Increase in temperature
Increase in cloudiness?
CLOUD FEEDBACK
Reduced
greenhouse
effect
Decrease in cloudiness?
Increased
sunshine
Enhanced
greenhouse
effect
Reduced
sunshine
Which effect is
stronger depends
on the geographical
and vertical
distribution
of the decrease
in cloudiness
Which effect is
stronger depends
on the geographical
and vertical
distribution
of the increase
in cloudiness
Models predict both an increase and decrease in cloudiness, and both positive and negative cloud feedbacks.