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the late 1960s when Apollo missions were

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the late 1960s when Apollo missions were
 

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the late 1960s when Apollo missions were
bound for the moon that we were first

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bound for the moon that we were first
 

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bound for the moon that we were first
able to see complete pictures of the

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able to see complete pictures of the
 

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able to see complete pictures of the
earth environmentalists began to look at

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earth environmentalists began to look at
 

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earth environmentalists began to look at
our planet as a single fragile ecosystem

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our planet as a single fragile ecosystem
 

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our planet as a single fragile ecosystem
now we are intensely studying the thin

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now we are intensely studying the thin
 

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now we are intensely studying the thin
halo of atmosphere that surrounds and

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halo of atmosphere that surrounds and
 

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halo of atmosphere that surrounds and
protects earth it recycles the air we

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protects earth it recycles the air we
 

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protects earth it recycles the air we
breathe regulates climate and acts as a

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breathe regulates climate and acts as a
 

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breathe regulates climate and acts as a
protective barrier filtering out much of

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protective barrier filtering out much of
 

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protective barrier filtering out much of
the sun's harmful radiation last year an

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the sun's harmful radiation last year an
 

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the sun's harmful radiation last year an
international group of scientists proved

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international group of scientists proved
 

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international group of scientists proved
that ozone the key element in this

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that ozone the key element in this
 

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that ozone the key element in this
filtering process is being lost at

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filtering process is being lost at
 

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filtering process is being lost at
farming rate over the South Pole in fact

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farming rate over the South Pole in fact
 

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farming rate over the South Pole in fact
a sizable hole develops over this area

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a sizable hole develops over this area
 

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a sizable hole develops over this area
each winter without ozo the sun's

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each winter without ozo the sun's
 

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each winter without ozo the sun's
harmful radiation will destroy life

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harmful radiation will destroy life
 

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harmful radiation will destroy life
a group of man-made compounds called

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a group of man-made compounds called
 

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a group of man-made compounds called
chlorofluorocarbons or CFCs used as

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chlorofluorocarbons or CFCs used as
 

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chlorofluorocarbons or CFCs used as
refrigerants cleaning solvent sending

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refrigerants cleaning solvent sending
 

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refrigerants cleaning solvent sending
some plastic forms are to blame for this

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some plastic forms are to blame for this
 

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some plastic forms are to blame for this
environmental problem they eventually

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environmental problem they eventually
 

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environmental problem they eventually
make their way into the atmosphere and

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make their way into the atmosphere and
 

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make their way into the atmosphere and
destroy ozone according to dr. Brian

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destroy ozone according to dr. Brian
 

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destroy ozone according to dr. Brian
tune of NASA's Ames Research Center it

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tune of NASA's Ames Research Center it
 

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tune of NASA's Ames Research Center it
is a global scale environmental problem

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is a global scale environmental problem
 

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is a global scale environmental problem
this really marks the first time I in

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this really marks the first time I in
 

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this really marks the first time I in
the history of environmental science

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the history of environmental science
 

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the history of environmental science
where human beings and one side of the

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where human beings and one side of the
 

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where human beings and one side of the
planet have done something to the planet

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planet have done something to the planet
 

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planet have done something to the planet
that is significantly affected globally

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that is significantly affected globally
 

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that is significantly affected globally
and on the far side of the planet from

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and on the far side of the planet from
 

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and on the far side of the planet from
where the original pollution took place

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where the original pollution took place
 

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where the original pollution took place
using the beautiful sea port town of

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using the beautiful sea port town of
 

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using the beautiful sea port town of
stavanger norway as a base of operations

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stavanger norway as a base of operations
 

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stavanger norway as a base of operations
an international team of scientists

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an international team of scientists
 

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an international team of scientists
assembled this year in an emergency

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assembled this year in an emergency
 

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assembled this year in an emergency
effort to make a detailed study of the

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effort to make a detailed study of the
 

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effort to make a detailed study of the
North Pole most of the work was

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North Pole most of the work was
 

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North Pole most of the work was
performed a blow to any NASA aircraft

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performed a blow to any NASA aircraft
 

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performed a blow to any NASA aircraft
this is the nail art to not for the

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this is the nail art to not for the
 

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this is the nail art to not for the
mission special wing pods are attached

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mission special wing pods are attached
 

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mission special wing pods are attached
containing atmospheric chemistry

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containing atmospheric chemistry
 

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containing atmospheric chemistry
analysis equipment and a host of other

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analysis equipment and a host of other
 

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analysis equipment and a host of other
instruments typically flights are made

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instruments typically flights are made
 

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instruments typically flights are made
about 12 miles

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about 12 miles
 

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about 12 miles
the fringes of space like into the

