Aditya Sengupta
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adisen99.bsky.social
Aditya Sengupta
@adisen99.bsky.social
Graduate Researcher @UniversityofMelbourne studying climate variability, climate and weather extremes and climate dynamics. 🧪 🔭
With ongoing climate negotiations at COP30 in Brazil, here is a brief primer written by @andrewkingclimate.bsky.social and I on the strides we have made to improve our understanding of Earth's climate and its changes. Now we need ambitious climate policies!!!

theconversation.com/what-do-we-k...
What do we know about climate change? How do we know it? And where are we headed?
Cimate scientists are more certain than ever that humans are changing the climate – but there are signs of hope on the horizon.
theconversation.com
November 21, 2025 at 2:50 AM
Reposted by Aditya Sengupta
In this article @adisen99.bsky.social and I take stock of where the Earth's climate is at and where we're heading. Climate action has never been more critical #COP30 theconversation.com/what-do-we-k...
What do we know about climate change? How do we know it? And where are we headed?
Cimate scientists are more certain than ever that humans are changing the climate – but there are signs of hope on the horizon.
theconversation.com
November 20, 2025 at 10:51 PM
Reposted by Aditya Sengupta
It was a pleasure to be involved in this. Not a pleasure that it was necessary, but seeing around 80 scientists come together to defend scientific integrity, led brilliantly by Andrew, filled me with pride.
September 2, 2025 at 1:36 PM
📑 The first IPCC Assessment report came out in 1990. Prior to 1990, most parts of the world had already seen an increase in regional temperatures. Post 1990, regions with a high Human Development Index have seen the rate of warming increase.

agupubs.onlinelibrary.wiley.com/doi/full/10....
June 7, 2025 at 8:41 PM
www.economist.com/interactive/...

This very insightful recent article in Economist tackles the topic of the delicate balance in aerosol pollution and GHG induced warming, and this balance is critical in developing regions in South Asia.
If India chokes less, it will fry more
Pollution may have shielded it from the worst of global warming. That will change
www.economist.com
June 3, 2025 at 4:38 AM
Reposted by Aditya Sengupta
Wrote a short piece for Indian readers who often think reducing air pollution will reduce climate impacts, also featuring @adisen99.bsky.social's paper.

Many were shocked, and it started conversations on why India is surprisingly cool with ~0.7 °C of total warming!

www.thehindu.com/sci-tech/ene...
India’s vital efforts to tackle air pollution could worsen warming
Study warns rapid reduction of aerosol emissions without greenhouse gas reduction could expose vulnerable populations to extreme heat.
www.thehindu.com
April 11, 2025 at 7:06 AM
Reposted by Aditya Sengupta
Have you wondered what causes Australia's droughts? Why sometimes the expected rainfall just doesn't come?
Our newly published review explains! Read the full article here: rdcu.be/eeZHX
Physical mechanisms of meteorological drought development, intensification and termination: an Australian review
Communications Earth & Environment - Australia experiences meteorological droughts due to insufficient moisture transport and heavy precipitation, which are influenced by climate variability...
rdcu.be
April 1, 2025 at 4:09 AM
Reposted by Aditya Sengupta
Fascinating paper by @ccrc.bsky.social
“Damage to world GDP in 2100 under SSP5-8.5 increases from ∼11% under models without global weather to ∼40% if global weather is included. Further … welfare-optimal amount of climate changes from ∼2.7C to ∼1.7C.”
dx.doi.org/10.1088/1748...
April 1, 2025 at 12:51 AM
Reposted by Aditya Sengupta
Australian coral reefs are currently ranging from 'bleach watch' to 'bleaching and most dying' categories. Be nice to see at least one 'no stress' sight, but hey...
www.theguardian.com/environment/...
March 24, 2025 at 1:57 AM
Reposted by Aditya Sengupta
Scenes from the incredible turnout today at Berkeley's @standupforscience.bsky.social rally. @tedmiguel.bsky.social, @jenniferdoudna.bsky.social, and dozens of researchers, elected officials, and citizens defended science and the jobs, health benefits, and progress it creates for all Americans.
March 8, 2025 at 4:44 AM
Reposted by Aditya Sengupta
Onshore intensification of subtropical western boundary currents in a warming climate

Inducing warming that worsens coastal marine heatwaves, reduces the ocean's capacity to absorb CO2, and destabilizes methane hydrates on the sea floor

www.nature.com/articles/s41...
Onshore intensification of subtropical western boundary currents in a warming climate - Nature Climate Change
Western boundary currents flow along the western edge of subtropical oceans, transporting heat polewards, and are integral in the climate system. Using high-resolution models, this work shows that wes...
www.nature.com
March 2, 2025 at 7:02 AM
Reposted by Aditya Sengupta
Science is necessary, but clearly not sufficient, for conveying the climate crisis

https://go.nature.com/3XjoJCU
How scientists can drive climate action: celebrate nature and promote hope
Nature - After years of storytelling and running classes and festivals, I’ve seen first-hand how a love of nature makes people want to protect it.
go.nature.com
March 2, 2025 at 12:01 PM
Reposted by Aditya Sengupta
As extreme weather and the cost of energy dominates the headlines, knowing how to separate fact from fiction is more important than ever.

