Sentences with phrase «protective ozone layer»

Lingering atmospheric pollutants and frigid air have carved an unusually deep hole in Earth's protective ozone layer over the Arctic, and it threatens to get deeper this spring.

Instead of using R - 22 refrigerant, which can damage the earth's protective ozone layer when released, the refrigeration systems used in the manufacturing process employ glycol as refrigerant.

The ozone hole is a severe depletion of Earth's protective ozone layer which takes place each spring over Antarctica.

Lingering atmospheric pollutants and a blast of frigid air have carved an unusually deep hole in Earth's protective ozone layer over the Arctic, and it threatens to get deeper.

The recovery of Earth's protective ozone layer has been hailed as an environmental success story.

DO COSMIC rays deplete the Earth's protective ozone layer?

Radiation bombarding the upper atmosphere would obliterate the protective ozone layer, rendering us defenseless against ultraviolet light.

The protective ozone layer is under attack from chlorine and bromine, which come from both synthetic chemicals and natural sources.

Earth's protective ozone layer is well on track to recovery in the next few decades thanks to concerted international action against ozone depleting substances, according to a new assessment by 300 scientists.

Those techniques have led to everything from the development of catalysts that remove poisonous carbon monoxide from car exhaust to the understanding of how ice crystals in stratospheric clouds supercharge atmospheric chlorine's ability to destroy the planet's protective ozone layer.

Some of these gases also degraded the atmosphere's protective ozone layer, and the news inflamed public worries about the fragility of the atmosphere.

In 1989, an international agreement called the Montreal Protocol began phasing out chemicals that have gnawed away at Earth's protective ozone layer.

A new computer simulation suggests that the water vapour and sea salt thrown up by the impact could damage the Earth's protective ozone layer, leading to record levels of ultraviolet radiation that could threaten human civilisation.

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.

His team's work has shown only that exposure to such massive bursts of radiation would almost certainly peel away a planet's protective ozone layer.

Cosmic rays are eating away at the Earth's protective ozone layer, say Canadian radiation scientists Qing - Bin Lu and Leon Sanche of the University of Sherbrooke.

Almost 30 years after it was first reported that pollutants were destroying the Earth's protective ozone layer, there is clear evidence that the global CFC ban has had an impact.

Each year, ozone - depleting compounds in the upper atmosphere destroy the protective ozone layer, and in particular above Antarctica.

«A much - discussed idea to offset global warming by injecting sulfate particles into the stratosphere would have a drastic impact on Earth's protective ozone layer, new research concludes.

Yet even without the protective ozone layer, microbes found a way to survive back then.

These altitudes are so high that monsoon air then ascends freely into the stratosphere, the stable layer that overlies the lower part of the atmosphere and contains the Earth's protective ozone layer.

The Earth's protective ozone layer, which shields us from harmful ultraviolet rays, is showing signs of recovery, according to a new United Nations (UN) report released Wednesday.

The interference caused by the event threw the worldwide telegraph network into disarray, and based on ice core samples retrieved from Greenland, caused significant damage to Earth's protective ozone layer.

These superflares are capable of posing a significant threat to our advanced technology, and seriously harming Earth's protective ozone layer.

In the early 1970s, Cicerone, trained initially as an electrical engineer, played an important role in building the evidence that certain chlorinated compounds could threaten the planet's protective ozone layer.

Below you can read the joint statement, followed by a link to a 2010 Times article showing how this action by the two nations is related not to the troubled 1992 United Nations climate treaty, but instead is an outgrowth of the 1987 Montreal Protocol, an accord originally aimed at controlling synthetic chemicals that were harming the atmosphere's protective ozone layer:

I was saddened to learn today of the passing on Saturday of F. Sherwood Rowland, a remarkable scientist, engaged citizen and professor best known for sharing the 1995 Nobel Prize in Chemistry for work revealing the impact of synthetic chlorofluorocarbons on the atmosphere's protective ozone layer.

LONDON, 6 February, 2018 — The Earth's protective ozone layer is not recovering uniformly from the damage caused to it by industry and other human activities.

The global treaty that headed off destruction of earth's protective ozone layer has also prevented major disruption of global rainfall patterns, even though that was not a motivation for the treaty, according to a new study...

It found this month significant progress in just four: eliminating chlorofluorocarbons that punched a hole in the Earth's protective ozone layer; the removal of lead from gasoline that caused human health problems; improved access to clean water; and boosting research to reduce ocean pollution.

Short - lived chemicals not covered by international treaty may travel fast enough to harm Earth's protective ozone layer.

SAN FRANCISCO — When nations agreed in 1987 to stop using chemicals that eat away at the protective ozone layer high in the atmosphere, they averted a great deal of hardship, said a senior NASA scientist.

These chemicals, deemed safe for the earth's protective ozone layer, had earlier replaced ozone - injurious refrigerants such as chlorofluorocarbons and hydro - chlorofluorocarbons.

Lingering pollutants, called chlorofluorocarbons, and cold temperatures high in the atmosphere have conspired to create record loss of the protective ozone layer above the Arctic, the World Meteorological Organization reports.

These eruptions might have released gases that damaged Earth's protective ozone layer.

The death has been announced of Sherwood Rowland - the US chemistry professor who first suspected that the Earth's protective ozone layer was being depleted by man - made chemicals.

One consequence of these solar perturbations is to complicate the detection of human - induced depletion of the protective ozone layer; another may be to perturb the temperature at the Earth's surface, through connections that link the upper and lower parts of the atmosphere.

No more chlorofluorocarbons, or CFCs, that damage Earth's protective ozone layer.