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In
this
activity,
students
will
analyze
their
nitrogen
oxide
emissions
from
all
sources
(including
coal-fired
power
plants,
natural
gas
combustion,
gas-powered
lawnmowers,
etc.)
and
combine
them
with
vehicle
emissions
calculated
in
the
previous
activity
(Ground-level
Ozone:
Your
Vehicle)
to
derive
an
estimate
of
total
emissions
of
smog-forming
NOx.
They
will
use
an
online
nitrogen
calculator
and
enter
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Due
to
the
presence
of
dissolved
gases
such
as
carbon
dioxide,
rainfall
is
naturally
acidic.
The
release
of
other
gases
and
chemicals
such
as
sulfur
dioxide
during
the
combustion
of
coal
and
oil
can
cause
rainfall
to
become
even
more
acidic,
sometimes
to
the
point
of
toxicity.
In
this
activity,
students
will
measure
the
pH
of
local
rainfall
to
see
what
effect
these
gases
have
in
their
region.
They
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The
terms
greenhouse
effect,
climate
change,
and
global
warming
are
often
used
interchangeably,
yet
they
really
refer
to
three
separate
and
distinct
processes.
This
activity
examines
all
three
and
assesses
whether
Earth's
atmosphere
is
getting
warmer.
Students
will
read
two
articles
from
the
journal
of
Science
that
discuss
the
findings
of
the
Intergovernmental
Panel
on
Climate
Change
(IPCC)
and
investigate
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The
amount
of
carbon
dioxide
in
the
atmosphere
has
been
increasing
for
many
decades
now,
mostly
due
to
the
burning
of
fossil
fuels
by
mankind.
In
this
exercise,
students
will
track
their
daily
activities,
and
and
estimate
how
much
carbon
dioxide
they
are
responsible
for
emitting
with
the
use
of
an
online
Personal
Greenhouse
Gas
Calculator
developed
by
the
U.S.
Environmental
Protection
Agency
(EPA).
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In
this
activity,
students
quantify
and
analyze
their
personal
contributions
of
smog-forming
compounds
due
to
driving.
The
activity
builds
upon
the
previous
lesson
(Ground-Level
Ozone).
The
students
will
review
online
materials
on
vehicle
emissions
and
use
an
environmental
calculator
produced
by
Environmental
Defense
to
examine
their
individual
emissions
of
ozone-forming
compounds.
They
will
enter
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Discussion
of
holes
in
the
stratospheric
ozone
layer
usually
revolves
around
investigations
of
the
thickness
of
the
layer
near
the
South
Pole.
This
online
activity
allows
users
to
study
the
thickness
of
the
ozone
layer
over
any
location
on
Earth
to
see
how
it
has
changed
over
time.
This
is
done
by
plotting
historical
data
from
the
Total
Ozone
Mapping
Spectrometer
(TOMS)
Program,
which
has
been
in
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Pedagogical help
Misconceptions:
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There
are
two
ways
to
reduce
net
emissions
of
carbon
dioxide:
limit
how
much
carbon
dioxide
is
emitted
into
the
atmosphere
as
we
burn
fossil
fuels,
or
increase
the
rate
at
which
it
is
absorbed.
In
this
lesson,
discussion
topics
include
the
Kyoto
Protocol
and
the
use
of
carbon
credits
to
reduce
emissions
of
carbon
dioxide
into
the
atmosphere.
Students
can
listen
to
a
National
Public
Radio
show
that
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High
levels
of
ultraviolet
light
can
be
harmful
to
many
biological
systems,
as
this
higher
energy
radiation
has
a
mutagenic
effect
on
plant
and
animal
cells.
This
activity
studies
the
relationship
between
the
amount
of
ultraviolet
(UV)
radiation
that
gets
to
Earth's
surface
and
the
amount
of
stratospheric
ozone
overhead.
Users
plot
remote
sensing
data
from
the
NASA
Total
Ozone
Mapping
Spectrometer
...
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This
exercise
is
intended
to
reinforce
the
importance
of
Earth's
atmosphere
to
living
organisms.
Topics
include
our
bodies'
interactions
with
the
atmosphere;
its
composition
and
structure;
and
natural
changes
in
the
atmosphere
(weather).
Students
will
perform
an
actvity
in
which
they
are
asked
to
observe
and
record
weather
conditions
for
four
days,
answer
questions
about
their
observations,
and
respond
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This
exercise
is
designed
to
introduce
students
to
the
idea
that
human
activities
can
alter
the
chemistry
or
gaseous
composition
of
the
atmosphere,
resulting
in
a
variety
of
impacts
on
human
health
and
the
environment.
Discussion
topics
include
indoor
pollution
and
local
(point-
or
non-point
source)
pollution.
Students
will
perform
an
activity
in
which
they
use
an
online
resource
from
the
Environnmental
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Environmental Protection Agency (EPA) Envirofacts website -
http:/
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