To ramp up decarbonsation efforts ahead of COP26, Scotland is looking to power trains via hydrogen in places where it is hard to electrify them.
Scotland eyes up hydrogen powered trains on their path to decarbonisation
Worry about climate change is shifting travel to local
Survey reveals four in ten Britons are ditching air travel due to concerns about their carbon footprint
Analysis: Electric cars: What’s happened to the ads?
Matt Finch investigates why the money spent on electric car advertising is down.
