Today's battery breakthroughs come as the world looks to expand modern energy access to the billion or so people without it, while also cutting back on fuels that warm the planet.
世界各国希望扩大现代能源的使用范围，让大约10亿无法获得现代能源的人用上它们，同时减少导致地球变暖的燃料，而如今的电池突破就是在这时出现的。
To serve as responsible stewards of the planet, we must press forward on deeper atmospheric and oceanic research.
为了成为地球上有责任心的一员，我们必须推进对大气和海洋更深入的研究。
Experts agree that the next few decades will present a puzzle: how to feed nine billion people without wrecking the planet in the process.
专家们一致认为在未来几十年内将出现一个难题：如何在不破坏地球的情况下养活90亿人口。
June 2004 saw the first passage, known as a "transit", of the planet Venus across the face of the Sun in 122 years.
2004年6月，金星的投影穿越太阳表面，这是122年一遇的天象，被称为“凌日”。
Like humans, killer whales have colonized a range of different habitats across the globe, occupying every ocean basin on the planet, with an empire that extends from pole to pole.
像人类一样，虎鲸也在全球范围内开拓了一系列不同的栖息地，占据了地球上的每一个海洋流域，拥有一个从一极延伸到另一极的帝国。
World looks to expand modern energy access to the billion or so people without it, while also cutting back on fuels that warm the planet.
世界希望将现代能源的使用范围扩大到十亿左右没有能源的人，同时也要减少使地球变暖的燃料。
Fortunately for the planet, social science and behavioural economics may be able to do that for us.
对地球来说幸运的是，社会科学和行为经济学或许可以为我们做到这一点。
The most complex engineering project ever attempted has created an enormous set of interlinked modules that orbits the planet at more than 27,000 kilometres per hour.
有史以来最为复杂的工程项目创造了一组巨大的相互连接的模块，其以每小时27000公里的速度绕地球运行。
Scientists say the Arctic is warming twice as fast as the rest of the planet.
科学家称北极变暖的速度是地球其他地区的两倍。
Maybe the story is telling us if we don't look after the planet, a day will come when flowers can only grow on the moon.
也许这个故事告诉我们，如果我们不爱护这个星球，总有一天，花就只能在月球上生长。
The world's food system is responsible for about one quarter of the planet-warming greenhouse gases that humans produce each year.
人类每年产生的温室气体中，约有四分之一是由世界的食物系统产生的。
Rainforests are the lungs of the planet storing vast quantities of carbon dioxide and producing a significant amount of the world's oxygen.
雨林是地球之肺，储存了大量的二氧化碳，并为世界生产了大量的氧气。
Trees are some of the longest-lived organisms on the planet.
树木是地球上寿命最长的生物之一。
It's a tough job taking care of the planet, but somebody has to do it.
长期的照料和爱护地球是一件很难办的事，但还是有人为之努力。
And if the planet happens to be saved on the way, that is all to the good.
如果在此过程中碰巧拯救了地球，那是再好不过了。
There are as many ways to live a life as there are people on the planet.
世界上有多少人，就有多少种生活的方式。
They're far more biologically diverse than the cooler parts of the planet.
那里千姿百态、各种各样的生物远比地球上其他温度较低地区的物种要多得多。
The appearance of flowering plants brought a new flamboyance to the planet.
开花植物的出现给地球带来了绚丽的景色。
But we shouldn't scrap plans to explore the planet and its solar system just yet.
但我们也不用因此就放弃探索这个行星和其恒星系的计划。
Damascus, in fact, is one of the oldest continually inhabited cities on the planet.
大马士革，事实上是我们这个星球上人类持续居住的最为古老的城市之一。
Its population of 19 million makes it one of the largest metropolises on the planet.
超过1900万的人口已经使其成为这个星球上最大的大都市之一。
The largest billboard on the planet is made from biodegradable and recycled materials.
地球上最大的布告板是由可生物降解的回收材料制成的。
A never-before-seen "supersized" ring around the planet Saturn has been discovered.
一道罕见的“超大型”光环在土星周围被发现。
Learn to let it go. Worry is the most fruitless expenditure of energy on the planet.
学着放下焦虑，焦虑是世界上最没有用的了。
Sometimes we get so caught up in our lives that we forget to go out and enjoy the planet.
有时候我们被生活绑住了，忘了走出来享受这个星球。
That alone would make this track, built in 1920, among the most challenging on the planet.
仅仅这点就让这条建于1920年的赛道，获得地球上最具挑战性的赛道的称号。
We have an opera going on there, 24 hours a day, right off the greatest city in the planet.
就在这个天下最棒的城市旁边，一天到晚24小时不停，都可以听到它们唱大戏！
When it comes to climate change, either both sides win or both sides — and the planet — lose.
当气候变化成为问题，其结果会是双赢，或者双输——输掉整个地球。
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