Check out this week’s Changing Climate’s article tackling some of the fishy information out there: bit.ly/changing-climates-articles
February 27, 2025 at 1:04 AM
Reposted by Aditya Sengupta
Ocean has been losing its SST damping capacity (see Figure) since 1982 due to increased stratification, allowing SST anomalies and the associated climate and extreme weather events to attain stronger amplitude and persist longer. 🌊🧪 www.nature.com/articles/s41...
February 9, 2025 at 11:37 AM
Reposted by Aditya Sengupta
Look for the good news when you can. ☀️
The news getting you down? I invite you to stare at this chart of solar and wind deployed capacity in China.

They blew past their ambitious 2030 target... last July.
February 5, 2025 at 2:07 AM
Reposted by Aditya Sengupta
If Australia wants to keep pace with other countries (let alone be a leader in science and innovation) then clearly this needs to change. www.abc.net.au/news/2025-01...
Alex loves doing her PhD, but says she's earning under the minimum wage
Alexandra Paton, who researches how to manage feral cat populations, says her PhD is important for Australia's wildlife but her income is lower than what she earned as a teenager at Macca's.
www.abc.net.au
January 16, 2025 at 9:08 PM
The impact of ENSO on regional rainfall is nonlinear, which can have a severe impact on regional hydroclimate variability. In this new paper with @andrewkingclimate.bsky.social and @drjobrown.bsky.social, we assess CMIP6 models in capturing this nonlinearity - doi.org/10.1029/2024...
January 13, 2025 at 2:13 AM
Reposted by Aditya Sengupta
As relevant to the current fire situations, this new research highlights that in California *and* eastern Australia, we might swing more often or more intensely,from wet to dry. Such swings produce more dry fuels for fires. Bummer. For both.
www.nature.com/articles/s43...
In a warming climate, we are seeing broad global increases in what we term "#HydroclimateWhiplash"--and thus increasingly frequent and/or intense swings between extremely wet and extremely dry conditions. Why does that matter in ths context of wildfire? www.nature.com/artic...
Hydroclimate volatility on a warming Earth
Nature Reviews Earth & Environment - Rapid transitions between extreme wet and extreme dry conditions — ‘hydroclimate whiplash’ — have marked environmental and societal...
www.nature.com
January 10, 2025 at 2:08 AM
Reposted by Aditya Sengupta
The ice at Santa's workshop is thinning away... #NorthPole 🎁🧑‍🎄

Check out my blog from November 2022 for more on this graphic: zacklabe.com/blog-archive...
December 23, 2024 at 1:32 AM
Reposted by Aditya Sengupta
New paper @natclimchange.bsky.social finds that humid heat during the 2024 Hajj pilgrimage neared human tolerance limits. Analysis (by the Lethal Humidity Council, including CCRC’s Steven Sherwood and Katrin Meissner @katrinmeissner.bsky.social) warns further warming would threaten more people.
Humid heat exceeds human tolerance limits and causes mass mortality - Nature Climate Change
The hottest boreal summer on record has driven widespread humid heat mortality across every continent of the Northern Hemisphere. With critical physiological limits to human heat tolerance drawing eve...
www.nature.com
December 18, 2024 at 10:05 AM
Reposted by Aditya Sengupta
We always think of heatwaves as causing unbearable conditions for us, but did you know they happen in the ocean too? They're happening more and are becoming hotter, impacting everywhere from Tassie to Queensland. Read more in the latest brief from the Centre of Excellence for Climate Extremes.
Marine Heatwaves - The ARC Centre of Excellence for Climate Extremes
Efforts to curtail global warming by reducing greenhouse gas emissions should remain a priority so that the risks of marine heatwaves can be reduced.
climateextremes.org.au
December 2, 2024 at 11:47 PM
The rate at which our planet warms matters. It is not just that rate of warming has direct impacts on heat stress and heat related mortality in vulnerable areas of the world, but it also affects Adaptation and Mitigation measure tackling climate change.
climateextremes.org.au/is-the-clima...
Is the Climate Changing Faster than Expected? - The ARC Centre of Excellence for Climate Extremes
The evidence is clear: the impacts of global warming are increasing, and to reduce them, we require a deep and rapid cut in greenhouse gas emissions.
climateextremes.org.au
November 29, 2024 at 7:59 AM
Reposted by Aditya Sengupta
Is the climate changing faster than expected? An excellent briefing note from the ARC Centre of Excellence for Climate Extremes looks at this question. climateextremes.org.au/is-the-clima...
Is the Climate Changing Faster than Expected? - The ARC Centre of Excellence for Climate Extremes
The evidence is clear: the impacts of global warming are increasing, and to reduce them, we require a deep and rapid cut in greenhouse gas emissions.
climateextremes.org.au
November 28, 2024 at 11:52 PM
Reposted by Aditya Sengupta
'Global emergence of regional heatwave hotspots outpaces climate model simulations'

our new paper in @pnas.org with S. Bartusek, R. Seager. J. Schellnhuber and M. Ting investigating the tail behaviour of extreme heatwave trends.

@iiasa.ac.at @columbiaclimate.bsky.social @lamontearth.bsky.social
November 26, 2024 at 6:51 PM