An increase of just 2°C in global temperatures could make the world considerably drier and more desert-like, new research has warned.

最新研究提醒称，全球气温升高2摄氏度，就会显著增加干旱程度，使地球荒漠化程度加剧。

More than a quarter of the world's land surface, home to more than 1.5 billion people, would become more arid and droughts and wildfires could be widespread.

届时，超过四分之一的陆地表面（15亿多人口的家园）将会更加干旱荒芜，野火肆虐。

Limiting global warming to 1.5°C (2.7°F) would dramatically reduce the percentage of the Earth's surface affected, scientists found.

科学家发现，将全球气候变暖升温控制在1.5摄氏度以内将显著降低地球表面受影响的比例。

Aridity is a measure of the dryness of the land surface, obtained from combining precipitation and evaporation.

干燥度是衡量地表干燥程度的一项指标，通过综合衡量降水量和蒸发量得出。

'Aridification would emerge over 20 to 30 percent of the world's land surface by the time the global temperature change reaches 2ºC ', said Dr Manoj Joshi from the University of East Anglia's School of Environmental Sciences and one of the study's co-authors.

研究报告合著者、东安格利亚大学环境科学学院的马努基-乔西博士说：“如果地球升温2摄氏度，20%到30%的地表会干旱化。”

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