Sitemap - 2025 - Sustainability by numbers
Artificial intelligence could dramatically improve weather forecasting
How unprecedented is power demand growth in the United States?
Eliminating contrails from flying could be incredibly cheap
The world is on track for record harvests this year
My new book — Clearing the Air — is published in the UK today
The Electrotech Revolution: Some insights into a new way of thinking about the transition
Which countries are scaling solar and wind the fastest?
What's the carbon footprint of using ChatGPT or Gemini? [August 2025 update]
How much do electric car batteries degrade?
No, growing more food does not mean we always need more and more inputs
Population growth or decline will have little impact on climate change
My new book — Clearing the Air — is coming out in September!
How does geothermal energy work, and why don’t we use it more?
How big is the generational divide on climate change?
Under-the-hood of writing on Substack
Eating wild animals might be sustainable for the few, but not for the many
Why are solar panels and batteries from China so cheap?
What's the carbon footprint of using ChatGPT?
Do imports of cheap solar panel and other technologies help or hurt domestic jobs in clean energy?
Many second-hand electric cars are cheaper up-front than their petrol equivalents
Could whales be a solution to climate change? Probably only a very small one.
Some key insights from the UK Climate Change Committee’s Seventh Carbon Budget
How big were wildfires in 2024?
Solving for Climate: the podcast is back
Do US states with more renewable energy have more expensive electricity?
State-by-state electricity mixes and prices in the United States