G
lobal
C
ommons
C
limate change
: How much does it matter
what we do
?
What is
global warming
? How
is there a threshold
?
Is there sufficient
evidence for elevated levels
of
atmospheric carbon
?
How
do we know
what
drives global warming
?
Solutions
to this situation.
Intergovernmental Panel on Climate Change, (
IPCC
)
findings
.
Abrupt climate change
;
the detailed risks
.
Since
climate change
is a
global problem
, What
can we really do
?
Hansen,
2004
Hansen,
2006
Emissions 2013
Recent Global Warming