Nina is reading a book which describes 37 endangered natural and cultural treasures in the world.
妮娜正在读一本书，这本书描述了世界上37处濒危的自然和文化遗产。
The writers want the book to be a hopeful call to action.
作者希望这本书能成为一次充满希望的行动号召。
Let's visit some of these places.
让我们来看看其中的一些地方。
Venice
威尼斯
The ancient city of Venice, Italy has long been threatened by rising sea levels.
意大利的古城威尼斯长期以来一直受到海平面上升的威胁。
The situation is made worse by the fact that its ancient buildings, built on a body of water, are slowly sinking.
更糟糕的是，这座城市建在水面上的古老建筑正在慢慢下沉。
When the city was founded about 1600 years ago, the level of the Adriatic Sea was almost 2 metres lower than it is today.
大约1600年前这座城市建立时，亚得里亚海的海平面比现在低将近2米。
Mount Kilimanjaro
乞力马扎罗山
Mount Kilimanjaro in northeastern Tanzania is the highest point in Africa, measuring almost 6,000 metres.
位于坦桑尼亚东北部的乞力马扎罗山是非洲最高峰，海拔接近6000米。
The mountain supports 5 plant areas and many kinds of animals.
这座山孕育着5个植物带和多种动物。
The ice glaciers on the mountain are disappearing very quickly.
山上的冰川正在迅速消失。
This will have a bad effect on the mountain's ecosystems and on Tanzania's travel industry.
这将对山区的生态系统以及坦桑尼亚的旅游业产生不良影响。
Also, a valuable record of thousands of years’ weather history will also be lost if the ice melts.
此外，如果冰川融化，记录了数千年天气历史的宝贵资料也将随之消失。
Glacier National Park
冰川国家公园
In the United States, the icy blocks in Glacier National Park may soon completely disappear because of weather changes.
在美国，冰川国家公园里的冰体可能会因为气候变化而很快完全消失。
In 1850, there were about 150 glaciers.
1850年时，这里大约有150条冰川。
There are 26 glaciers remaining today.
如今只剩下26条冰川。
Scientists estimate that the glaciers will be gone by 2030.
科学家估计，到2030年这些冰川将全部消失。
Warm temperatures are also threatening many kinds of plants and animals that live in this mountain ecosystem.
气温升高也正在威胁着生活在这一山地生态系统中的多种动植物。
Great Barrier Reef
大堡礁
The Great Barrier Reef in Australia is the largest coral reef system in the world.
澳大利亚的大堡礁是世界上最大的珊瑚礁系统。
Rising sea temperatures are greatly harming the reef.
海水温度的上升正在严重破坏这片珊瑚礁。
In some areas, healthy yellow, brown and green reefs have become white.
在一些地区，原本健康的黄色、棕色和绿色珊瑚礁已经变成了白色。
The coral whitens when it is in warmer temperatures.
珊瑚在水温较高时会发生白化。
Sick or dying coral affects the whole ecosystem of this special underwater area.
生病或濒死的珊瑚会影响这一特殊海底区域的整个生态系统。
Water pollution and visits by careless swimmers and divers also threaten the reef.
水污染以及粗心的游泳者和潜水者的活动也对珊瑚礁构成威胁。
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Nina is reading a book which describes 37 endangered natural and cultural treasures in the world. The writers want the book to be a hopeful call to action, Let's visit some of these places.
Venice
The ancient city of Venice, ltaly has long been thrcatened by rising sea levels. The situation is made worse by the fact that its ancient buildings, built on a body of water, are slowly sinking. When the city was founded about 1600 years ago, the level of the Adriatic Sea was almost 2 metres lower than it is today.
Mount Kilimanjaro
Mount Kilimanjaro in northeastern Tanzania, is the highest point in Africa, measuring almost 6,000 metres. The mountain supports 5 plant areas and many kinds of animals. The ice glaciers on the mountain are disappearing very quickly. This will have a bad effect on the mountain's ecosystems(生态系统) and on Tanzania's travel industry. Also, a valuable record of thousands of years’ weather history will also be lost if the ice melts.
Glacier National Park
In the United States, the icy blocks in Glacier National Park may soon completely disappear because of weather changes. In 1850, there were about 150 glaciers(冰川).There are 26 glaciers remaining today. Scientists estimate that the glaciers will be gone by 2030. Warm temperatures are also threatening many kinds of plants and animals that live in this mountain ecosystem.
Great Barrier Reef
The Great Barrier Reef in Australia is the largest coral reef(珊瑚礁) system in the world, Rising sea temperatures are greatly harming the reef. In some areas, healthy yellow, brown and green reefs have become white. The coral whitens when it is in warmer temperatures, Sick or dying coral affects the whole ecosystem of this special underwater area. Water pollution and visits by careless swimmers and divers also threaten the reef.