In May, France enacted a climate law that bans domestic flights if the journey can be completed in less than 2.5 hours by rail (connecting flights are exempt). If applied globally, similar short-haul policies could make a significant dent in the world’s carbon emissions.
Competing Interests
The author declares no competing interests.
More News
Author Correction: Bitter taste receptor activation by cholesterol and an intracellular tastant – Nature
Audio long read: How does ChatGPT ‘think’? Psychology and neuroscience crack open AI large language models
Ozempic keeps wowing: trial data show benefits for kidney disease