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The summer of 2023 has brought with it a record-breaking heatwave. The planet experienced three consecutive days of scorching heat, shattering previous temperature records. And sounding a warning alarm for the escalating climate crisis.

 As regions across the world endured dangerous heat, Earth reached its highest temperature ever recorded by human-made instruments.

According to data from the U.S. National Centers for Environmental Prediction (NCEP), the average global temperature soared to a staggering 17.18 degrees Celsius (62.92 degrees Fahrenheit) on Tuesday, coinciding with the Fourth of July celebrations in the United States. 

The same record high was tied on Wednesday when temperatures once again reached identical levels.

The previous record was set on Monday with average global temperatures measuring at 16.2 degrees Celsius (61.16 degrees Fahrenheit). However, it took just one day for this temperature to be surpassed, underscoring the rapidity of the Earth's warming trend.

Record-breaking heatwave spurred by El Niño

Scientists attribute the scorching heatwave to a combination of El Niño and the persistent emissions of greenhouse gases that contribute to global warming.

 The prevailing conditions indicate that even hotter temperatures may be in store over the next six weeks. Robert Rohde, a physicist and lead scientist at Berkeley Earth, a non-profit environmental data analysis group detailed the phenomenon. 

While temperature records have only been kept since 1979, it is likely that Tuesday's temperatures represent unprecedented highs even before global temperature monitoring began. 

"Global warming is leading us into an unfamiliar world," Rohde warned, emphasizing the urgent need to address the escalating climate crisis.

The intensity of this heatwave coincides with a prolonged heatwave affecting several regions in the southern United States, where dangerous temperatures have persisted for weeks. In Texas, where the heat has been particularly severe, at least 13 people have tragically succumbed to heat-related illnesses this summer. 

Intense heat domes have formed in other parts of the world, such as China and North Africa, exacerbating the global heat emergency.

This heatwave follows a distressing pattern. June recorded the warmest air and sea surface temperatures ever documented. Climate scientist Brian Brettschneider suggests that the rising temperatures could persist through July and August, fueled by the strengthening El Niño phenomenon.

It is crucial to note that heat is the leading cause of weather-related deaths worldwide. The Centers for Disease Control and Prevention (CDC), with over 600 heat-related fatalities occurring annually in the United States alone.