Earth's average temperature set a new unofficial record high on Friday, the third such milestone in a week that already rated as the hottest on record.
The planetary average hit 17.23 degrees Celsius, surpassing the 17.18-degree marks set Wednesday and equalled Tuesday, according to data from the University of Maine's Climate Reanalyzer, a tool that uses satellite data and computer simulations to measure the world's condition.
That average includes places that are sweltering under dangerous heat - like Jingxing, China, which checked in 43.3 degrees Celsius - and the merely unusually warm, like Antarctica, where temperatures across much of the continent were as much as 4.5 degrees Celsius above normal this week.
New Zealand and US scientists are uncovering how climate change is impacting one of the driest and coldest places on the planet. (Source: 1News)
The National Oceanic and Atmospheric Administration on Friday issued a note of caution about the Maine tool's findings, saying it could not confirm data that results in part from computer modelling.
"Although NOAA cannot validate the methodology or conclusion of the University of Maine analysis, we recognize that we are in a warm period due to climate change," NOAA said.
Still, the Maine data has been widely regarded as another troubling sign of climate change around the globe. Some climate scientists said this week they weren't surprised to see the unofficial records.
The professor says lack of progress on emissions reductions is hugely frustrating. (Source: 1News)
Robert Watson, a scientist and former chairman of the UN's Intergovernmental Panel on Climate Change, said governments and the private sector "are not truly committed to address climate change." Nor are citizens, he said.
"They demand cheap energy, cheap food and do not want to pay the true cost of food and energy," Watson said.
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