British summers are truly the worst. But why? Well, two big reasons…

This video was funded by the Wellcome Trust.

Thanks to Professor Mitchell and the team at Bristol for their help with this video. You can learn more about their research here: https://www.bristol.ac.uk/cabot/what-we-do/climate-health/

You can support the channel by becoming a patron at http://www.patreon.com/simonoxfphys

REFERENCES
1. https://www.calculator.net/heat-index-calculator.html?airtemperature=28&airtemperatureunit=celsius&humidity=90&ctype=1&x=Calculate
2. https://climate.copernicus.eu/why-are-europe-and-arctic-heating-faster-rest-world
3. https://www.theccc.org.uk/publication/progress-in-reducing-emissions-2026-report-to-parliament/
4. https://www.theccc.org.uk/publication/a-well-adapted-uk/
5. https://www.reuters.com/business/environment/europe-recorded-10000-excess-deaths-during-late-june-heatwave-data-show-2026-07-12/
6. https://iopscience.iop.org/article/10.1088/1748-9326/adcbc5
7. https://iopscience.iop.org/article/10.1088/1748-9326/adcbc5
8. https://doi.org/10.1038/s41558-018-0222-x
9. https://doi.org/10.1038/s41558-018-0222-x
10. https://www.bmj.com/content/393/bmj-2026-100088
11. https://journal-buildingscities.org/articles/10.5334/bc.541
12. https://journal-buildingscities.org/articles/10.5334/bc.541
13. https://www.cape.ac.uk/wp-content/uploads/2023/05/GBI-Rapid-Evidence-Assessment.pdf
14. https://apps.london.gov.uk/cool-spaces/
15. https://www.bbc.co.uk/news/articles/c5yj8ew1pnlo
16. https://ukhsa.blog.gov.uk/2026/06/01/what-is-west-nile-virus-and-is-it-found-in-the-uk/
17. https://ukhealthalliance.org/flooding/
18. https://pubmed.ncbi.nlm.nih.gov/38766924/
19. https://www.gov.uk/guidance/adverse-weather-and-health-plan
20. https://www.gov.uk/guidance/heat-health-alerting-system

———- II ———-

More about me – https://www.simonoxfphys.com/
My second channel – https://www.youtube.com/simonclarkerrata
My book – https://geni.us/firmament

Bluesky – https://bsky.app/profile/simonoxfphys.com
Instagram – https://www.instagram.com/simonoxfphys
Twitch – https://www.twitch.tv/drsimonclark

———- II ———-

Music by Epidemic Sound: http://nebula.tv/epidemic
Some stock footage courtesy of Getty.

Edited by Luke Negus.
Research by Amelia Jabry.
Tarot cards designed by Amelia Jabry and Miralia Jabry.

Huge thanks to my supporters on Patreon:
bitreign33 , Dave Teare, Eric A Gentzler, Gary Stark, Glen Monks, Marcus Bosshard.

Artem Plotnikov, Ben Curtis, David TLR, Jeffry ., Jon Arlov, Marius Kießling, Paul H and Linda L, Peter Reid, TheKeeperOfPie, Tom Oldfield.

Adam Gillard, Adam Pazderka, Adrian Sand, Alex, Alex Hall, Andrea De Mezzo, Andy Hartley, Andy Parr, Anže Cesar, Ashley Hauck, Ashley Steel, Atkinson , AYS , Baerbel Winkler, Bastian Pranzas, Ben Blower, Bill Keydel, Brian Moss, Chris Laslett, Christian Weckner, Christopher Hall, Cifer, Ciotka Cierpienia, Circuitrinos, Clemens, Cody VanZandt, Crisan Talpes, Dan Hanvey, Daniel Andersson, Daniel Cooney, David Mccann, David Stone, Denis Kovachev, Dom, Dominik Rihak, Duffman, FireFerretDann, flakykilowatt, Florian Thie, Gabriele Siino, Hannarrrr, Haris Karimjee, Heijde, Ian Hamilton, idris, j, Jack Fretwell, Jacob Speelman, James Gaskell, James Gurney, James Haigh, James Leadbetter, Jan-Willem Goedmakers, Jean-Manuel Izaret, Jekel’s Climate Channel, Joachim Murat, John, Josef Probst, Katharina Hartmuth, Kevin B, Kirsten Athome, Knut Nesheim, Korbinian, Kristopher Sicari, Lach Woods, Leonard Neamtu, Marcin Wrochna, Mark Harper, Mark Moore, Mark Richardson, Matthew H, Mercure, Micael Batista, Michael Belde, Michelle Valentino, Miguel Cabrera Brufau, Mike, Mike T, Mikkel Kragh, Morten Engsvang, Nathan Rohrlach, Nick Humphries, Nico Kempe, OldGreyWolf, Peter Lee, Phil Saici, Philipp Legner, Rapssack, Real Engineering, Reid, Richard Bartlett, Richard Swain, Ryan, Sean Richards, Seb Stott, Sergio Alvarez, Sergio Diaz, Simone, Steffan , Sylvus , szigyi, Ted CLAY, Thibault , Thomas Charbonnel, Thomas Newman, Thusto , Tobias Ahsbahs, Tom Painter, Tom Wilson, Tomás Garnier Artiñano, Tony, Tschäff Reisberg, Ui, Victor Gordan, Yorick Droz, Youri Hubaut, Zoey O’Neill.

