Climate Change module 4  Over a decade ago, the Common gases that trap

(Society for the Conservation of idea of climate change radiation:

Philippine Wetlands, In may have seemed distant
 Methane
and obscured.
=What is Climate change?- it is  Carbon dioxide
 the vast majority of
the changes in our climate system  CFC's
scientists agree that
over a period of time. global warming is real, =Trend in CO2 concentration and
=Climate Change refers to a it’s already happening. global temperature
change of climate which is  We’re already seeing
changes. =The greenhouse effect
attributed directly or indirectly to
human activity that alters the  Glaciers are melting, WHAT ARE THE CONSEQUENCES
composition of the global plants and animals are OF CLIMATE CHANGE?
atmosphere and which is in being forced from their
habitat, and the number  Sea level rise due to
addition to natural climate
of severe storms and melting of polar ice
variability observed over
droughts is increasing.  Increased storminess
comparable time periods.- United
(hotter seawater will
Nations Framework Convention Consequences of heating of intensify storms)
on Climate Change the oceans  Droughts or flooding
*Change in climate brought about  Heating of seawater  Hotter sea makes
by the rise in global will disrupt weather hurricanes and typhoons
temperature; patterns. more intense
 Oceanic circulation  High water temperature
*the consequences are drought
will not follow usual disrupts normal water
and extreme precipitation rate,
paths or will weaken. circulation, consequently
storminess and sea level rise
 Distribution of heat weather patterns are
*How Earth keeps temperature that drives local changed
relatively constant? weather will be  Sea Level Rise
affected; droughts in  The estimated rise in sea
=The Heat Budget
places that are level as consequence of
=The Earth's heat budget is in normally melting of polar
balance since millions of years characterized by high ice is about 1 cm per
ago. precipitation and year. In the last century,
flooding in other sea level has risen about
=HOW: the interaction between 1/3 of a meter already.
parts.
the oceans and the atmosphere.  Sea level rise is not
Did you know that oceanic unique in our time, there
=The Heat Budget
circulation prevents some parts were similar episodes in
=The oceans play a major role in in Europe from freezing? the history of the planet
the heat transfer. yet this present one is at
=If normal circulation patterns,
=HOW: Seawater absorbs heat such as the Gulf Stream, are an accelerated rate (short
and oceanic circulation helps disrupted by an increase in span of time), and
dissipate heat absorbed by Earth temperature due to global perhaps the impacts
just as water-cooled warming, much of Europe will more severe, because of
engines/radiators help motor experience extremely cold human-induced causes.
engine from overheating. weather Productive coastal
ecosystems like corals,
*Oceanic currents and heat WHAT CAUSES CLIMATE seagrasses and
transport CHANGE?
 mangroves will be
inundated.
 It will affect adversely
coastal fisheries as these How to Address Climate
ecosystems are breeding, Change
nursery and feeding
grounds of many GLOBAL=Mitigate carbon
commercially important dioxide emission Carbon
fishes. sequestrationnge
 Marginal fisherfolks using
non-motorized boats will LOCAL=Enhance capacity of
be adversely affected ecosystems, e.g., forest
since they are limited capacity to absorb carbon
within municipal waters through reforestation
where the impacts of sea (carbon sinks).
level is most significant.
 El Nino and widespread Stop illegal logging;
death of corals Use of energy efficient
 Rise in temperature by as appliances/ tools/machines
much as 2 degrees
Celsius will result to
widespread coral
bleaching.
 We have seen this
happened during the
1997-1998 El Nino
episode.

Effects of CC to People

=Occurrence of cholera in
Bangladesh coincides with
periods of high water
temperature in Bay of Bengal
WHEN DO YOU SEND
=damage to properties GREENHOUSE GASES?

=Inundation of agricultural 
land or long dry spell- decline
in agricultural production

Impacts of Climate Change