The warning keeps coming. The earth is in grave danger and mankind must do what is in its power to save a place it has called home for over 200,000 years.

A new scientific report on impact of climate change has shown that more than a quarter of Earth's land surface will become "significantly" drier even if humanity manages to limit global warming to two degrees Celsius.

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Two degrees Celcius is the goal espoused in the Paris Agreement but the scientists warned on Monday in a study published in Nature Climate Change that even “if we (humanity) contain average warming to 1.5 Celcius (2.7 degrees Fahrenheit), this will be limited to about a tenth -- sparing two-thirds of the land projected to parch (dry up) under two degrees Celcius”.

The team found that at two degrees Celcius, which could arrive any time between 2052 and 2070, between 24% and 32% of the total land surface will become drier.

At 1.5o Celcius, parts of southern Europe, southern Africa, central America, coastal Australia and Southeast Asia -- areas home to more than a fifth of humanity -- "would avoid significant aridification (increased drying up)" predicted under 2 C, said study co-author, Su-Jong Jeong, of the Southern University of Science and Technology in Shenzhen, China.

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"Accomplishing 1.5o C would be a meaningful action for reducing the likelihood of aridification and related impacts," he told AFP.

Jeong and a team used projections from several climate models, under different warming scenarios, to predict land drying patterns.

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