https://www.youtube.com/watch?v=ZfJzRpmbPuY

Some thoughts on a surprising learning journey.
Get Nebula for 50% off: https://go.nebula.tv/simonclark
Ten Pound Traveller: https://nebula.tv/videos/jdraper-the-pirate-ship-docked-in-central-london-the-ten-pound-traveller?ref=simonclark

Key resources
– Carbon Brief debunking article: https://www.carbonbrief.org/factcheck-no-europes-heatwaves-are-not-being-caused-by-declining-air-pollution
– Heated article on Republicans: https://heated.world/p/the-fossil-fuel-money-behind-the
– World Weather Attribution study on French and Spanish wildfires: https://www.worldweatherattribution.org/climate-change-increases-likelihood-of-compounding-drivers-of-severe-wildfire-conditions-in-france-and-spain/
– World Weather Attribution study on European precipitation/temperature: https://www.worldweatherattribution.org/increasingly-hot-europe-faces-more-severe-droughts-and-growing-challenges-for-water-and-land-management/
– Copernicus data on wildfire carbon emissions: https://atmosphere.copernicus.eu/copernicus-global-biomass-burning-emissions-2026-their-lowest-level-2003
– Article expanding on Copernicus data: https://phys.org/news/2026-07-wildfires-extreme-europe-north-america.html
– UK wildfire data: https://www.moorlandassociation.org/post/2026-uk-wildfire-emissions-data
– Ayesha Tandon: https://www.youtube.com/@AyeshaTandon
– State of Wildfires: https://stateofwildfires.com/latest-report/
– How to prevent a wildfire: https://smileymovement.org/news/how-to-prevent-a-wildfire

Places to get good climate reporting
– Carbon Brief: https://www.carbonbrief.org/
– DeSmog: https://www.desmog.com/
– Heated: https://heated.world/
– Climate Brink: https://www.theclimatebrink.com/

Fire-related charities
– Fire Aid: https://www.fire-aid.org/
– One Tree Planted: https://onetreeplanted.org/products/wildfire-fund
– After the Fire USA: https://afterthefireusa.org/

You can support the channel by becoming a patron at http://www.patreon.com/simonoxfphys

———- II ———-

More about me – https://www.simonoxfphys.com/
My second channel – https://www.youtube.com/simonclarkerrata
My book – https://geni.us/firmament

Bluesky – https://bsky.app/profile/simonoxfphys.com
Instagram – https://www.instagram.com/simonoxfphys
Twitch – https://www.twitch.tv/drsimonclark

———- II ———-

Music by Epidemic Sound: http://nebula.tv/epidemic
Some stock footage courtesy of Getty.

Huge thanks to my supporters on Patreon:
bitreign33 , Dave Teare, Eric A Gentzler, Gary Stark, Glen Monks, Marcus Bosshard.

Artem Plotnikov, Ben Curtis, David TLR, Jeffry ., Jon Arlov, Marius Kießling, Paul H and Linda L, Peter Reid, TheKeeperOfPie, Tom Oldfield.

