global warming facts | brian yusem
TRANSCRIPT
GLOBAL WARMING CAUSES
The atmosphere has a natural supply of "greenhouse gases“
the planet would be
an
frozenuninhabitable, wasteland.
Over the past 300 years, people
started emitting large amounts of
greenhouse gases
More and more fossil fuels were burnedMore and more
fossil fuels are being burned
to run our cars…
trucks
Trucks
Planes
Planes
And
FACTORIES
the difference in global average temperatures between modern times
and the last ice age
DISAPPEARING
Arctic ice is rapidly
Glaciers and mountain snows are rapidly melting
Glaciers and mountains
areslowly melting.
Coral reefs
which are highly sensitive to small changes in water temperature
Suffered the worst bleaching-or die-off in response to stress- ever
recorded in 1998
And we are all affected And we are
allbeing affected.
Thank You