Erwan Rivault
@erwanrivault.com
Data visualisation designer at BBC News focusing on satellite data, climate change and cartography | previously at @esa.int | Co-founder of @chartle.cc - A daily chart game
Pinned
Erwan Rivault
@erwanrivault.com
· Sep 12
Chartle - A daily chart game
Guess the country in red by analysing today's chart
chartle.cc
Launch day 🚀
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
Reposted by Erwan Rivault
Can you guess which country suddenly stopped all its nuclear power generation in the early 2010s, and then slowly restarted it?
Have a try at chartle.cc
Have a try at chartle.cc
October 27, 2025 at 4:31 PM
Can you guess which country suddenly stopped all its nuclear power generation in the early 2010s, and then slowly restarted it?
Have a try at chartle.cc
Have a try at chartle.cc
The Israeli military is placing large yellow blocks to delineate the newly established Yellow Line in Gaza - issue is, it’s off by over 500 meters in some areas, shrinking the Palestinian safe area.
www.bbc.co.uk/news/article...
www.bbc.co.uk/news/article...
October 23, 2025 at 2:25 PM
The Israeli military is placing large yellow blocks to delineate the newly established Yellow Line in Gaza - issue is, it’s off by over 500 meters in some areas, shrinking the Palestinian safe area.
www.bbc.co.uk/news/article...
www.bbc.co.uk/news/article...
Do you enjoy playing chartle.cc?
We’re opening up to the community!
Are you a scientist, journalist, researcher or just a data-enthusiast and would like to submit your own data (it should be a country-based time series)? Get in touch with us - we’d love to feature it!
We’re opening up to the community!
Are you a scientist, journalist, researcher or just a data-enthusiast and would like to submit your own data (it should be a country-based time series)? Get in touch with us - we’d love to feature it!
Chartle - A daily chart game
Guess the country in red by analysing today's chart
chartle.cc
October 20, 2025 at 10:41 AM
Do you enjoy playing chartle.cc?
We’re opening up to the community!
Are you a scientist, journalist, researcher or just a data-enthusiast and would like to submit your own data (it should be a country-based time series)? Get in touch with us - we’d love to feature it!
We’re opening up to the community!
Are you a scientist, journalist, researcher or just a data-enthusiast and would like to submit your own data (it should be a country-based time series)? Get in touch with us - we’d love to feature it!
Reposted by Erwan Rivault
New visual story: Bird migration is one of nature’s greatest spectacles — and scientists are uncovering extraordinary insights into how new threats are reshaping these epic journeys. Follow the remarkable travels of three birds as they fly across the planet. www.theguardian.com/environment/...
October 16, 2025 at 8:17 AM
New visual story: Bird migration is one of nature’s greatest spectacles — and scientists are uncovering extraordinary insights into how new threats are reshaping these epic journeys. Follow the remarkable travels of three birds as they fly across the planet. www.theguardian.com/environment/...
Reposted by Erwan Rivault
Can you guess which country went from producing almost 70% of its electricity from coal in the 1980s to just 0.82% in 2024?
Think you know? Try it at chartle.cc
Think you know? Try it at chartle.cc
October 14, 2025 at 4:06 PM
Can you guess which country went from producing almost 70% of its electricity from coal in the 1980s to just 0.82% in 2024?
Think you know? Try it at chartle.cc
Think you know? Try it at chartle.cc
Reposted by Erwan Rivault
October 11 SkySat imagery from @planet.com shows a column of smoke rising from the Sheikh Ejleen Waste Water Treatment Plant after the IDF withdrew from the base they established at the plant.
SkySat imagery from October 7 shows IDF vehicles and temporary structures set up inside the plant.
SkySat imagery from October 7 shows IDF vehicles and temporary structures set up inside the plant.
October 13, 2025 at 3:40 PM
October 11 SkySat imagery from @planet.com shows a column of smoke rising from the Sheikh Ejleen Waste Water Treatment Plant after the IDF withdrew from the base they established at the plant.
SkySat imagery from October 7 shows IDF vehicles and temporary structures set up inside the plant.
SkySat imagery from October 7 shows IDF vehicles and temporary structures set up inside the plant.
Reposted by Erwan Rivault
NEW: How mega batteries are unlocking an energy revolution
Massive shipping containers packed with powerful batteries are shoring up grids & extending the use of clean power
ig.ft.com/mega-batteri...
