie Castle (Oct record tied),
today October historical records fell in the Svalbard:
10.9 Isfjord Radio
10.6 Akseloya
10.2 Svalbard Lufthavn
9.0 Hornsund

+15C also in Greenland

1 11 40

michellegrosser.bsky.social @michellegrosser.bsky.social · 1d

Maybe he is the ‘Mad king you had to have’

www.newscientist.com/article/2498...

Antarctica may have crossed a tipping point that leads to rising seas

Scientists are beginning to understand the sudden loss of sea ice in Antarctica – and there is growing evidence that it represents a permanent shift with potentially catastrophic consequences

www.newscientist.com

michellegrosser.bsky.social @michellegrosser.bsky.social · 1d

“Since the beginning of September, temperatures in the atmosphere above Antarctica have soared by over 35°C (63°F), while wind speeds have halved and ozone depletion has suddenly stalled”

New Scientist @newscientist.com · 1d

Stratospheric temperatures in Antarctica are spiking, which could see strange weather unfold across the southern hemisphere in the coming months

Atmospheric chaos has sent temperatures soaring in Antarctica

Stratospheric temperatures in Antarctica are spiking, which could see strange weather unfold across the southern hemisphere in the coming months

www.newscientist.com

michellegrosser.bsky.social @michellegrosser.bsky.social · 1d

“Scientists used to think that sea ice was simply an inactive barrier on the ocean surface, but discoveries like these reveal that sea ice is a rich habitat full of biological diversity and innovation,”

Prakash Lab at Stanford @prakashlab.bsky.social · 1d

Life knows how to keep going - even if it’s freezing -15 degrees C 🥶 outside. AGU just covered our discovery of ultra resistant ice diatoms gliding into a world record! 🧪🔬Enjoy the story here:

eos.org/articles/ice...

Ice Diatoms Glide at Record-Low Temperatures - Eos

New observations reveal how microscopic organisms move through polar ice and illustrate how they may have evolved to thrive in extreme environments.

eos.org

1 5

Reposted

Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social · 1d

www.cbc.ca/news/science...

Renewables become biggest source of electricity globally for 1st time, beating coal | CBC News

Worldwide solar and wind power generation has outpaced electricity demand this year, and for the first time on record, renewable energies combined generated more power than coal, according to a new an...

www.cbc.ca

1 4 22

Reposted

PIK_climate @pik-potsdam.bsky.social · 2d

No safe solution to #climate & #biodiversity crisis is possible without a global food systems transformation: @forbes.com on new EAT Lancet report. Reshaping food systems could deliver returns of $5 trillion a year through better health, restored ecosystems.
www.forbes.com/sites/jamieh...

Transforming Food Systems Could Help Tackle Global Warming, Study Finds

The study by the EAT-Lancet Commission warns food systems currently account for nearly a third (30%) of total global greenhouse gas emissions.

www.forbes.com

12 18

michellegrosser.bsky.social @michellegrosser.bsky.social · 1d

“VK, which developed the messenger, is owned by Russia's state gas giant Gazprom and tycoon Yury Kovalchuk, known as Putin's personal banker.

VK's CEO is Vladimir Kiriyenko, the son of Putin's Deputy Chief of Staff Sergei Kiriyenko”

The Kyiv Independent @kyivindependent.com · 1d

Three and a half years into its all-out war against Ukraine, the Kremlin is waging a parallel battle at home — this time against Internet freedom.

The Russian authorities are tightening their digital grip and rolling out sweeping new measures to keep people online in check.

Russia's digital iron curtain descends further as Kremlin chokes Internet freedoms

Three and a half years into its all-out war against Ukraine, the Kremlin is waging a parallel battle at home — this time against Internet freedom. The Russian authorities are tightening their digital...

kyivindependent.com

michellegrosser.bsky.social @michellegrosser.bsky.social · 1d

The death party.

Including 4.5 million children by 2030.

www.thelancet.com/journals/lan...

Evaluating the impact of two decades of USAID interventions and projecting the effects of defunding on mortality up to 2030: a retrospective impact evaluation and forecasting analysis

USAID funding has significantly contributed to the reduction in adult and child mortality across low-income and middle-income countries over the past two decades. Our estimates show that, unless the a...

www.thelancet.com

Reposted

CSIS | Center for Strategic & International Studies @csis.org · 1d

"Trump’s efforts to make transatlantic relations transactional only works so long as the United States continues to provide the service of defending Europe," notes @erep.csis.org expert @maxbergmann.bsky.social. "Otherwise, the client will inevitably fire the provider."

www.csis.org/analysis/tra...

2 4

Reposted

Extreme Temperatures Around the World @extremetemps.bsky.social · 3d

In just 5 days,October 2025 has broken more heat records than any FULL MONTH in history except September 2025 (but it will surpass it soon).
We are seeing something beyond any imagination, with records destroyed in all Continents with extreme margins.
And that's nothing to what's coming.

