Sunday, July 21 was the hottest day ever measured on Earth

The transcript discusses a record-breaking heat event, with Earth experiencing its hottest day ever as per Copernicus climate data. The global temperature reached nearly 63°F, surpassing the previous record set in July of the previous year. Additionally, scientists have found that the past 12 months have been the hottest on record, highlighting ongoing climate change trends.

What was the significance of Sunday in relation to Earth's temperature?

Which organization provided the climate tracking data mentioned?