New Scientist's warming map (Credit: New Scientist)
The real benefit of the tool is that visitors can specify their location and see how temperatures in their area have heated up over time. This can be set by typing the city and country into a search bar or by dragging around a locational pin.
Around 6,000 monitoring stations in the Global Historical Climatology Network lent data to the tool, as well as research stations in Antarctica. Ocean temperature measurements before the existence of satellites were made on ships.