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the fringes of space like into the
 

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the fringes of space like into the
layers of atmosphere directly affected

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layers of atmosphere directly affected
 

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layers of atmosphere directly affected
by ozone mars the ER to is research

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by ozone mars the ER to is research
 

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by ozone mars the ER to is research
partner is a modified ECA it flies at

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partner is a modified ECA it flies at
 

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partner is a modified ECA it flies at
lower altitudes but has increased fuel

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lower altitudes but has increased fuel
 

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lower altitudes but has increased fuel
reserves which allowed to cover more

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reserves which allowed to cover more
 

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reserves which allowed to cover more
territory even flights directly over the

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territory even flights directly over the
 

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territory even flights directly over the
North Pole inside the dc-8 is actually a

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North Pole inside the dc-8 is actually a
 

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North Pole inside the dc-8 is actually a
complete scientific Observatory loaded

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complete scientific Observatory loaded
 

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complete scientific Observatory loaded
with sensing instruments scientists

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with sensing instruments scientists
 

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with sensing instruments scientists
perform their experiments and are able

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perform their experiments and are able
 

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perform their experiments and are able
to map results right on the spot this

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to map results right on the spot this
 

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to map results right on the spot this
instrument contains for lasers capable

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instrument contains for lasers capable
 

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instrument contains for lasers capable
of shooting life many miles up into the

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of shooting life many miles up into the
 

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of shooting life many miles up into the
atmosphere the light reflects back to

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atmosphere the light reflects back to
 

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atmosphere the light reflects back to
the plane and provide scientists with a

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the plane and provide scientists with a
 

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the plane and provide scientists with a
cross-sectional map of ozone

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cross-sectional map of ozone
 

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cross-sectional map of ozone
concentrations as well as aerosols or

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concentrations as well as aerosols or
 

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concentrations as well as aerosols or
regions where ozone depletion is capable

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regions where ozone depletion is capable
 

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regions where ozone depletion is capable
of occurring initial results from both

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of occurring initial results from both
 

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of occurring initial results from both
aircraft indicate that high

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aircraft indicate that high
 

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aircraft indicate that high
concentrations of CFCs have been found

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concentrations of CFCs have been found
 

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concentrations of CFCs have been found
at northern latitudes primed for ozone

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at northern latitudes primed for ozone
 

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at northern latitudes primed for ozone
destruction

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destruction
 

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destruction
when combined with high altitude ice

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when combined with high altitude ice
 

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when combined with high altitude ice
clouds the right amount of sunlight and

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clouds the right amount of sunlight and
 

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clouds the right amount of sunlight and
confined slow moving masses of air ozone

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confined slow moving masses of air ozone
 

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confined slow moving masses of air ozone
destruction occurs as a result of this

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destruction occurs as a result of this
 

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destruction occurs as a result of this
airborne mission scientists who are able

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airborne mission scientists who are able
 

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airborne mission scientists who are able
to confirm the process and product areas

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to confirm the process and product areas
 

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to confirm the process and product areas
of depletion international policy makers

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of depletion international policy makers
 

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of depletion international policy makers
have met in hopes of limiting the amount

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have met in hopes of limiting the amount
 

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have met in hopes of limiting the amount
of CFC production and losing they agreed

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of CFC production and losing they agreed
 

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of CFC production and losing they agreed
to phase out the truce by the year 2000

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to phase out the truce by the year 2000
 

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to phase out the truce by the year 2000
many scientists word that this may not

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many scientists word that this may not
 

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many scientists word that this may not
be soon enough again dr. P the ozone

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be soon enough again dr. P the ozone
 

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be soon enough again dr. P the ozone
problem for example when you release

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problem for example when you release
 

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problem for example when you release
clear fluorocarbons to the environment

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clear fluorocarbons to the environment
 

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clear fluorocarbons to the environment
it's decades to centuries before those

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it's decades to centuries before those
 

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it's decades to centuries before those
are removed researching safe economic

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are removed researching safe economic
 

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are removed researching safe economic
replacements for CFCs is a vital part of

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replacements for CFCs is a vital part of
 

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replacements for CFCs is a vital part of
solving this serious environmental issue

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solving this serious environmental issue
 

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solving this serious environmental issue
thanks to the intensive work done in the

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thanks to the intensive work done in the
 

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thanks to the intensive work done in the
last few years

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last few years
 

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last few years
we know why ozone depletion exists it is

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we know why ozone depletion exists it is
 

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we know why ozone depletion exists it is
now up to the world community to take

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now up to the world community to take
 

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now up to the world community to take
responsibility for the future of our

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responsibility for the future of our
 

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responsibility for the future of our
global environment