評(píng)論
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As the freshwater of Greenland's ice sheet gradually seeps into the salt water of the oceans, low-lying lands around the globe are threatened.
當(dāng)格陵蘭的冰原淡水慢慢滲入海洋的咸水。地球各處低洼地區(qū)將受到威脅。
Sea levels are rising.
海平面正在上升。
Water expanding as it gets warmer caused,in the 20th century alone, a rise of 20 centimeters.
單是上世紀(jì)因海水暖化膨脹,海水升高了二十毫米。
Everything becomes unstable.
一切變得不穩(wěn)定。
Coral reefs, for example, are extremely sensitive to the slightest change in water temperature.
例如 珊瑚礁對(duì)海水溫度的,輕微變化非常敏感。
Thirty percent have disappeared.
三成已消失。
They are an essential link in the chain of species.
它們是生物鏈中重要一環(huán)。
In the atmosphere, the major wind streams are changing direction.
在大氣層主要的季風(fēng)已改變方向。
Rain cycles are altered.
雨水循環(huán)被改變。
The geography of climates is modified.
氣候地理也被更改。
The inhabitants of low-lying islands here in the Maldives,for example, are on the front line.
住在像馬爾代夫這樣的低洼島嶼的居民處于最前沿。
They are increasingly concerned.
他們?cè)絹?lái)越感到憂慮。
Some are already looking for new, more hospitable lands.
有些開(kāi)始尋找新的 更適宜居住的土地。
If sea levels continue to rise faster and faster,what will major cities like Tokyo,the world's most populous city, do?
如果海水上升越來(lái)越快,像東京這樣人口最多的大城市會(huì)怎樣做？
Every year, scientists' predictions become more and more alarming.
每一年 科學(xué)家的預(yù)測(cè)越來(lái)越令人擔(dān)憂。
Seventy percent of the world's population lives on coastal plains.
全球70%的人口住在沿海平原。
Eleven of the 15 biggest cities stand on a coastline or river estuary.
十五個(gè)最大城市有十一個(gè)位于海岸線或河口。
As the seas rise, salt will invade the water table, depriving inhabitants of drinking water.
如果海水上升咸水會(huì)侵入地下水令居民失去飲用水。
Migratory phenomena are inevitable.
人口遷徙已無(wú)可避免。
The only uncertainty concerns their scale.
唯一不能肯定的只是其規(guī)模。
In Africa, Mount Kilimanjaro is unrecognizable.
在非洲 乞力馬扎羅山已面目全非。
Eighty percent of its glaciers have disappeared.
它的80%冰川已經(jīng)消失。
In summer, the rivers no longer flow.
在夏天 江河已斷流。
Local peoples are affected by the lack of water.
當(dāng)?shù)厝耸苋彼绊憽?/div>
Even on the world's highest peaks, in the heart of the Himalayas,eternal snows and glaciers are receding.
即使在喜馬拉雅山的世界最高峰終年積雪和冰川也在減少。
Yet these glaciers play an essential role in the water cycle.
這些冰川在水循環(huán)中扮演重要角色。