Adam Gillard, Adam Pazderka, Adrian Sand, Alex, Alex Hall, Andrea De Mezzo, Andy Hartley, Andy Parr, Anže Cesar, Ashley Hauck, Ashley Steel, Atkinson , AYS , Baerbel Winkler, Bastian Pranzas, Ben Blower, Bill Keydel, Brian Moss, Chris Laslett, Christian Weckner, Christopher Hall, Cifer, Ciotka Cierpienia, Circuitrinos, Clemens, Cody VanZandt, Crisan Talpes, Dan Hanvey, Daniel Andersson, Daniel Cooney, David Mccann, David Stone, Denis Kovachev, Dom, Dominik Rihak, Duffman, FireFerretDann, flakykilowatt, Florian Thie, Gabriele Siino, Hannarrrr, Haris Karimjee, Heijde, Ian Hamilton, idris, j, Jack Fretwell, Jacob Speelman, James Gaskell, James Gurney, James Haigh, James Leadbetter, Jan-Willem Goedmakers, Jean-Manuel Izaret, Jekel’s Climate Channel, Joachim Murat, John, Josef Probst, Katharina Hartmuth, Kevin B, Kirsten Athome, Knut Nesheim, Korbinian, Kristopher Sicari, Lach Woods, Leonard Neamtu, Marcin Wrochna, Mark Harper, Mark Moore, Mark Richardson, Matthew H, Mercure, Micael Batista, Michael Belde, Michelle Valentino, Miguel Cabrera Brufau, Mike, Mike T, Mikkel Kragh, Morten Engsvang, Nathan Rohrlach, Nick Humphries, Nico Kempe, OldGreyWolf, Peter Lee, Phil Saici, Philipp Legner, Rapssack, Real Engineering, Reid, Richard Bartlett, Richard Swain, Ryan, Sean Richards, Seb Stott, Sergio Alvarez, Sergio Diaz, Simone, Steffan , Sylvus , szigyi, Ted CLAY, Thibault , Thomas Charbonnel, Thomas Newman, Thusto , Tobias Ahsbahs, Tom Painter, Tom Wilson, Tomás Garnier Artiñano, Tony, Tschäff Reisberg, Ui, Victor Gordan, Yorick Droz, Youri Hubaut, Zoey O’Neill.

https://www.youtube.com/watch?v=M9Hoy9Kn1u0

What if nuclear reactor but… small? And many? Let’s talk SMRs. Over to Tristan…

Tristan: @TristanSharman
Bluesky: https://bsky.app/profile/tristansharman.bsky.social

You can support the channel by becoming a patron at http://www.patreon.com/simonoxfphys

REFERENCES
1. https://ourworldindata.org/grapher/electricity-prod-source-stacked?stackMode=relative
2. https://ourworldindata.org/grapher/share-electricity-nuclear
3. https://www.bbc.co.uk/future/article/20190725-will-we-ever-know-chernobyls-true-death-toll
4. https://www.iaea.org/topics/chornobyl/faqs
5. https://world-nuclear.org/information-library/safety-and-security/safety-of-plants/fukushima-daiichi-accident
6. https://www.nrc.gov/reading-rm/doc-collections/fact-sheets/3mile-isle
7. https://ourworldindata.org/grapher/death-rates-from-energy-production-per-twh
8. https://world-nuclear.org/information-library/nuclear-fuel-cycle/nuclear-waste/radioactive-wastes-myths-and-realities
9. https://www.euronews.com/2026/04/09/in-finland-the-worlds-first-facility-to-bury-nuclear-waste-is-set-to-begin-operations
10. https://world-nuclear.org/information-library/energy-and-the-environment/carbon-dioxide-emissions-from-electricity
11. https://www.energydashboard.co.uk/live
12. https://ourworldindata.org/cheap-renewables-growth
13. https://www.theguardian.com/uk-news/2026/feb/20/hinkley-point-c-delayed-to-2030-as-costs-climb-to-35bn
14. https://en.wikipedia.org/wiki/List_of_small_modular_reactor_designs
15. https://www.oecd.org/en/publications/small-modular-reactors_18fbb76c-en.html
16. https://pubmed.ncbi.nlm.nih.gov/17777943/
17. https://www.scientificamerican.com/article/coal-ash-is-more-radioactive-than-nuclear-waste/
18. https://www.navylookout.com/the-evolution-of-uk-nuclear-submarine-reactors-and-rolls-royces-central-role/
19. https://world-nuclear.org/information-library/nuclear-power-reactors/small-modular-reactors/small-modular-reactor-smr-global-tracker
20. https://www.world-nuclear-news.org/articles/russias-floating-nuclear-power-plant-passes-one-billion-kwh
21. https://www.world-nuclear-news.org/Articles/Chinese-HTR-PM-Demo-begins-commercial-operation
22. https://www.gov.uk/government/publications/national-policy-statement-for-nuclear-energy-generation-en-7
23. https://www.gov.uk/government/news/rolls-royce-smr-selected-to-build-small-modular-nuclear-reactors
24. https://www.sciencedirect.com/science/article/pii/S1364032124004696
25. https://www.rolls-royce.com/media/press-releases/2025/15-09-2025-rr-welcomes-action-from-uk-and-us-governments-to-usher-in-new-golden-age-of-nuclear-energy.aspx
26. https://www.aboutamazon.com/news/sustainability/amazon-nuclear-small-modular-reactor-net-carbon-zero
27. https://blog.google/company-news/outreach-and-initiatives/sustainability/google-kairos-power-nuclear-energy-agreement/
28. https://www.iea.org/reports/energy-and-ai/energy-supply-for-ai
29. https://hannahritchie.substack.com/p/net-zero-delay
30. https://climateactiontracker.org/global/emissions-pathways/

