Richard P. Allan | Lightnews

Richard Allan @rpallanuk.bsky.social · 4h

Emerging #drought hotspots across Europe, southern Africa, northern South America + western North America based on new approach considering growing season soil moisture available to plants - @natureportfolio.nature.com study by Emily Black @unirdg-met.bsky.social: doi.org/10.1038/s415...

Figure 6 of Black et al. showing emerging drought hotspots in historical simulations and observations estimates and future projections

Richard Allan @rpallanuk.bsky.social · 2d

I’d wondered about burying trees to lock away carbon and assumed it’d be too slow but here’s a proposal to sink them in the Arctic Ocean (via @newscientist.com):
www.nature.com/articles/s44...

Keep Caversham Tidy @cavershamtidy.bsky.social · 4d

As we head back out into the ice today, here’s a write up of last week’s litter pick by @henleystandard.bsky.social!
www.henleystandard.co.uk/news/home/70...

Gas canisters and frozen nappy found by roadside

A FROZEN nappy and nitrous oxide canisters were among items collected during Keep Caversham Tidy’s first litter pick of the year on Saturday morning. They were among 19 small bags and seven large bags...

www.henleystandard.co.uk

Richard Allan @rpallanuk.bsky.social · 6d

Global #climate hazards @ukhsa.bsky.social:
❄️ #snow & storms affect Europe, Iran/Syria & USA
🌧️ #floods across France, Spain, Afghanistan, Indonesia, Iran, Palestine & USA
🔥 #wildfires in Australia, Chile
🥀 #drought over Somalia
🌩️ #lightning strikes S Africa
www.met.reading.ac.uk/~sgs02rpa/ex...

Bamburgh Castle surrounded by snow in Bamburgh, England, Tuesday, Jan. 6, 2026. (Owen Humphreys/PA via AP)

Richard Allan @rpallanuk.bsky.social · 6d

Ten New Insights in #Climate Science 2025 published @universitypress.cambridge.org Global Sustainability: doi.org/10.1017/sus....

Report @futureearth.bsky.social 10insightsclimate.science

10 New Insights in Climate Science

Essential research findings to support decision-making in a critical decade.

10insightsclimate.science

Reading Meteorology @unirdg-met.bsky.social · 6d

The @uniofreading.bsky.social has been a leading advocate for #climate education to better prepare young people for changing careers & society, as explained by our head of school Andrew Charlton-Perez OBE in this @uk.theconversation.com article:
theconversation.com/climate-educ...

Climate education proposals will prepare young people in England for changing careers and society

Ensuring that all young people develop strong climate and nature literacy will be essential for both personal resilience and national prosperity.

theconversation.com

Richard Allan @rpallanuk.bsky.social · 8d

The #uksnow has even reached RG1 (5/10)!

Looking out from University of Reading London Road campus

Keep Caversham Tidy @cavershamtidy.bsky.social · 11d

Our 1st pick of 2026 began at -2C & ended with 19 small/7 large bags of litter including bonus help from the @henleystandard.bsky.social!

Join us this year for a new outdoors, sociable & free activity: www.met.reading.ac.uk/~sgs02rpa/KCT

Keep Caversham Tidy volunteers stand gormlessly by their collected haul of litter

Carbon Brief @carbonbrief.org · 12d

NEW – Analysis: UK renewables enjoy record year in 2025 – but gas power still rises

✍️ by @drsimevans.carbonbrief.org and Ho Woo Nam

Read here ➡️ buff.ly/YTa31NF

Richard Allan @rpallanuk.bsky.social · 26d

Jump in SSTs 2023-24 from dual tropical Pacific warming centres & eastward-extended North Atlantic jet stream, boosted by a large global energy imbalance driven by rising grenhouse gases & falling aerosol that was exacerbated by preceding extended La Niña heat sequestration: doi.org/10.1038/s432...

Fig. 6 of Jiang et al. (2025) Nature Communications - The relationship between the interannual changes in Ocean Heat Content and the top of atmosphere energy budget.

