Climate change
18
-
Upload
julia-comas -
Category
Technology
-
view
386 -
download
1
Transcript of Climate change
� Climate change: refers to any significant change in measures of climate lasting for an extended period.
CLIMATE CANGE
Natural changes Human actions
Produced by
� Plate tectonics� Solar output� Volcanism� Oceans variability� Human influences
It is important and necessary for which the Earth is kept warm.
¿Why is it a problem?
Less than 1% of greenhouse gases (Methane, Carbon dioxide, Dioxide of nitrogen) they are vital.
But the proportion of these gases has
increased significantly.
Earth gases
78%
21% 1%
Nitrogen
Oxygen
Greenhouse gases
� How this increase affect?
Result: the global warming
�Vegetation
� Ice cores
�Dendrochronology
�Glacial geology
�Mosquitoes
�Sea level change