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VOA慢速英语--联合国警告气温上升接近巴黎协定限制

时间:2021-06-06 23:03:43

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The United Nations says there is a 40 percent chance that world temperatures in the next five years will temporarily rise above climate change goals set in the 2015 Paris Agreement.

The prediction comes from a new report produced by the U.N.'s World Meteorological Organization (WMO). The estimate does not mean the world would already be crossing the Paris Agreement's long-term warming limit of 1.5 degrees Celsius1 above pre-industrial levels. That is because the U.N. target looks at temperatures over a 30-year average, not a single year.

The WMO's Secretary-General, Petteri Taalas, said the latest prediction demonstrates that "we are getting measurably and inexorably closer" to the Paris temperature limit. He described the study as "yet another wakeup call" to seek major cuts in human caused greenhouse gases.

The 2015 Paris Agreement sets a goal of keeping temperatures to a few tenths of a degree warmer from now. The world is already 1.2 degrees Celsius warmer than pre-industrial times.

The new report predicts that nearly all areas of the world are likely to be warmer in the next five years than in the recent past.

The WMO also estimated there was a 90 percent chance the world will set another record for the hottest year by the end of 2025. And, the organization predicts the Atlantic ocean will continue to produce more powerful hurricanes than it used to.

For this year, WMO experts say large parts of land in the Northern Hemisphere2 will be 0.8 degrees Celsius warmer than in recent decades. A drought in the U.S. Southwest is also expected to continue.

Last year, the WMO predicted a 20 percent chance that world temperatures would temporarily rise above the Paris targets.

The doubled prediction this year is related to improvements in technology that suggest the world has "actually warmed more than we thought already," said Leon Hermanson. He is a climate scientist at Britain's Met Center who helped set the WMO's predictions.

"It's a warning that we need to take strong action," Hermanson told The Associated Press.

Pennsylvania State University climate scientist Michael Mann, who was not part of the report, said he is "almost certain" the world will top the Paris warming limit at least once in the next few years.

But, he said one or two years above 1.5 degrees Celsius is not as concerning as when the overall direction of temperatures stays above that level. Mann said that probably will not happen for decades and could still be prevented.

Words in This Story

inexorable – adj. continuing without any possibility of being stopped

greenhouse gases – n. heat-trapping gases that warm the Earth's atmosphere

decade – n. a period of ten years

certain – adj. completely sure of something


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1 Celsius AXRzl     
adj.摄氏温度计的,摄氏的
参考例句:
  • The temperature tonight will fall to seven degrees Celsius.今晚气温将下降到七摄氏度。
  • The maximum temperature in July may be 36 degrees Celsius.七月份最高温度可能达到36摄氏度。
2 hemisphere xy4yd     
n.半球,半球地图
参考例句:
  • This animal is to be found only in the Southern Hemisphere.这种动物只有在南半球才能找到。
  • In most people,the left hemisphere is bigger than the right.多数人的左脑比右脑大。

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