3 40 90

michellegrosser.bsky.social @michellegrosser.bsky.social · 3d

“The details vary, but the conspiracy theories pushed by foreign adversaries all suggest American institutions — the government, the media, law enforcement, health care — are failing and can no longer be trusted, and that more violence is likely”

Social Media Lab @socialmedialab.ca · 21d

2/ Case in point: Here's how foreign disinformation about Charlie Kirk’s killing seeks to widen US divisions. apnews.com/article/char...

Foreign disinformation about Charlie Kirk's killing seeks to widen US divisions

Russia moved quickly to exploit conservative activist Charlie Kirk's shooting death at a Utah college, with groups linked to the Kremlin spreading false and misleading claims that experts say are desi...

apnews.com

Reposted

Extreme Temperatures Around the World @extremetemps.bsky.social · 4d

AUSTRALIA EXTREME OCTOBER
Heat & Cold also in Australia with already some monthly records:
Lowest Minimums:
2.5 Cleve
3.9 Brewarrina
Highest Maximum:
37.6 Ngayawili

1 23 57

Reposted

Extreme Temperatures Around the World @extremetemps.bsky.social · 4d

🌡️RECORD HEAT ALLOVER ASIA
Exceptional MINIMUMS from Middle East to Japan, records everywhere
Mins still locally >30C in Middle East (including Dead Sea),29C+ India ,SE Asia and even Japan.

SOUTH KOREA OCT HOTTEST NIGHT EVER:
Min 24.9 Sogwipo,24.5 Jeju
NORTH KOREA mIN.20.7 Sinpo

1 26 53

michellegrosser.bsky.social @michellegrosser.bsky.social · 3d

“Maps for two local government areas — Yarra and Darebin — have been released, showing heavy potential flooding in suburbs such as Richmond, Fitzroy and Northcote”

www.abc.net.au/news/2025-10...

New Melbourne flood mapping sparks outrage from inner-city council

The City of Yarra mayor has lashed the government over the mapping, saying residents will bear the costs of inadequate infrastructure investment.

www.abc.net.au

1 1

michellegrosser.bsky.social @michellegrosser.bsky.social · 5d

““If just 25% of this ‘carnivorous fish’ aquaculture was replaced with an equivalent quantity of protein from bivalve aquaculture, 16.3 million tonnes of CO2 emissions could be saved annually – equivalent to half the annual emissions of New Zealand,” continues Willer”

Climate, Ecology, War & More by Dr. Glen Barry, BigEarthData.ai @bigearthdata.bsky.social · 5d

The simple food that fights climate change
->BBC | #ClimateChange #Food | More from BigEarthData.ai

The simple food that fights climate change

“Essentially they take on the characteristics of the environment in which they grow,” says Rachel Hartnell, a seafood safety scientist at the UK Government’s Centre for Environment, Fisheries and Aquaculture Science (Cefas). This can mean that they concentrate harmful micro-organisms...

www.bbc.com

michellegrosser.bsky.social @michellegrosser.bsky.social · 5d

“It’s considered a ‘climate migrant”

www.independent.co.uk/news/uk/home...

Praying mantises spotted in England for first time ‘may have blown over from Europe’

Breeding populations of praying mantis exist on the Isle of Wight and in the Channel Islands, but not in mainland England

www.independent.co.uk

michellegrosser.bsky.social @michellegrosser.bsky.social · 5d

Meanwhile in Montana

www.kpax.com/news/local-n...

Montana professor says citizens need to ask Congress to halt shutdown

Pope says 800,000 Americans will go on furlough and tens of thousands will continue to work critical service jobs, including in Montana.

www.kpax.com

1 1

michellegrosser.bsky.social @michellegrosser.bsky.social · 5d

Yeah, poor old Montana. They were really excited www.kpax.com/news/western...

Hydrogen highway soon to run through St. Regis solar array

St. Regis was selected to be part of the Pacific Northwest Hydrogen Hub, a $1 billion project funded by the U.S. Department of Energy.

www.kpax.com

Reposted

Dr. Elizabeth Sawin @bethsawin.bsky.social · 7d

More and more it seems to me, as the polycrisis becomes a mainstream frame, people speak about managing risk, not learning, not rethinking, not reimagining. What do you think?

4 2 10

Reposted

AFP News Agency @en.afp.com · 6d

Israeli warships intercept flotilla carrying aid to Gaza.

The Global Sumud Flotilla involves around 45 vessels carrying politicians and activists including Swedish climate campaigner Greta Thunberg
u.afp.com/SWtJ

2 15 22

Reposted

Cian McCarthy @arealmofwonder.bsky.social · 6d

"You cannot get through a single day without having an impact on the world around you. What you do makes a difference, and you have to decide what kind of difference you want to make."

Rest in Peace, Jane Goodall 🙏🏻

3 130 450