This document discusses global warming, including its causes such as increased carbon dioxide emissions from burning fossil fuels and deforestation, and potential effects like rising sea levels and species extinction. It notes that while CO2 occurs naturally, human activities like burning fossil fuels have increased its concentration in the atmosphere. The document also outlines some solutions to reduce global warming like planting trees, reducing energy usage, and using alternatives to fossil fuels.

1. Why should we
concerned about
Global Warming?
Presented by : Group 3 (Small Group)
Claire Gabrielle Sagaral
Ma. Winelgen A. Rafols
Adams Joshua Caberte
John Jaizon Babia

2. Introduction:
What is global warming?
O The global temperature increase the earth’s
surface.
O theory that we as humans are increasing greenhouse
gases (the layer of gases that catches the sun’s rays
and heats the earth) through industrialization causing
more gases and increasing the amount of sunlight
that gets caught and heats the Earth.
O increase of Earth's average surface temperature due
to effect of greenhouse gases, such as carbon
dioxide emissions from burning fossil fuels or from
deforestation, which trap heat that would otherwise
escape from Earth.

3. Possible Causes
Note: the pictures shown in this
presentation would stand as the
evidence

4. Possible Causes:
O The increase in the amount of Carbon
Dioxide released into the atmosphere
especially on a coal power plant.
-It makes little sense to ignore the emissions
of CO2 in the flue gas from a coal power plant
while removing CO2 from ambient air where it is
300 times more dilute. The assessment
estimates that removing CO2 from the flue gas
of a coal power plant would be seven or more
times less expensive.

5. Possible Causes:
O C02 and other gases are released into
the atmosphere by the burning of fossil
fuels
-While CO2 is naturally occurring, its concentration is
rapidly increasing because of the burning of Fossil
fuels - coal, oil and gas. Human activity is not only
producing more CO2 but it is also severely damaging
the ability of the earth to absorb carbon via its carbon
sinks - oceanic plankton and forests.

6. Possible Causes:
O Use of Chemical Fertilizers
-farmers began to use pesticides in large
doses to increase the productivity, causing
unimaginable damage to the fertility of the
soil and destroying the micro nutrients in it.
The hybrid variety of crops intended to
boost productivity could not resist pests.

7. Possible Causes:
O Deforestation
- happening worldwide at an alarming rate
and the rapid loss of green cover is a major
matter of concern

8. Possible Effects
Note: the pictures shown in this
presentation would stand as the
evidence

9. Possible Effects:
O Increase in temperature
-Earth has warmed steadily during the past
century with dramatic increases in the last
two decades. Earth is now warmer than it
has been in the last 1000 years. One reason
for this temperature increase is that human
activity has resulted in more greenhouse
gases that trap energy and heat in the lower
atmosphere.

10. Possible Effects:
O Rising sea levels
- When ice melt at the poles will be the
largest contributor to rising sea levels

11. Possible Effects:
O Extinction
- Government reports over recent years
have been claiming imminent extinction
threats of polar bears due to the effects of
global warming

12. Possible Effects:
O Droughts
- Global warming causes less rainfall due to
drought, but also other plants trying to grow
up.

13. Viewpoints held about global
warming
O The National Research Council of the
National Academy of Sciences held two
days of discussions on the
controversial issue of crop
biotechnology as it collects
information for a spring 2016 report.
The ad-hoc committee of 18 scientists
is pledged to take “a science-based
look at genetically-engineered
crops.” Will it do that? The first two
days were not encouraging.

14. Solutions or ways to lessen
GlobalWarming:
Plant more trees.
Reduse, Re-use, Recycle
Switch off light when not needed.
Conserve energy

15. Solutions or ways to
lessen Global Warming
Adjust thr thermosat
Use bike for conservig energy
Ditch the plastic
Use compact flourescent bulbs

16. Conclusion:
Global Warming is the increase of the earth’s
surface in our everyday life. As we live and
wake up everyday, we cannot deny the fact that
we need energy to live but it didn’t mean to
abuse these energies. As we humans, we must
protect our earth; the thing that keeps us alive,
the things that is really useful to us. We don’t
even know on what we are the one’s who really
is the problem. Instead of taking care of our
resources were abusing them. If we don’t stop
these activities , we might wake up someday
facing the fact that the earth is dying.

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