———- II ———-

Music by Epidemic Sound: http://nebula.tv/epidemic
Some stock footage courtesy of Getty.
Edited by Luke Negus.

Huge thanks to my supporters on Patreon:
bitreign33 , Dave Teare, Eric A Gentzler, Gary Stark, Glen Monks, Marcus Bosshard.

Artem Plotnikov, Ben Curtis, David TLR, Jeffry ., Jon Arlov, Marius Kießling, Paul H and Linda L, Peter Reid, TheKeeperOfPie, Tom Oldfield.

Adam Gillard, Adam Pazderka, Adrian Sand, Alex, Alex Hall, Andrea De Mezzo, Andy Hartley, Andy Parr, Anže Cesar, Ashley Hauck, Ashley Steel, Atkinson , AYS , Baerbel Winkler, Bastian Pranzas, Ben Blower, Bill Keydel, Brian Moss, Chris Laslett, Christian Weckner, Christopher Hall, Cifer, Ciotka Cierpienia, Circuitrinos, Clemens, Cody VanZandt, Crisan Talpes, Dan Hanvey, Daniel Andersson, Daniel Cooney, David Mccann, David Stone, Denis Kovachev, Dom, Dominik Rihak, Duffman, FireFerretDann, flakykilowatt, Florian Thie, Gabriele Siino, Hannarrrr, Haris Karimjee, Heijde, Ian Hamilton, idris, j, Jack Fretwell, Jacob Speelman, James Gaskell, James Gurney, James Haigh, James Leadbetter, Jan-Willem Goedmakers, Jean-Manuel Izaret, Jekel’s Climate Channel, Joachim Murat, John, Josef Probst, Katharina Hartmuth, Kevin B, Kirsten Athome, Knut Nesheim, Korbinian, Kristopher Sicari, Lach Woods, Leonard Neamtu, Marcin Wrochna, Mark Harper, Mark Moore, Mark Richardson, Matthew H, Mercure, Micael Batista, Michael Belde, Michelle Valentino, Miguel Cabrera Brufau, Mike, Mike T, Mikkel Kragh, Morten Engsvang, Nathan Rohrlach, Nick Humphries, Nico Kempe, OldGreyWolf, Peter Lee, Phil Saici, Philipp Legner, Rapssack, Real Engineering, Reid, Richard Bartlett, Richard Swain, Ryan, Sean Richards, Seb Stott, Sergio Alvarez, Sergio Diaz, Simone, Steffan , Sylvus , szigyi, Ted CLAY, Thibault , Thomas Charbonnel, Thomas Newman, Thusto , Tobias Ahsbahs, Tom Painter, Tom Wilson, Tomás Garnier Artiñano, Tony, Tschäff Reisberg, Ui, Victor Gordan, Yorick Droz, Youri Hubaut, Zoey O’Neill.

https://www.youtube.com/watch?v=9evj–EOL1Q