Sentences with phrase «layer protecting earth»

The soot would absorb enough solar radiation to heat surrounding gases, setting in motion a series of chemical reactions that would break down the stratospheric ozone layer protecting Earth from harmful ultraviolet radiation.»

The soot would absorb enough solar radiation to heat surrounding gases, setting in motion a series of chemical reactions that would break down the stratospheric ozone layer protecting Earth from harmful ultraviolet radiation, said Mills.

Not exact matches

The stratospheric ozone layer, a fragile shield of gas, protects Earth from harmful ultraviolet rays of the sun.

The Montreal Protocol — one of the world's most successful environmental treaties — has protected the stratospheric ozone layer and avoided enhanced UV radiation reaching the earth's surface,» said UN Under - Secretary - General and UNEP Executive Director Achim Steiner.

To survive 50 millennia and return its payload to Earth intact, KEO must have many layers of shielding — aluminum to protect against oxidation, tungsten and titanium to protect against meteors and cosmic rays, ceramic to protect against the heat of atmospheric reentry.

That's because Earth lacked an ozone layer to protect it from UV light — which was far more intense 4 billion years ago than it is now.

In Earth's atmosphere, this compound forms the ozone layer that protects us from the Sun's harmful UV radiation.

Earth in the days when life was just beginning had no protective ozone layer, so light - dependent, iron - oxidizing bacteria formed iron minerals around themselves to protect them from damaging ultraviolet rays.

This weakened shielding would have allowed more energetic particles into the upper atmosphere, which would have begun to break down the ozone layer that protects Earth from harmful UV radiation, Meert says.

The ozone layer protects life on Earth from the Sun's harmful ultraviolet rays.

But radiation from the sun and cosmic rays is 100 times stronger in space than on Earth, which is protected by a layer of ozone and the Van Allen radiation belts.

That's a layer of the upper atmosphere that protects life on Earth from the sun's harmful ultraviolet rays.

The stratospheric ozone layer, 12 to 30 miles above Earth, protects life on the planet from harsh solar radiation.

HFC's are cousins to chlorofluorocarbons (CFC's) and hydrochlorofluorocarbons (HCFC's), two other classes of refrigerants which are being eliminated under the Montreal Protocol, a 21 - year old treaty signed by 195 nations to control the gases that opened up a hole in the earth - protecting ozone layer of the atmosphere.

The stratospheric ozone layer protects life on Earth by absorbing ultraviolet light, which damages DNA in plants and animals (including humans) and leads to skin cancer.

The recovery of the damaged ozone layer which protects life on Earth from harmful solar radiation is no longer happening worldwide.

The ozone layer protects life on Earth from harmful ultraviolet solar radiation.

However, many of the aerosols scientists have suggested using, such as diamond dust or alumina, are harmful to the ozone (a layer that protects the Earth's surface from some of the sun's ultraviolet rays) and human health.

Ozone is a molecule made up of three oxygen atoms, and the ozone layer, which stretches from heights of 12 to 19 miles (20 to 30 kilometers) above the Earth's surface, protects life on Earth by shielding it from ultraviolet (UV) radiation.

Major peaks have occurred in 1988 (the ozone - layer protecting Montreal Protocol came to the fore), in 1992 (the year of the Earth Summit in Rio), in 1997 (due to the Kyoto Protocol on greenhouse gas emissions), and in 2000 (when US president George Bush officially rejected the Kyoto Protocol).

Earth enjoys these temperatures because of its atmosphere, which is the thin layer of gases that cloak and protect the planet.

In a nutshell, many of the elements being sprayed destroy the high - altitude ozone layer which used to protect the earth from UV radiation, back in the good ol' days.

He later helped organize Green Corps, a nonprofit focused on grassroots organizing, and the group was hired as a contractor for Ozone Action, which prodded politicians to address climate change and protect the Earth's ozone layer.

The stratospheric ozone layer, which protects the earth from harmful ultraviolet radiation, is still being chemically attacked by reactions involving long - lived chlorofluorocarbons (CFCs) banned 20 years ago.

Even if this hypothesis was at first founded upon assumptions for the absorption of carbon dioxide which are not strictly correct, it is still an open question whether an examination of the «protecting» influence of the higher atmospheric layers upon lower ones may not show that a decrease of the carbon dioxide will have important consequences, owing to the resulting decrease in the radiation of the upper layers and the increased temperature gradient at the earth's surface.

The ozone layer would be quite good at its job of protecting Earth from too much ultraviolet radiation - that is, it would if humans did not contribute to the process.