Mapping the hottest temperatures arund the world. To ensure accurate readings, weather stations use specialist platinum resistance thermometers placed in shaded instruments known as a Stevenson screen at a height of 1.25-2 metres (4-6 feet) above the ground. Earth’s global average surface temperature in 2020 tied with 2016 as the warmest year on record. Collectively, the past eight years have been the warmest since modern record-keeping began in the 1880s, according to NASA. Read more...
