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This
site
features
seven
PBS
programs
from
around
the
world
that
explore
the
delicate
relationship
between
humans
and
the
natural
environment,
and
the
necessity
of
achieving
a
balance
between
the
two.
Programs
contain
both
text
and
video,
as
well
as
links
to
other
information
sources.
In
addition
to
the
seven
programs,
the
site
also
features
a
photo
gallery,
definitions
and
information
about
global
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is part of :
Creating Effective Web-based Learning Resources in the Geosciences -
http:/
This resource is included in the following collections:
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This
geospatial
animation
shows
sea
level
rising
across
the
land
bridge
between
Siberia
and
Alaska.
During
the
last
Glacial
Maximum
(~21,000
years
ago),
the
Bering
Land
Bridge
was
a
vast
tundra
plain
connecting
Asia
and
North
America.
At
that
time,
the
global
sea
level
was
120
meters
lower
than
it
is
today.
Melting
ice
sheets
and
glaciers
caused
the
sea
level
to
rise
and
flood
the
land
bridge.
A
QuickTime
...
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Choosing & Using this resource...
Educational standards associated with this resource:
National Science Education Standards (NSES): Read
Related resources and collections
This resource is included in the following collections:
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