An overview of the effects of air pollution on global warming and ozone depletion

Aroza has been making and keeping records of total ozone sincelonger than any other location. Other pollutants, like ozone and particulate matter, cause respiratory and other health problems, particularly in children and the elderly.

The ozone layer refers to an upper layer of the earth's atmosphere containing a high concentration of ozone gas that absorbs potentially harmful ultraviolet radiation. Many gases contribute to the greenhouse effect, some of the most important being water vapor, methane and carbon dioxide.

However, the concentration of stratospheric ozone is not constant. An agreement ratified by over nations that have agreed to reduce carbon dioxide and other emissions. Antarctic ozone hole[ edit ] The discovery of the Antarctic "ozone hole" by British Antarctic Survey scientists FarmanGardiner and Shanklin first reported in a paper in Nature in May [93] came as a shock to the scientific community, because the observed decline in polar ozone was far larger than anyone had anticipated.

This study also presents some protective measures for preventing further depletion of the ozone layer. For example, the common talking points about it being warmer during the Medieval Warm Period and low climate sensitivity i. In the United States National Academy of Sciences released a report concluding that the ozone depletion hypothesis was strongly supported by the scientific evidence.

Those who argued for global warming theory were nicknamed "warmists" and those against were called "coolists" or "coldists.

In particular, in the U. Among these options is lacing the atmosphere with particulate matter in order to seed clouds, artificial carbon sequestration technology to actively remove the carbon dioxide from the atmosphere at a rate faster than natural sinks such as photosynthesis and ocean carbonates, and constructing sun screens in orbit.

But we can do something about it. Greenpeace was given the patent, called it " Greenfreeze ," and left the patent as open source.

Global Warming and Ozone Depletion - PowerPoint PPT Presentation

This paper reveals the causes of ozone depletion, identifies the sources of ozone depleting substances, highlights the effects and also recommends some protective measures. Pinotubo in the Philippines. It may be similar to arguing with someone about the New World Order NWO as you need to find out exactly where they stand before engaging with them.

The net effect is to destroy ozone faster than it is naturally created. The same survey team 2 reported that a significant depletion of stratospheric ozone layer occurs every spring in the Antarctica and leads to catastrophic ozone holes. This hypothesis was decisively confirmed, first by laboratory measurements and subsequently by direct measurements, from the ground and from high-altitude airplanes, of very high concentrations of chlorine monoxide ClO in the Antarctic stratosphere.

The oxygen atom then joins up with an oxygen molecule to regenerate ozone. They were used in air conditioning and cooling units, as aerosol spray propellants prior to the s, and in the cleaning processes of delicate electronic equipment.

There are no significant trends in the tropics, largely because halogen-containing compounds have not had time to break down and release chlorine and bromine atoms at tropical latitudes. Terrestrial life could not survive unless the protective ozone layer was formed about million years ago KnollGray and Shear When a CFC molecule breaks down, it releases atomic chlorine which destroys ozone.

At first, their hypothesis faced a great deal of skeptism but the scientific discoveries over the following two decades proved that the hypothesis was correct. Not only on the policy level, ozone regulation compared to climate change fared much better in public opinion.

Substantial seasonal ozone loss during both spring and summer in the northern and southern hemispheres was also reported for the first time in Miller et al. The Earth's surface then gives off heat, some of which is trapped in its atmosphere by a blanket of greenhouse gases rather than escaping into space, keeping the Earth warmer than it otherwise would be.

Also, some carbon compounds released in the atmosphere may help prevent global warming. The report showed that the hole in the ozone layer was recovering and the smallest it had been for about a decade.

Global ozone depletion: causes, effects and preventive measures

This is normally expressed in Dobson units ; abbreviated as "DU". Health Effects of the Pollution We Cause. Exposure to emissions of lead, mercury, sulfur dioxide, particulate matter, carbon dioxide, and ozone-forming nitrogen dioxides are hazardous to public health.

Known as tropospheric or "ground-level" ozone, this gas is harmful to human heath and the environment. Since it forms from emissions of volatile organic compounds (VOCs) and nitrogen oxides (NOx), these pollutants are regulated under air quality standards.

Issues like global warming, ozone depletion, and acid rain are not confined by administrative boundaries. Environmental laws are the tools which help manage the conservation of natural resources across the.

Quick Overview. For more than forty-five years the Clean Air Act has cut pollution as the U.S. economy has grown. Americans breathe less pollution and face lower risks of premature death and other serious health effects. Without immediate action, annual HFC emissions in Canada are projected to increase from 9 Mt of CO 2 e emissions per year in to 19 Mt per year inunderlining the significant contribution of HFCs to global warming.

(see footnote 40) Global action to reduce HFC emissions can prevent up to °C of global warming due to the high Global Warming.

Comprehensive and meticulously documented facts about pollution. Learn about air and water pollution, natural pollution, indoor pollution, and more.

An overview of the effects of air pollution on global warming and ozone depletion
Rated 0/5 based on 59 review
MOPIA - Manitoba Ozone Protection Association