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Are the costs of global warming too high to ignore

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More intense rainstorms. Not all long-term effects can be determined. ... gamble, because at some unpredictable time and in some unforeseeable manner ... – PowerPoint PPT presentation

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Title: Are the costs of global warming too high to ignore


1
Are the costs of global warming too high to
ignore?
  • Presented by
  • Kathlene Thurman

2
  • Myth or Reality……

3
It is unlikely that human beings can really
influence the overall climate, because there are
a million tons of air for each person on earth,
or is there?
4
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5
  • If global warming is occurring, theres not much
    we can do about it or is there?

6
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7
  • If there is in fact some reduction in the ozone
    layer, the appropriate way to avoid additional
    cases of skin cancer would be to provide more
    sunglasses, more hats, and more suntan lotion or
    is there more to it?

8
Global Warming Debate
  • What effect will temperature increases have on
    human beings and the natural environment?
  • What, if anything, can we do to stop global
    warming?
  • What are the costs associated with either an
    increase in temperature, or human intervention to
    halt it?

9
Mother Nature or Human Nature?
10
Is this the start of global warming?
Will this trend continue?
If so, how quickly and where?

11
Is Global Warming a Time Bomb?
Snowmelt in Greenland
Is ice growth too slow, or Is ice melting too
fast?
12
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13
(No Transcript)
14
What are the causes of Global Warming?
  • Substances in the air which pose a potential
    threat to human health and/or the environment.
  • The presence of particles in the air which
    decreases visibility.
  • The U.S. EPA estimates that 50 of the US
    population is exposed to air pollutants exceeding
    current federal standards.

15
Has the industrial revolution produced
advancements that will ultimately ruin the very
world we have sought to improve?
  • Automobiles, other transportation devices
    produce
  • Carbon dioxide, nitrogen and sulfur oxides,
    products of incomplete combustion
  • Increases in greenhouse gases, acidic
    precipitation.

16
Effects of Air Pollution
  • Rising sea level
  • Change of precipitation local climate
    conditions acid rain
  • Alterations of forests crop yields
  • Expansion of deserts into existing rangelands
  • More intense rainstorms
  • Not all long-term effects can be determined.

17
Is this normal?
18
What can we do?
  • Solar Energy

Wind Power
Biomass
Geothermal
19
Human destiny is bound to remain a gamble,
because at some unpredictable time and in some
unforeseeable manner nature will strike back. 
Rene Dubos
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