In this podcast, Hannah Ritchie and Professor Sir David Spiegelhalter discuss the numbers of the year 2023, including China's low carbon electricity output, renewable energy growth in the UK and rising electricity demand in China, regression to the mean in football, the AI program Chat GPT, and concerns about AI biases and population statistics.
China added a significant amount of low carbon electricity in 2023, but its demand for electricity is growing faster, resulting in continued construction of fossil fuel capacity.
The concept of regression to the mean suggests that luck tends to even out over time, as demonstrated through Cambridge United's football performance where teams often perform better after a coach is sacked.
Deep dives
China's Renewable Energy Expansion
China added 420 terawatt hours of low carbon electricity in 2023, enough to match the electricity generation of the UK or power France. Despite the growth in renewable energy, China's demand for electricity is growing even faster, leading to continued construction of fossil fuel capacity.
Regression to the Mean in Football
The concept of regression to the mean explains that string of good or bad luck tends to even out over time. Professor David Spiegelhalter shares a personal example of Cambridge United's football performance, highlighting how teams tend to perform better after a coach is sacked. Statistical models show that luck accounts for about 40% of the spread of points in Division 1.
Chat GPT and AI Usage
Chat GPT, an AI program developed by OpenAI, has gained popularity with over 100 million users each week since its launch in November 2022. While it is useful for various tasks such as writing, coding, and brainstorming, precautions must be taken. Chat GPT relies on existing data and may generate false information, as seen in a case where a lawyer was fined for using non-existent cases provided by the AI in court.
Each year we ask some of our favourite statistically-minded people for their numbers of the year. Here they are - from the population of India to the results of a first division football match.
Contributors:
Hannah Ritchie, Our World in Data
Professor Sir David Spiegelhalter, Cambridge University
Timandra Harkness, writer and comedian
Rob Eastaway, maths author
Presenter: Charlotte McDonald
Series Producer: Tom Colls
Sound Engineer: Neil Churchill
Editor: Richard Vadon
(Picture: Colourful numbers on blue background
Credit: Tanja Ivanova / Getty Images)
Get the Snipd podcast app
Unlock the knowledge in podcasts with the podcast player of the future.
AI-powered podcast player
Listen to all your favourite podcasts with AI-powered features
Discover highlights
Listen to the best highlights from the podcasts you love and dive into the full episode
Save any moment
Hear something you like? Tap your headphones to save it with AI-generated key takeaways
Share & Export
Send highlights to Twitter, WhatsApp or export them to Notion, Readwise & more
AI-powered podcast player
Listen to all your favourite podcasts with AI-powered features
Discover highlights
Listen to the best highlights from the podcasts you love and dive into the full episode