Smog

Smog originally named for the mixture of smoke and fog in the air..

Classic smog results from large amounts of coal burning in an area and is caused

by a mixture of smoke and sulfur dioxide.

Smog is a problem in a number of cities and continues to harm human health.

Ground-level ozone, sulfur dioxide, nitrogen dioxide carbon monoxide are

especially harmful for senior citizens, children, and people with heart and lung

conditions such as emphysema, bronchitis, and asthma.

Effects: It can inflame breathing passages, decreasing the lungs' working capacity,

and causing shortness of breath, pain when inhaling deeply, wheezing, and

coughing. It can cause eye and nose irritation and it dries out the protective

membranes of the nose and throat and interferes with the body's ability to fight

infection, increasing susceptibility to illness.

Hospital admissions and respiratory deaths often increase during periods when

ozone levels are high.

Photochemical Smog In the 1950s a new type of smog, known as Photochemical Smog, was first

described

haze in the atmosphere accompanied by high levels of ozone and nitrogen

oxides, caused by the action of sunlight on pollutants.

Thermal Inversion

When the air layer pattern is reversed, then the

phenomenon called temperature inversion occurs.

Temperature inversions last only a few hours, but there have

been cases where they remain for several days.

Sustainable FutureEvaluating the possibility

Montreal Protocol

The Montreal Protocol on Substances that Deplete the

Ozone Layer was designed to reduce the production and

consumption of ozone depleting substances in order to

reduce their abundance in the atmosphere, and thereby

protect the earth’s fragile ozone Layer. The original

Montreal Protocol was agreed on 16 September 1987

and entered into force on 1 January 1989.

On a cold day in September 1987 in Montreal, 24

countries signed the Montreal Protocol on Substances

that Deplete the Ozone Layer. The document itself was

rather short – only about eight pages – but the impact

that it had on the world community was significant. The

Protocol that was signed on that day, 20 years ago, had a

number of key elements, all of which have contributed to

the success that has been achieved by the Protocol to

date.

Success

In addition, in 2003, recognition of the Protocol from the political

side came in the statement of United Nations Secretary General Kofi

Annan, that “perhaps the single most successful international

environmental agreement to date has been the Montreal Protocol, in

which States accepted the need to phase out the use of ozone-

depleting substances.” Finally, the Montreal Protocol is recognized

in the United Nations 2006 report on the Millennium Development

Goals, under Goal 7, as a global success story for its work in

catalysing global action to help us reduce the amount of chemicals

damaging the ozone layer.

Sustainable future!

Is possible…. International cooperation to cut

Carbon emissions.

Monitoring and Enforcement of

plan- Role of government and

authorities

Industries behavior and

cooperation.

Individual’s responsibility!

Individual’s role

List down what

you can do?

Your task: Inquire further on these view and write

note in favor or against climate change.

References http://wwf.panda.org/about_our_earth/aboutcc/cause/

http://www.livescience.com/37057-global-warming-

effects.html?li_source=LI&li_medium=most-popular

http://environment.nationalgeographic.com/environment/global-

warming/ozone-depletion-overview/

http://ozone.unep.org/en/treaties-and-decisions/montreal-protocol-

substances-deplete-ozone-layer

http://www.livescience.com/17347-climate-success-montreal-protocol-

ozone.html

http://ozone.unep.org/Publications/MP_A_Success_in_the_making-E.pdf

http://scienceunraveled.com/Temperature+Inversion

https://www.sciencedaily.com/terms/smog.htm