CLIMATE
CHANGE
WHAT IS CLIMATE
CHANGE?
A CHANGE IN THE
AVERAGE CONDITIONS —
SUCH AS TEMPERATURE
AND RAINFALL — IN A
REGION OVER A LONG
PERIOD OF TIME.
EXAMPLE
Alaska's Muir glacier in August 1941 and August 2004. Significant changes occurred in the 63
years between these two photos. Credit: USGS
The greenhouse effect is the
process by which certain
gases in Earth's atmosphere
trap heat from the sun,
warming the planet's surface
and creating conditions
conducive to life.
EFFECTS OF GLOBAL WARMING
CLIMATE CHANGE
EL NIÑO
A CLIMATE
PHENOMENON
CHARACTERIZED BY
THE PERIODIC
WARMING OF OCEAN
WATERS IN THE
CENTRAL AND
EASTERN PACIFIC
OCEAN, ALONG THE
EQUATOR.
LA NIÑA
DEFINED BY COOLERTHAN-AVERAGE SEA
SURFACE
TEMPERATURES IN
THE CENTRAL AND
EASTERN PACIFIC
OCEAN
ACTIVITY TIME!!!
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