Richard Allan @rpallanuk.bsky.social · 26d

Global #climate hazards @ukhsa.bsky.social 18th Dec 2025:
🌧️ #floods & landslides in Bolivia, Morocco, Palestine, Malaysia & Vietnam
⛈️ storms hit Brazil & USA
🔥 #wildfire affects Chile
🏭 #smog over Bosnia & Herzegovina, N India
❄️ heavy #snow covers W Canada
www.met.reading.ac.uk/~sgs02rpa/ex...

Tree downed by cyclonic winds crushes car in São Paulo, Brazil on December 11, 2025. Credit: Agencia Brasil

Ken Rice @kenrice.bsky.social · 27d

www.theguardian.com/environment/...

‘Massive disruption’: UK’s worst-case climate crisis scenarios revealed by scientists

Scientists say government must prepare for unlikely but ‘plausible’ 4C rise in temperature and a 2-metre rise in sea levels

www.theguardian.com

Richard Allan @rpallanuk.bsky.social · 28d

Fascinating to see the stark contrasts in space and time over our small but diverse country! Climate whiplash literature will certainly be assessed in the current @ipcc.bsky.social cycle

Richard Allan @rpallanuk.bsky.social · 28d

Latest @ukceh.bsky.social UK hydrological summary for November 2025 - very wet with shift from #drought to #flood concerns and consistent with an expected more variable and extreme water cycle in a warming #climate:
nrfa.ceh.ac.uk/sites/defaul...

Richard Allan @rpallanuk.bsky.social · 29d

Emerging cold-fresh/warm-salty dipoles in the N Atlantic during 2014 with implications for ocean circulation - more analysis with my Dad in @tandfresearch.bsky.social! doi.org/10.1080/0705...

Animation of OSCAR estimated ocean currents just for fun ⬇️

Keep Caversham Tidy @cavershamtidy.bsky.social · Dec 13

We gathered for a festive feed to celebrate our 39 picks by 75 volunteers working a gruelling 942 volunteer-hours to collect 563 small bags + 375 big bags of litter from across Caversham in 2025. As usual Ken wins🥇for the most picks (35)! Thanks to @dofe.org volunteers for their help #litterpickers

Keep Caversham Tidy volunteers gather for a festive feed

Richard Allan @rpallanuk.bsky.social · Dec 12

Global #climate hazards @ukhsa.bsky.social 12th December 2025:
🌧️ #flooding & landslides across Malaysia, Thailand, Indonesia, Vietnam, Sri Lanka, Iraq, DR Congo, USA & Brazil
🔥 #wildfire in Australia
⛈️ winter storm hits Palestine
www.met.reading.ac.uk/~sgs02rpa/ex...

Flooding of Snoqualmie River across main road, the NE 124th St., which connects W. Snoqualmie Valley Rd. NE on the Redmond side, and SR-203 on the Duvall and Carnation side, Wednesday, Dec. 10, 2025, near Novelty, Wash. (Ken Lambert/The Seattle Times via AP)

Reading Meteorology @unirdg-met.bsky.social · Dec 12

Festive tunes have arrived @unirdg-met.bsky.social following our last weather & climate discussion!

Richard Allan @rpallanuk.bsky.social · Dec 7

The @uniofreading.bsky.social authors of @ipcc.bsky.social 7th assessment met in Paris with 2 @unirdg-met.bsky.social covering physical processes & climate stabilisation pathways + 1 @unirdg-law.bsky.social on #climate law aspects of mitigation:
www.ipcc.ch/assessment-r...

University of Reading authors Andrea Dittus, Benoit Mayer & Richard Allan talk about the journey ahead

All 3 working groups, the physical science basis, impacts/adaptation and mitigation joined in person for the first time

Richard Allan @rpallanuk.bsky.social · Dec 5

Global #climate hazards @ukhsa.bsky.social 5th Dec 2025:
🌧️ #floods & landslides affect South & Southeast Asia, Bolivia, Peru & South Africa
🌩️ storms hit DR Congo & New Zealand
www.met.reading.ac.uk/~sgs02rpa/ex...

