Sentences with phrase «of ozone layer»

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.

Knowledge of the basic physical processes seems to be in flux as well: how long ago was the importance of the ozone layer and aerosols discovered?

In addition to causing acid rain, these chemicals are linked with increased water pollution and destruction of the ozone layer.

The CFC molecules that destroy ozone also trap heat, but the thinning of the ozone layer does not by itself make the Earth's surface hotter.

Satellites and weather balloon measurements show that the stratosphere, the layer from 10 to 50 kilometres above the Earth, is indeed cooling (although this is partly due to the depletion of the ozone layer).

Rachel Carson, who was a quick learner, would be ahead of us in understanding the devastating effects everywhere of still - rocketing population growth combined with consumption of national resources, the thinning of the ozone layer, global warning, the collapse of marine fisheries, and, less directly through foreign trade, the decimation of tropical forests and mass extinction of species.

The ozone ECV is important to monitoring the long - term trends in surface ultraviolet (UV) radiation and recovery of the ozone layer.

Bromine compounds are roughly an order of magnitude more destructive of the ozone layer.

Power plant emissions that cause acid rain, water pollution and destruction of the ozone layer may actually be made worse by capturing the CO2 and pumping it deep underground, a new study reported online and in an upcoming International Journal of Greenhouse Gas Control suggests.

The report also concludes that concentrations of carbon dioxide (CO2), methane and nitrous oxide will influence the state of the ozone layer in second half of this century.

A satellite view of the status of the ozone layer over the Antarctic pole on Aug. 5.

The effect of this is continued shredding of the ozone layer and a total disruption of the hydrological cycle.

With one exception — stabilization of the ozone layer through strict regulation of ozone - depleting chemicals — they found that not enough progress has been made to avert the massive environmental problems apparent in the late 20th century.

As is reported over at PJ Media, in spite of very recent claims of an ozone recovery, conveniently timed with a celebration of the Montreal Protocol's 25th anniversary, there is much dispute about the state of the ozone layer.

The possibility of the ozone layer thinning, just as the possibility of the planet warming, allowed speculation of the kind usually leant to cheap science fiction plots than scientific research.

The evolution of the forcing due to stratospheric O3 loss hinges on the rate of recovery of the ozone layer, with special regards to the spatial structure of such a recovery in the mid - to high latitudes.

So the depletion of the ozone layer actually has cooled Earth's climate very slightly.

«This historic agreement not only helps the recovery of the ozone layer, but also represents one of the single largest steps that developed and developing countries have taken together to undertake binding international commitments to significantly reduce greenhouse gas emissions.»

The recovery of the ozone layer is being delayed by human emissions of greenhouse gases like carbon dioxide and methane.

Above the point where this Oreskes / Conway presentation / paper referred to Dr Singer's position on second - hand smoke is a mention of ozone layer scientist Dr Sherwood Rowland, referencing Dr Singer's protest about the certainty of Rowland's conclusions about the ozone layer.

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.

Trenberth also admitted that the climate models have major shortcomings because «they do not consider many things like the recovery of the ozone layer, for instance, or observed trends in forcing agents.

These CFCs are slowing the recovery of the ozone layer hole overAntarctica.

It was only in the 1980's, with the confirmation of the destruction of the ozone layer, that the criticism took form as an undeniable proof that humanity is able to cause dramatic changes to the planet.

The sulfates would slow or reverse the recovery of the ozone layer; they might also reduce global rainfall, and the rain that did fall would be more acidic.

Figure 20 shows how the thickness of the ozone layer is strongly correlated to the phase change conditions.

The destruction of the ozone layer in the atmosphere and the global greenhouse effect contribute in the occurrence of this phenomenon.

Because of the Greenhouse effect and the depletion of the ozone layer, the radiation of the sun rays penetrates and make it stays longer inside the Earth and harm us all living things.

27 In the late 1970s, the United States and many other countries banned most uses of CFCs in aerosol sprays In 1990, many nations agreed to phase out the production and use of CFCs The size of the ozone layer is expected to gradually shrink over time as these decreases take effect RESULTS OF OZONE DEPLETION

September 16th, International Ozone Layer Protection Day, marked the 30th anniversary of the Vienna Convention for Protection of the Ozone Layer.

Avipsa Mahapatra [AM]: This year marks 30 years since the adoption of the Vienna Convention for the Protection of the Ozone Layer, the framework agreement which gave birth to the Montreal Protocol, which established to phase out the chemicals that were destroying the ozone layer.

Check it out, it's on September 19) but suffice it to say that the international effort to put a halt to the destruction of the ozone layer is not among the dubious landmarks.

Continued monitoring of ozone and ozone - depleting substances is essential for verification of ozone layer recovery as expected by about 2050, which hinges on the complete elimination of atmospheric ozone - depleting substances.

Continued declines in ozone - depleting gases are expected to allow for a recovery of the ozone layer, but not until the middle of the 21st century.

«The Reagan administration was generally skeptical about costly environmental rules, but with respect to protection of the ozone layer, Reagan was an environmentalist hero.

NOAA is also responsible for synthesizing this information to allow for a comprehensive picture of the ozone layer, its changes, and how it might change in the future.

The present scope includes accurately monitoring column ozone with Dobson spectrophotometers globally, monitoring the ozone profile at key sites, monitoring all relevant chlorine - and bromine - containing compounds globally, improving and developing new instrumentation, conducting laboratory studies of newly proposed chemicals, and using statistical models to test the observations for signs of ozone layer recovery.

protect human health and the environment against adverse effects resulting from modifications of the ozone layer

Efforts are currently underway to explore the range of potential future atmospheric conditions and how they might influence the health of the ozone layer.

The scientific goal is to determine and interpret trends in global stratospheric ozone, the Antarctic ozone hole, and global atmospheric ozone depleting substances; to investigate these trends for signs of recovery of the ozone layer and evaluate implications for climate change; and to study the efficacy of newly proposed substitutes for currently used ozone - depleting substances.

Progress continues on reducing atmospheric amounts of chlorine and bromine so as to allow for the recovery of the ozone layer.

The thickness of the ozone layer depends upon the balance of many different processes.

As a result of these activities, NOAA has led the effort to guide the recovery of the ozone layer, to ensure the recovery proceeds as expected, and to note areas or action that might allow a faster recovery or hinder recovery.

Measurements show that depletion of the ozone layer steadily worsened during the 1980s and most of the 1990s, but more recently as atmospheric amounts of chlorine and bromine have stabilized, a further worsening of ozone depletion appears to have been avoided.

NOAA's role as a steward of the atmospheric environment has enabled it to play a central role in enhancing our understanding of the ozone layer and ozone layer depletion, and in gauging the effectiveness of measures taken to restore the ozone layer to its original strength.

Continued monitoring and process studies of ozone and ozone - depleting gases are required if we hope to be able to discern if the ozone layer is recovering as expected, or whether additional actions are necessary to ensure the recovery of the ozone layer.

Lesson from History II: The Science of Ozone - Layer Protection The UW Environmental Protection Agency (EPA) maintains a terrific web - page titled The Science of Ozone Layer Depletion, to which the attention of Climate Etc readers is directed.

Posted in Government Policies, Green House Gas Emissions, International Agencies, News, Vulnerability Comments Off on Montreal Protocol Parties Discuss Issues Related to the Protection of the Ozone Layer

My recent Times column argued that the alleged healing of the ozone layer is exaggerated, but so was the impact of the ozone hole over Antarctica:

Heartland has also denied pollution's role in causing acid rain and the depletion of the ozone layer, and taken strong stances against the Endangered Species Act and president Obama's healthcare reform.