Latest visual story w/ @samlearner.bsky.social @inari-ta.bsky.social @samjoiner.bsky.social
Massive shipping containers packed with powerful batteries are shoring up grids & extending the use of clean power
ig.ft.com/mega-batteri...
Latest visual story w/ @samlearner.bsky.social @inari-ta.bsky.social @samjoiner.bsky.social
How mega batteries are unlocking an energy revolution
Vast battery units are shoring up grids and extending the use of clean power
ig.ft.com
October 13, 2025 at 11:47 AM
NEW: How mega batteries are unlocking an energy revolution
Massive shipping containers packed with powerful batteries are shoring up grids & extending the use of clean power
ig.ft.com/mega-batteri...
Latest visual story w/ @samlearner.bsky.social @inari-ta.bsky.social @samjoiner.bsky.social
Massive shipping containers packed with powerful batteries are shoring up grids & extending the use of clean power
ig.ft.com/mega-batteri...
Latest visual story w/ @samlearner.bsky.social @inari-ta.bsky.social @samjoiner.bsky.social
Daily Chartle player? We’ve got an update for you 👀
You can now see how everyone else scored when you finish the game (this is today's game). Keep the feedback coming, it’s helping us make chartle.cc better!
You can now see how everyone else scored when you finish the game (this is today's game). Keep the feedback coming, it’s helping us make chartle.cc better!
October 8, 2025 at 5:05 PM
Daily Chartle player? We’ve got an update for you 👀
You can now see how everyone else scored when you finish the game (this is today's game). Keep the feedback coming, it’s helping us make chartle.cc better!
You can now see how everyone else scored when you finish the game (this is today's game). Keep the feedback coming, it’s helping us make chartle.cc better!
Reposted by Erwan Rivault
Can you guess which country has the most hospital beds per capita in the world?
Have a try by playing at chartle.cc
Have a try by playing at chartle.cc
September 30, 2025 at 4:49 PM
Can you guess which country has the most hospital beds per capita in the world?
Have a try by playing at chartle.cc
Have a try by playing at chartle.cc
Starting a 3-month pilot today with the BBC’s brand-new satellite data team!
We'll be focusing on using remote sensing data for news stories and longer-term investigations 🛰️ 🌍
Got tips, an upcoming paper or data, or just ideas you'd like to share with us?
DM or email me at erwan.rivault@bbc.co.uk
We'll be focusing on using remote sensing data for news stories and longer-term investigations 🛰️ 🌍
Got tips, an upcoming paper or data, or just ideas you'd like to share with us?
DM or email me at erwan.rivault@bbc.co.uk
September 23, 2025 at 10:08 AM
Starting a 3-month pilot today with the BBC’s brand-new satellite data team!
We'll be focusing on using remote sensing data for news stories and longer-term investigations 🛰️ 🌍
Got tips, an upcoming paper or data, or just ideas you'd like to share with us?
DM or email me at erwan.rivault@bbc.co.uk
We'll be focusing on using remote sensing data for news stories and longer-term investigations 🛰️ 🌍
Got tips, an upcoming paper or data, or just ideas you'd like to share with us?
DM or email me at erwan.rivault@bbc.co.uk
It's been a week since we launched @chartle.cc with @adnaanj.bsky.social and we had an amazing start!
- Average of 700 users/day
- Record 1.2K users yesterday
- From 78 countries
- 66% win overall
- 2m 18s average engagement
Thank you to all who played + shared the game
Any feedback, send our way!
- Average of 700 users/day
- Record 1.2K users yesterday
- From 78 countries
- 66% win overall
- 2m 18s average engagement
Thank you to all who played + shared the game
Any feedback, send our way!
Launch day 🚀
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
Chartle - A daily chart game
Guess the country in red by analysing today's chart
chartle.cc
September 19, 2025 at 12:32 PM
It's been a week since we launched @chartle.cc with @adnaanj.bsky.social and we had an amazing start!
- Average of 700 users/day
- Record 1.2K users yesterday
- From 78 countries
- 66% win overall
- 2m 18s average engagement
Thank you to all who played + shared the game
Any feedback, send our way!