People moving in Water logged area [Credit: DMC Sri Lanka via WHO]

Richard Allan @rpallanuk.bsky.social · Nov 28

Global #climate hazards @ukhsa.bsky.social 28 Nov 25
🌧️ #floods & landslides Albania, Italy, South Africa, French Polynesia, Malaysia, Indonesia, Philippines, Vietnam, Mexico
⛈️ storms hit eastern Australia, Brazil, USA, Sri Lanka & India
🥀 #drought grips Somalia
www.met.reading.ac.uk/~sgs02rpa/ex...

Richard Allan @rpallanuk.bsky.social · Nov 24

Slow late November growth in #Arctic sea ice extent, 2nd only to 2016 based on @nsidc.bsky.social data:
nsidc.org/sea-ice-toda...

Chart showing annual cycle of Arctic sea ice extent for 2022-2025 plus 2016 and 2012

Richard Allan @rpallanuk.bsky.social · Nov 22

Only through carefully coordinated international agreement and as an addition to mitigation of greenhouse gas emissions, assuming the latter was deemed inadequate: royalsociety.org/news/2025/11...

Solar radiation modification could reduce global temperatures but is no substitute for reducing emissions, says Royal Society | Royal Society

A Royal Society briefing, published today, considers the potential impacts of solar radiation modification (SRM) if deployed globally, in a scientifically informed way, across both hemispheres and for...

royalsociety.org

Richard Allan @rpallanuk.bsky.social · Nov 21

You could email the author? Couldn’t find an open access version

Richard Allan @rpallanuk.bsky.social · Nov 21

Global #climate hazards @ukhsa.bsky.social 21 Nov 2025:
⛈️ storms hit Chile/Argentina, Portugal & UK
🌧️ #floods & landslides affect Italy/Slovenia, France, Republic of the Congo, Thailand, Vietnam, Indonesia, USA
www.met.reading.ac.uk/~sgs02rpa/ex...

In this photo released by the Indonesian National Search and Rescue Agency (BASARNAS) on Monday, Nov. 17, 2025, rescuers recover a victim of a landslide in Cilacap, Indonesia. (BASARNAS via AP)

Richard Allan @rpallanuk.bsky.social · Nov 21

Daily extreme precipitation over land increases ~40% by 2100 in high resolution single model ensemble under high greenhouse gas emissions scenario with over half driven by enhanced mesoscale convergence that's underestimated by factor of 3 in low-resolution simulations:
doi.org/10.1038/s415...

Future extreme precipitation amplified by intensified mesoscale moisture convergence - Nature Geoscience

Extreme daily precipitation events over land could increase by about 41% by 2100 under a high-emissions scenario with an increase in mesoscale moisture convergence, according to an ensemble of climate...

doi.org

Richard Allan @rpallanuk.bsky.social · Nov 21

As well as protecting health, China’s efforts at cleaning up aerosol particle pollution has restored sunlight to Pacific Ocean, once robbed by the haze that was artificially brightening clouds, which unfortunately adds to warming - @uk.theconversation.com podcast:
theconversation.com/how-china-cl...

How China cleaned up its air pollution – and what that meant for the climate

Atmospheric scientist Laura Wilcox talks to The Conversation Weekly about the measures China took to improve its air pollution – and the unintended consequences for the climate.

theconversation.com

Richard Allan @rpallanuk.bsky.social · Nov 19

No. But at the top of our new large water tank is the computer that assesses various in/out temperatures & weather conditions to fine tune things. There’s a survey before install to assess heat loss from each room so they know if to install bigger radiators and they’d answer these kinds of questions

Richard Allan @rpallanuk.bsky.social · Nov 19

Not noticed any issues? Our air to water heat pump is designed to work effectively and without issue down to -10C snd below and has inbuilt frost settings so shouldn’t be an issue in the UK, though regularly checking for debris or snow build up is also recommended.

Richard Allan @rpallanuk.bsky.social · Nov 19

As well as rapidly cutting CO2 emissions, tackling short-lived warming agents like methane & surface ozone pollution boosts action to limit #climate warming + counteracts warming from cleaning our air of harmful aerosol particles that have robbed us of sunlight: theconversation.com/the-fast-fix...

The fast-fix for global warming that the UN climate summit can’t ignore

Removing so-called ‘short-lived climate pollutants’ from the atmosphere could reduce global warming – fast.

theconversation.com

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