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世界氣象組織:全球變暖或?qū)⒃谖磥砦迥陜?nèi)超過1.5度臨界點 World on track to breach a critical warming threshold in the next five years

中國日報網(wǎng) 2023-05-19 09:00

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世界氣象組織的年度報告稱,在溫室污染和厄爾尼諾現(xiàn)象的共同作用下,地球可能在未來五年內(nèi)首次突破較工業(yè)化前水平升高1.5攝氏度的臨界點。

 

Photo/Pexels

 

The world is now likely to breach a key climate threshold for the first time within the next five years, according to the World Meteorological Organization, due to a combination of heat-trapping pollution and a looming El Ni?o.

世界氣象組織稱,在溫室污染和即將發(fā)生的厄爾尼諾現(xiàn)象的共同作用下,地球可能在未來五年內(nèi)首次突破一個關(guān)鍵的氣候臨界點。

 

Global temperatures have soared in recent years as the world continues to burn planet-warming fossil fuels like coal, oil and gas. And that trend shows no sign of slowing. In its annual climate update, the WMO said that between 2023 and 2027, there is now a 66% chance that the planet’s temperature will climb above 1.5 degrees Celsius of warming above pre-industrial levels for at least one year.

由于世界繼續(xù)燃燒煤炭、石油和天然氣等化石燃料,全球氣溫在近年來大幅上升。而且這一趨勢沒有變緩的跡象。世界氣象組織在其最新的年度氣候報告中指出,2023年至2027年間至少有一年有66%的幾率全球氣溫會比工業(yè)化前水平升高1.5攝氏度。

 

As temperatures surge, there is also a 98% likelihood that at least one of the next five years – and the five-year period as a whole – will be the warmest on record for the planet, the WMO reported.

世界氣象組織報告稱,隨著氣溫上升,未來五年中至少有一年有98%的幾率會成為地球史上最熱的年份,未來五年也會成為有史以來最熱的五年。

 

Breaching the 1.5-degree threshold may only be temporary, the WMO said, but it would be the clearest signal yet of how quickly climate change is accelerating – hastening sea level rise, more extreme weather and the demise of vital ecosystems.

世界氣象組織稱,打破1.5度臨界點可能只是暫時的,但這是氣候變化加速最明確的信號,氣候變化會加速海平面上升,導(dǎo)致更多極端天氣和重要生態(tài)系統(tǒng)的瓦解。

 

Countries pledged in the Paris Climate Agreement to limit global warming to well below 2 degrees – and preferably to 1.5 degrees – compared to pre-industrial temperatures. Scientists consider 1.5 degrees of warming as a key tipping point, beyond which the chances of extreme flooding, drought, wildfires and food shortages could increase dramatically.

世界各國曾在《巴黎協(xié)定》中承諾,將全球變暖限制在比工業(yè)化前水平升高2攝氏度以內(nèi),最好是限制在1.5攝氏度以內(nèi)。科學(xué)家認(rèn)為1.5度是一個關(guān)鍵臨界點,超過1.5度后特大洪災(zāi)、干旱、森林火災(zāi)和食物短缺的發(fā)生幾率都會大增。

 

The temperature increases are fueled by the rise of planet-heating pollution from burning fossil fuels, as well as the predicted arrival of El Ni?o, a natural climate phenomenon with a global heating effect.

全球氣溫上升源于燃燒化石燃料導(dǎo)致的溫室污染以及預(yù)計會出現(xiàn)的厄爾尼諾現(xiàn)象,這種自然氣候現(xiàn)象會導(dǎo)致全球變暖。

 

The current hottest year on record is 2016, which followed a very strong El Ni?o event. El Ni?o tends to ramp up the temperatures the year after it develops, which could put 2024 on track to be the hottest year on record.

當(dāng)前史上最熱年份是2016年,就是伴隨強厄爾尼諾現(xiàn)象而來的。厄爾尼諾現(xiàn)象會推高來年的氣溫,這可能會使2024年成為有史以來最熱的年份。

 

Scientists have long warned that the world needs to stay within 1.5 degrees of warming to avoid catastrophic and potentially irreversible changes.

長久以來科學(xué)家一直警告稱,全球變暖必須控制在1.5度以內(nèi),以避免災(zāi)難性和潛在不可逆轉(zhuǎn)的變化。

 

Warming above this point increases the risk of triggering major tipping points, including the death of coral reefs and the melting of polar ice sheets, which will add to sea level rise, devastating coastal communities.

全球變暖超過1.5度會增加多個重要臨界點被觸發(fā)的風(fēng)險,包括珊瑚礁死亡和極地冰原融化,這會令海平面升高,給海岸居民帶來毀滅性后果。

 

In the US alone, 13 million people could be forced to relocate because of sea level rise by the end of the century. For many low-lying Pacific Island nations, warming over 1.5 degrees is a threat to their survival.

僅是在美國,就有1300萬人口可能會因為本世紀(jì)末前海平面上升而被迫搬遷。對許多地勢低的太平洋島國的居民而言,全球變暖超過1.5度將威脅到他們的生存。

 

Temperature rises also increase the frequency and intensity of extreme weather events including droughts, storms, wildfires and heatwaves.

氣溫升高還會增加包括干旱、暴風(fēng)雨、森林火災(zāi)和熱浪在內(nèi)的極端天氣的頻率和強度。

 

英文來源:美國有線電視新聞網(wǎng)

翻譯&編輯:丹妮

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