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