Credit: Professor Ed Hawkins (University of Reading), https://showyourstripes.info/
These iconic stripes were created by Professor Ed Hawkins to help show how the Earth’s temperature is changing over time.
He hoped it would be a conversation starter.
If you ran, or cheered at, the London Marathon this past weekend, you might have noticed the graphic along the course.
For more background, watch this one minute explainer from the BBC and then start a conversation.