We don't think about that as often as we think about light pollution.
我们不像思考光污染那样经常思考这个问题。
Let's think beyond light pollution; that's only one kind of a technological advance that has interfered with astronomical research.
让我们想想光污染以外的问题，那只是一种科技进步为天文研究带来的不便。
At night scan the horizon for artificial light sources such as fires and streetlights, then walk toward the glow of light pollution.
晚上，扫视地平线，寻找像火和街灯的人工光源，然后朝发光的光污染方向走。
Light pollution is largely the result of bad lighting design, which allows artificial light to shine outward and upward into the sky.
光污染在很大程度是因为照明设计得不好，人造光可以向外和向上照射到天空。
At night, scan the horizon for artificial light sources, such as fires and streetlights, then walk toward the glow of light pollution.
夜间，仔细眺望地平线，寻找诸如火和路灯之类的人造光源，然后朝光污染造成的光亮走。
Nowadays scientists are finding light pollution can be almost as bad as carbon dioxide pollution.
如今科学家们发现光污染几乎和二氧化碳污染一样有害。
This is called light pollution.
这就是光污染。
These scientists are studying the effects of light pollution.
这些科学家正在研究光污染的影响。
Other scientists are finding ways to stop light pollution and make our lives better.
其他科学家正在寻找阻止光污染的方法，让我们的生活更美好。
Light pollution exists on every continent except Antarctica.
除南极洲外，各大洲均存在光污染。
THE term "light pollution" is not, it seems, a metaphor.
“光污染”似乎并不仅仅是一种比喻的说法。
Light pollution, or "sky glow", is the glow you can see at night above cities and towns.
光污染，也称“人工白昼”，在夜晚的城镇上空均可见到这种发光现象。
Light pollution impacts astronomical research and can even affect human health.
光污染不仅影响天文学研究，甚至还会影响人类健康。
During the next two weeks, you can help build a map of global light pollution, assisting scientists and astronomers as they monitor the loss of virgin night skies.
在接下来的两周内，您能帮助科学家及宇航员们建立起一张全球光污染地图，因为他们发现夜空不再那么的清澈透明。
Light pollution has obscured our view of constellations, meteor showers, and even the planets.
光污染使星座、流星雨甚至行星都变得模糊不清，遮蔽了我们的视线。
There's no light pollution there so I had to set up my equipment using a torch.
因为这里没有光污染，所以我必须举着手电筒搭好我的拍摄装备。
Photographers showed either the beauty of the night sky or the immensity of light pollution from cities.
摄影师们既展示了夜空的美，也揭露现今城市严重的光污染现象。
These are merely a few of the possible negative effects light pollution has on our world.
这些仅仅是光污染可能给我们的世界所带来的几种负面影响。
Light pollution is made worse with air pollution, as the small particles that float in the air serve to scatter and reflect the light, compounding the problem.
而空气污染又使光污染问题愈发严重，因为漂浮在空气中的小颗粒通过散射和反射光线，加剧了这一问题。
For accommodation, find a secluded place with limited light pollution, such as Cape Otway Cottages.
关于住宿，找一个与世隔绝的没有光污染的小地方，比如奥特威角别墅。
This ingenious triple threat of an idea could simultaneously reduce carbon emissions, cut electricity costs and reduce light pollution, without sacrificing the safety that streetlights bring.
这简直是一个一举三得的天才创意，既能同时减少碳排放，又能减少电力消耗，还能减少光污染，而不用牺牲路灯带来的安全感。
The damage caused by light pollution comes from poorly designed outdoor lighting.
光污染造成的破坏，来自户外照明的设计不当。
Like other fixtures designed to reduce light pollution, the Barcelona street lamps aim their light downward.
和其他的减少光污染的设备一样，巴塞罗那的路灯将尽力他们的光线投向下方。
You may think that light pollution isn't something extraordinarily important.
或许你觉得光污染不是什么了不得的大事。
It may not be polluting our lakes, our air or the Earth's living creatures, but light pollution is serious, and it needs to be addressed by everyone.
或许此刻它并没有污染湖泊、空气或者地球上的生物，但是光污染之严重，需要大家协力解决。
You may believe that every other type of pollution has a larger impact on the environment than light pollution does.
或许你认为其他任何一种污染对环境造成的影响都要比光污染严重。
The solution to light pollution is to use lower-wattage outdoor bulbs and full cutoff shielding.
解决光污染的方法就是使用低瓦数的户外灯泡与完全阻隔溢光的遮罩。
Urban light pollution means that one-fifth of the world's population can no longer see the Milky Way with the naked eye.
都市的光污染意味着，世界上五分之一的人们仅凭借裸眼将看不到银河。
This decade will see cities replace street lighting with LEDs that last longer (by years) and can intelligently dim themselves when there is no traffic, reducing energy use and light pollution.
在下一个十年，我们将看到各大城市改用LED进行道路照明，其持续时间更长（多出数年），而且在没有车辆和行人时能智能地降低亮度，从而降低能源消耗、减少光污染。
This decade will see cities replace street lighting with LEDs that last longer (by years) and can intelligently dim themselves when there is no traffic, reducing energy use and light pollution.
在下一个十年，我们将看到各大城市改用LED进行道路照明，其持续时间更长（多出数年），而且在没有车辆和行人时能智能地降低亮度，从而降低能源消耗、减少光污染。
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