Late 20th century was warmest in 1,400 years

Earth was cooling until the end of the 19th century and a hundred years later, the planet's surface was on average warmer than at any time in the previous 1,400 years, according to climate records presented on Sunday.

In a study spanning two millennia published in Nature Geoscience, scientists said a "long-term cooling trend" around the world swung into reverse in the late 19th century.

In the 20th century, the average global temperature was 0.4 degrees Celsius (0.7 degrees Fahrenheit) higher than that of the previous 500 years, with only Antarctica bucking the trend.


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