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  • The number of smart phone users globally

    全球的智慧型手機使用人數

  • is set to reach 2.5 billion by 2019.

    將在 2019 年達到 25 億

  • Around a third of the world's population will own one.

    世界人口將近三分之一的人都將擁有一支手機

  • Smartphones touch every element of our lives.

    智慧型手機觸及到我們生活的每個元素

  • But did you know that they also connect nearly every

    但你知道,他們也連結了近乎所有

  • element on the planet

    地球上的元素嗎?

  • In fact, of the 118 elements on the periodic table,

    事實上,週期表上的 118 個元素中

  • 75 can be found inside a smartphone.

    有 75 個可以在智慧型手機上找到

  • These raw materials are extracted from the ground

    這些未經加工的元素都是從地面中提取出來

  • and shipped to refineries and factories

    並被運送到精煉工廠

  • in a truly global supply chain.

    這是個真正全球化的供給鏈

  • Silicon.

  • One of the most common elements in the earth's crust,

    地殼中最常見的元素之一

  • is used to make the billions of transistors in the chips

    是被用來做成數十億個晶片中的電晶體

  • that power your phone.

    為你的手機提供動力

  • Gold is used for electrical wiring.

    黃金是用於電線

  • About 0.03 grams of it in each iPhone.

    每支 iphone 中大約 0.03 公克的黃金

  • Indium, another metal, is used to make touch screens.

    另一種金屬「銦」是用來製作觸控螢幕

  • But when it comes to batteries,

    但當我們說到電池時

  • lithium is one of the key components,

    鋰則是其中一個關鍵成分

  • and this element is only mined in a handful of countries.

    而這個元素只在少數幾個國家才有開採

  • Until recently, Chile used to produce the most lithium.

    直到最近,智利一直是生產最多鋰的國家

  • But now Australia has the biggest market share.

    但現在澳洲則有最大的市場佔有率

  • The Democratic Republic of Congo,

    剛果民主共和國

  • a dangerously unstable country

    一個危險又不穩定的國家

  • with a poor human rights record,

    並且有著人權低落紀錄

  • produces more than half the world's cobalt,

    生產世界一半以上的鈷

  • another crucial element in smartphone batteries.

    也是另一個智慧型手機電池的重要元素

  • Smartphone makers are under pressure to ensure their cobalt

    智慧型手機製造商都有壓力要確保他們的鈷

  • is responsibly sourced.

    有好好地被獲取

  • About 80% of the cobalt used in batteries

    大約 80% 用於電池中的鈷

  • is refined in China.

    是在中國精練

  • Many so-called rare-earth elements

    許多所謂稀土金屬

  • are also used in smartphones,

    被用於智慧型手機中

  • in the screen, the speaker,

    螢幕、喇叭

  • and the motor that makes your phone vibrate.

    和讓你的電話震動的馬達

  • About 85% of rare-earth elements are produced in China.

    大約 85% 的稀土金屬在中國生產

  • Despite their name, rare-earth elements

    儘管它的名稱是稀土金屬

  • are not particularly rare,

    但卻不特別稀有

  • but they are hard to extract

    但提煉它們很難不產出

  • without producing toxic and radioactive byproducts.

    毒氣和放射性的副產物

  • Many of the elements used in smartphones

    許多用於智慧型手機的元素

  • are finite resources,

    是有限的資源

  • and have no functional substitutes.

    而並無有用的替代物

  • Rather than digging in the ground for the elements needed

    比起挖掘土讓中所需的元素

  • for new handsets,

    來製作新的手機

  • it makes sense to extract them from old phones.

    從舊的手機中提取它們更合理

  • But only about 10% of handsets are recycled now.

    但現在僅有大約 10% 的手機被回收

  • So recycle your phone if you get a new one this year.

    所以,如果你今年買了一隻新的,把你的手機拿去回收吧!

  • Why? It is, you might say, elementary.

    為什麼?可以這說,這是非常基本的一件事 (諧音: 元素)

The number of smart phone users globally

全球的智慧型手機使用人數

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