Researchers are using scientific equipment in tree canopies to help measure air temperature and humidity levels.

研究人员在树冠上安装了科学仪器来测量空气温度和湿度水平。

So moving forward L.A. could be very water efficient and maintain a very extensive tree canopy, which I think is good news.

因此长远来看，洛杉矶可能发展成水资源利用率很高、树木覆盖率极广的城市，我认为这是一个好消息。”

What you can see from here, perhaps, is that they are pretty well obscured up in the tree canopy at a distance.

从这个角度可能看得到， 其实它们被遮挡得很好，就在距离很远的树冠上。

Los Angeles has a terribly unequal tree canopy.

洛杉矶的树冠极不均匀。

And by tree canopy, I just mean coverage.

我所说的树冠只是指覆盖范围。

These elusive butterflies spend almost all their time in the tree canopy, far from the eyes of entomologists and the nets of collectors.

这些稀有蝴蝶几乎总是在树冠上面远离昆虫学家的目光和收集者的网。

The same system says " woods" are classified as having only 25 to 60 percent of the land covered by the tree canopy.

这个系统也说，“树林”被归类为只有25%到60%的土地被树冠覆盖。

They're typically also trees along the sidewalks making for a nice tree canopy.

它们通常也是人行道旁的树木，形成漂亮的树冠。

We can talk about shade in terms of tree canopy, which is a very serious problem.

我们可以从树冠的角度来谈论遮荫，这是一个非常严重的问题。

New research lays out how quick decisions allow squirrels to traverse tree canopies and perfect their landings.

新的研究阐明了快速决策如何让松鼠穿过树冠并完善它们的着陆点。

It used drones to look at tree canopies and vegetation, and noted the colour of the ground – green for grass and grey for paving.

它使用无人机观察树冠和植被，并注意到地面的颜色——绿色的是草，灰色的是铺路石。

Streets like this one with its tree canopy and narrow lanes were actually outlawed when The Forgiving Design Movement took hold.

当“宽容设计运动”兴起时，像这样拥有树冠和狭窄小巷的街道实际上被取缔了。

Sensors installed in tree canopies, examinations of seedlings, data from individual trees and images collected by observational planes will help scientists measure the seriousness of the danger.

人们在红杉的华盖上安装了传感器，并对幼苗进行检测，观测飞机将收集每棵红杉的数据和图像，而这些也将帮助科学家判定情况的严重性。

They walked on for what seemed a long time, until they were once again so deep into the Forest that the dense tree canopy blocked out all light.

他们好像又走了很长一段时间，直到他们来到禁林深处，浓密的树冠遮住了所有的光线。

And with development, trees get taken down and little ones get put up, and so we're constantly in a battle of trying to maintain the tree canopy.

随着发展，树木会被砍倒，小树会长出来，所以我们一直在努力维护树冠。

And another way that Los Angeles tried to stay cool was through rich, beautiful, kind of flamboyant, not just tree canopy, but a syncretic, overwhelming variety of exotic flora and fauna.

洛杉矶试图保持凉爽的另一种方式是通过丰富、美丽、华丽的方式，不仅仅是树冠，还有融合在一起、压倒性的各种异国动植物群。

He held his head high as if he felt like a sort of priest and his strange eyes had a wonderful look in them. The light shone on him through the tree canopy.

他昂着头，感觉自己像个牧师，奇异的眼睛里透出奇妙的神色。灯光透过树冠照在他身上。

If you look at a map of the Phoenix Metro area, you will see that the communities that have the highest temperatures also have the lowest tree canopy cover and the highest child poverty.

如果你看一下凤凰城都会区的地图，你会发现温度最高的社区的树冠覆盖率也最低，儿童贫困率也最高。

And after a while, the business elite in the neighborhood decided, first of all, to install underground parking, which gets rid of the whole root system, so you can no longer plant thicker, denser tree canopy.

过了一段时间，附近的商界精英决定，首先安装地下停车场，从而摆脱整个根系，因此不能再种植更厚、更密的树冠。

And part of the reason why Pershing Square was redeveloped and shorn of its tree canopy is because Los Angeles is a city where residents are worried about crime–a city where residents are worried about homelessness.

潘兴广场被重新开发并砍掉树冠的部分原因是洛杉矶是一个居民担心犯罪的城市——一个居民担心无家可归的城市。