Sentences with phrase «without ozone layers»

Life as we know it doesn't thrive on planets without ozone layers.

Without the ozone layer, ultraviolet rays from the sun would reach the surface at nearly full force, causing skin cancer and, more seriously, killing off the tiny photosynthetic plankton in the ocean that provide oxygen to the atmosphere and bolster the bottom of the food chain.

Without an ozone layer, the sun's rays slowly atomised the Martian water.

(PS I had once read that without an ozone layer, the atmosphere could be divided into two layers (by temperature trends — of course there is also compositional and electromagnetic distinctions (homosphere, turbopause, heterosphere;?

Not exact matches

We can not blow up the world and continue to live on it; we can not destroy the ozone layer without risking skin cancer; we can not pollute all waters and be able to drink; we can not denude the surface of trees and expect the soil not to erode.

Everything that has happened since then, including the greenhouse effect and the hole in the ozone layer, makes it clear that a future world could not sustain a population of even the present number at a higher level of industrial development without reaching environmental limits.

Without a protective layer of ozone, life would be exposed to DNA - damaging ultraviolet rays from the sun.

Without magnetic protection, these particles would strike Earth's atmosphere, eroding the already beleaguered ozone layer (see # 5).

But if there is high pressure below, then pollution will descend and planes could fly higher without damaging the ozone layer.»

Venus, without a substantial ozone layer, would look very different,» said Barstow.

By 2060 the ozone layer is effectively extinct and without it, the Earth's surface is a much less friendly place: You would only have to be outside for about five minutes to get sunburned and the incidence of skin cancer would increase substantially.

Now we are reaping the rewards, with the ozone layer in much better shape than it would have been without the United Nations (UN) treaty.

In a world without the Montreal Protocol, two - thirds of the ozone layer would have been destroyed by 2065, and the UV index, a measure of the strength of the sun's ultraviolet rays, would have tripled, with the tropics seeing a particularly large increase in UV rays reaching Earth's surface.

The protective role of the ozone layer in the upper atmosphere is so vital that scientists believe life on land probably would not have evolved - and could not exist today - without it.