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More than half of the world's 7 billion people live in cities, 54 percent to be specific, or 3.9 billion people.
世界70億人口中超過一半人生活在城市中，具體而言是占總?cè)丝诘?4%，或者說是39億人。
That's according to new figures released by the United Nations on July 10th.
這是7月10號聯(lián)合國公布的最新最新數(shù)據(jù)。
Cities in China, India and Nigeria, the world’s first, second and seventh most populous countries, are expected to grow the most by 2050.
中國，印度和尼日利亞的城市人口，在世界上人口最多國家中分別排名第一，第二和第七。而且預(yù)計將在2050年實(shí)現(xiàn)增長趨勢。
India alone will add more than 400 million people to its cities, or the equivalent of 20 Mumbais, just in the next three decades.
而在未來30年，單單是印度這個城市就將增加4億多人口，相當(dāng)于20個孟買市的人口數(shù)量。
By 2030, New Delhi is likely to have 36 million residents.
到2030年，新德里可能將會有3600萬居民。
How these cities in Asia and elsewhere grow and get built will determine how humanity fares in the 21st century.
這些亞洲城市如何建造和發(fā)展將會決定21世紀(jì)的人類發(fā)展進(jìn)程。
Housing, energy and transportation are all major challenges, whether in sprawling megacities or relatively small towns of a million or so inhabitants.
無論是對于龐大的大城市還是對于擁有100萬居民的相對較小的城市而言，住房，能源和交通都將面臨主要挑戰(zhàn)。
The health and environmental consequences of wasteful infrastructures could be devastating.
而基礎(chǔ)設(shè)施浪費(fèi)所造成的健康和環(huán)境后果將會是毀滅性的。
Cities are now responsible for more than 70 percent of the greenhouse gases causing global warming, which has impacts on everything from growing food to water supplies.
引起全球變暖的70%多溫室氣體是由城市排放的，而且這些溫室氣體將會對從農(nóng)作物生長到水源供應(yīng)等所有環(huán)節(jié)產(chǎn)生影響。
And most at risk from sea level rise are all those folks in coastal cities.
而且最可能引起海平面上升，使那些生活在沿海城市的人們處于危險當(dāng)中。
The future is urban—for better or worse.
不管怎樣，未來都掌握在城市手中。