- Average of 700 users/day
- Record 1.2K users yesterday
- From 78 countries
- 66% win overall
- 2m 18s average engagement
Thank you to all who played + shared the game
Any feedback, send our way!
A chart-themed game in your datavis dispatch this week! @chartle.cc 📈
This week's Dispatch brings a range of topics — U.S. politics, gender issues, the economy, conflict, and climate — as well as a chart-themed game at the end. 📊 🕹️
www.datawrapper.de/blog/data-vi...
www.datawrapper.de/blog/data-vi...
September 16, 2025 at 4:38 PM
A chart-themed game in your datavis dispatch this week! @chartle.cc 📈
Today's chartle game is almost exactly like 📈
Which country has the highest number of patent applications per million people worldwide?
Do you think you can solve it? Have a try at chartle.cc
Do you think you can solve it? Have a try at chartle.cc
September 16, 2025 at 9:34 AM
Today's chartle game is almost exactly like 📈
Reposted by Erwan Rivault
A fun chart game that primarily sources its data from Our World in Data!
Launch day 🚀
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
Chartle - A daily chart game
Guess the country in red by analysing today's chart
chartle.cc
September 15, 2025 at 1:54 PM
A fun chart game that primarily sources its data from Our World in Data!
Reposted by Erwan Rivault
Which country in the world has the highest share of women in parliament? (and has since 2003..!)
Can you solve it? Have a try at chartle.cc
Can you solve it? Have a try at chartle.cc
September 14, 2025 at 10:03 AM
Which country in the world has the highest share of women in parliament? (and has since 2003..!)
Can you solve it? Have a try at chartle.cc
Can you solve it? Have a try at chartle.cc
Launch day 🚀
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
Chartle - A daily chart game
Guess the country in red by analysing today's chart
chartle.cc
September 12, 2025 at 1:41 PM
Launch day 🚀
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
We’ve just released @chartlecc.bsky.social - a daily chart game!
Your job is to guess which country is represented by the red line in today's chart. You get 5 tries, no other clues!
Play today, come back tomorrow for a different chart with new data and share with your chart friends 📈
Parts of the Mediterranean Sea reached 30C this week, much earlier than usual, raising fears for marine life.
For some areas, this is 6 or 7C warmer than usual at this time of year.
Our story with more maps by @markpoynting.bsky.social and me here:
www.bbc.com/news/article...
For some areas, this is 6 or 7C warmer than usual at this time of year.
Our story with more maps by @markpoynting.bsky.social and me here:
www.bbc.com/news/article...
July 12, 2025 at 9:41 AM
Parts of the Mediterranean Sea reached 30C this week, much earlier than usual, raising fears for marine life.
For some areas, this is 6 or 7C warmer than usual at this time of year.
Our story with more maps by @markpoynting.bsky.social and me here:
www.bbc.com/news/article...
For some areas, this is 6 or 7C warmer than usual at this time of year.
Our story with more maps by @markpoynting.bsky.social and me here:
www.bbc.com/news/article...
Had an amazing time at #LPS25 this week, where @esaearth.esa.int unveiled the first images from the Biomass satellite.
Read our story with @esmestallard.bsky.social and see the stunning new images for yourself:
Read our story with @esmestallard.bsky.social and see the stunning new images for yourself:
Beneath the canopy: Pioneering satellite reveals rainforests' hidden worlds - BBC News
First groundbreaking images from the Biomass satellite could change our understanding of rainforests
www.bbc.co.uk
June 28, 2025 at 7:39 AM
Had an amazing time at #LPS25 this week, where @esaearth.esa.int unveiled the first images from the Biomass satellite.
Read our story with @esmestallard.bsky.social and see the stunning new images for yourself:
Read our story with @esmestallard.bsky.social and see the stunning new images for yourself:
Excited to be at the Living Planet Symposium #LPS25 next week! I’ll be co-presenting with @janatausch.bsky.social on Thursday afternoon, sharing how we make innovative climate data visualisations in the BBC & FT newsrooms.
Let me know if you’re around and want to grab a coffee and chat!
Let me know if you’re around and want to grab a coffee and chat!
June 20, 2025 at 3:42 PM
Excited to be at the Living Planet Symposium #LPS25 next week! I’ll be co-presenting with @janatausch.bsky.social on Thursday afternoon, sharing how we make innovative climate data visualisations in the BBC & FT newsrooms.
