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By the end of the century, summer weather could last half a year (and that’s not a good thing)

By the end of the century, summer weather could last half a year (and that's not a good thing)

(CNN)Summer weather could grow to half a year in length by the end of this century if no mitigation efforts are done on climate change, according to a new study. In about the past 60 years, summer has increased by 17 days on average across the globe.

"Summers are getting longer and hotter while winters shorter and warmer due to global warming," said Yuping Guan, lead author of the study.

Sure, longer summers may sound great for a family vacation or enjoying the outdoors, but this extended season could significantly impact our health, the environment and agriculture.

Heat waves could grow longer, mosquito-borne illnesses could become more widespread, allergy season from pollen could turn more severe and the growing season of crops will be longer.

Summers growing longer

The study reveals that warming temperatures globally are making the hottest quarter of the year, known as summer, longer, and this is also affecting when all the seasons start.

"The onsets of spring and summer are advanced, while the onsets of autumn and winter are delayed," the study says.

The study splits the four seasons into four percentiles, with any temperature above the 75th percentile of the 1952-2011 temperature average being recognized as summer. Climate computer models are then operated to reveal how these defined seasons change over time.

"Over the period of 1952-2011, the length of summer increased from 78 to 95 days and that of spring, autumn and winter decreased from 124 to 115, 87 to 82 and 76 to 73 days, respectively," the study states.

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