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Climate change: World's hottest day since records began

The world's average temperature reached a new high on Monday 3 July, topping 17 degrees Celsius for the first time.

US researchers said the new record was the highest in any instrumental record dating back to the end of the 19th century. Scientists believe a combination of a natural weather event known as El Ni?o and mankind's ongoing emissions of carbon dioxide are driving the heat.

Last month has also been confirmed as the world's warmest June yet recorded. Scientists at the US National Centers for Environmental Prediction said that the world's average temperature had reached 17.01℃ on 3 July, breaking the previous record of 16.92℃ that had stood since August 2016.

Since the start of this year, researchers have been concerned about rising temperatures on land and at sea. Record spring heat in Spain and many countries in Asia have been followed by marine heatwaves in places that don't normally see them, such as the North Sea.

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