Let me know if you’re around and want to grab a coffee and chat!
Let me know if you’re around and want to grab a coffee and chat!
Reposted by Erwan Rivault
Aujourd’hui dans @lesechosfr.bsky.social, un graphique sur le cours du cacao… réalisé en chocolat !
Une photoviz faite dans la journée, pas d’IA, que du kiff
Une photoviz faite dans la journée, pas d’IA, que du kiff
June 20, 2025 at 6:57 AM
Aujourd’hui dans @lesechosfr.bsky.social, un graphique sur le cours du cacao… réalisé en chocolat !
Une photoviz faite dans la journée, pas d’IA, que du kiff
Une photoviz faite dans la journée, pas d’IA, que du kiff
Reposted by Erwan Rivault
BBC Verify is hiring for an exciting new role: Senior Infographic Designer in the digital live reporting space - to visualise verification, bring satellite data to life and create everything from charts to complex diagrams. Hybrid working, up to £55k apply by 10 Jun careers.bbc.co.uk/job/London-S...
May 28, 2025 at 11:00 PM
BBC Verify is hiring for an exciting new role: Senior Infographic Designer in the digital live reporting space - to visualise verification, bring satellite data to life and create everything from charts to complex diagrams. Hybrid working, up to £55k apply by 10 Jun careers.bbc.co.uk/job/London-S...
Reposted by Erwan Rivault
An intense marine heatwave has developed in the UK and Ireland - with anomalies of 5C found in at least one area.
The impacts probably aren't as severe as it would be in summer, but it's a worrying sign of what is likely to happen more often as climate change continues to warm our oceans.
The impacts probably aren't as severe as it would be in summer, but it's a worrying sign of what is likely to happen more often as climate change continues to warm our oceans.
Marine heatwave: UK sea temperatures soar after exceptionally warm Spring
Sea temperatures in some areas off the UK and Ireland are 4C above average.
www.bbc.co.uk
May 22, 2025 at 10:08 AM
An intense marine heatwave has developed in the UK and Ireland - with anomalies of 5C found in at least one area.
The impacts probably aren't as severe as it would be in summer, but it's a worrying sign of what is likely to happen more often as climate change continues to warm our oceans.
The impacts probably aren't as severe as it would be in summer, but it's a worrying sign of what is likely to happen more often as climate change continues to warm our oceans.
Reposted by Erwan Rivault
🚨 EXCITING NEWS KLAXON 🚨
My first book THE BOROUGHS OF LONDON, based on my London Borough maps series and co-written with the amazing @mattfromlondon.bsky.social, is published by @batsfordbooks.bsky.social in October! 🥳
🛒 UK customers can preorder from: www.batsfordbooks.com/book/the-bor...
1/5 🧵⬇️
My first book THE BOROUGHS OF LONDON, based on my London Borough maps series and co-written with the amazing @mattfromlondon.bsky.social, is published by @batsfordbooks.bsky.social in October! 🥳
🛒 UK customers can preorder from: www.batsfordbooks.com/book/the-bor...
1/5 🧵⬇️
May 16, 2025 at 11:32 AM
🚨 EXCITING NEWS KLAXON 🚨
My first book THE BOROUGHS OF LONDON, based on my London Borough maps series and co-written with the amazing @mattfromlondon.bsky.social, is published by @batsfordbooks.bsky.social in October! 🥳
🛒 UK customers can preorder from: www.batsfordbooks.com/book/the-bor...
1/5 🧵⬇️
My first book THE BOROUGHS OF LONDON, based on my London Borough maps series and co-written with the amazing @mattfromlondon.bsky.social, is published by @batsfordbooks.bsky.social in October! 🥳
🛒 UK customers can preorder from: www.batsfordbooks.com/book/the-bor...
1/5 🧵⬇️
New chart heavy story: As the conclave is about to start, we explored how it became the most global and unpredictable in history, a legacy of Pope Francis
Who are the cardinals choosing the next Pope? - BBC News
Who are the cardinals choosing the next Pope?
www.bbc.co.uk
May 7, 2025 at 3:15 PM
New chart heavy story: As the conclave is about to start, we explored how it became the most global and unpredictable in history, a legacy of Pope Francis