THE DAY AFTER TOMORROW : IMPACT OF GLOBAL WARMING ON SOCIETY
Global warming refers to a gradual increase
in the overall temperature of the earth's
atmosphere generally attributed to the
greenhouse effect caused by increased
levels of carbon dioxide, CFCs, and other
1. Since 1971, 90% of the warming has occurred in
2. Since the early 20th century, the global air and sea
surface temperature has increased about 0.8 °C
3. Each of the last three decades has been
successively warmer at the Earth's surface than any
preceding decade since 1850.
Carbon dioxide emissions from fossil fuel burning power
Carbon dioxide emissions from burning gasoline for
Methane emissions from animals, agriculture such as rice
paddies, and from Arctic seabeds.
Deforestation , especially tropical forests for wood, pulp, and
Increase in usage of chemical fertilizers on croplands.
1. Greenhouse is a glass
house for keeping
2. It absorbs heat but
doesnot radiate it back
to the atmosphere.
3. greenhouse gases plays
the same role.
4. Global warming takes
place when these
accumulate in the
makes the average
temperature on Earth