presentation global warming final draft

7/31/2019 Presentation Global Warming Final Draft

http://slidepdf.com/reader/full/presentation-global-warming-final-draft 1/31

How furthering mankind affects theworld around us

By Alex Shear



The increase in the average temperature ofEarth’s near-surface air and oceans since themid-20th century and its projected continuation

Global surface temperature increasedby 0.74 ± 0.18 °C (1.33 ± 0.32 °F)

Melts polar icecaps

Leads to death of flora and fauna

Causes rise in sea level, inundating some islandnations slowly



Climate encompasses the statistics oftemperature, humidity, atmospheric pressure,wind, rainfall, atmospheric particle count and

other meteorological elemental measurementsin a given region over a long time.

Weather is the present condition of these sameelements over a shorter period of time.



GLOBAL WARMING OZONE DEPLETION

Troposphere

Warms Troposphere

H2O, CO2, CH4, etc.

Traps terrestrial thermalinfrared

Less infrared out meansmore heat introposphere

Stratosphere

Cools Stratosphere

CFCs and NitrousOxides

Reduces ozone

Less ozone means moreUV radiation



Gases in atmosphere that absorbs and emitsradiation within the thermal infrared range

H2O (water)

CO2 (carbon dioxide) CH4 (methane)

NO2 (nitrous oxide)

O3 (ozone)

Since the industrial revolution GHGs in theatmosphere have increased from 280 ppm to390 ppm (71% increase)



The release of methane gas from arctic tundraand wetlands

Expiration of carbon dioxide by breathing

Regional fluctuations in water vapor (clouds)



Methane

Landfills

Grazing Livestock

Nitrous Oxide Fertilizers

Carbon Dioxide

Burning of Fossil Fuels Deforestation



Organic compound that contains carbon,chlorine, and fluorine, produced as a volatilederivative of methane and ethane.

Many CFCs have been widely used asrefrigerants, propellants (in aerosolapplications), and solvents.

More commonly associated with ozonedepletion, but still a factor of global warming



People of course. Is our impact on the environment selfish,or sadly necessary?



Currently 7B people worldwide

+2 people/second

+200K people/day

+80M people/year This growth comes with responsibilities to

humanity, as a price



Food

Energy

Water

Shelter



The world population is predicted to be 9B by2050

Roughly 3B more people in 40 years

This is greater than the current populations ofEurope, Africa, and both North and South America

Unavoidable

Not case of people having huge families, rather a lot

of people doing what comes natural

Human Reproduction Rate >> FoodProduction Rate



“The Power of thepopulation isindefinitely greaterthan the power in theearth to producesubsistence for man.”

Exponential vs.

Arithmetic



Based on NASA International Space Stationdata, man needs 2.5 L daily

Earth is 70% water (salt and fresh), 2.5% fresh

water, of which only 1% is accessible. Most is frozen in the icecaps

Need water for industry and agriculture aswell as consumption

Contributes to global temperature hikes



Desalination Plants

Good idea in theory but has negative results for theenvironment

Expensive Enormous Energy Dependence (Greater production of

GHGs)

Damaging Byproducts Released into the Sea



30-40% of land surface is used for agriculture tofeed the populous

Leads to deforestation in some cases, which has a

direct effect on carbon dioxide regulation This is nearly all the usable land

Need to double amount of food in next 40 years

Need to raise productivity because theresimply isn’t enough land to provide even thebasic requirements to the world

4-5K calories or 820 grams of dry foodstuffs



Use of synthetic fertilizers releases harmfulGHGs into the atmosphere (Nitrogen-Oxidegases)

Industrialization of food production alsoaffects the release of carbon dioxide and usageof fossil fuels



People require a minimum amount of energy

Fossil Fuels are most used

Oil in particular

85M barrels/day and increasing yearly Provides much needed fertilizers, pesticides

and mechanizations necessary for food

production



Moral obligation, as most intelligent species toprotect and preserve nature and all life

Self interest, the more we destroy the

environment, the more we threaten our chanceof survival



Human Impact [I] = Population [P] x Affluence[A] x Technology [T]

P measured with census information

A measured by global GDP rates T measured with world patent office applications

Since 1900 world GDP and the number ofpatent applications have grown even faster

than population More environmental damage in steadily decreasing

time frames



Stop consuming so many natural resources

Recycle and repopulate

Change our technology

Wind, solar, geothermal and biologic energy sources Clean

Reduce population growth

Hard to do because human morality plays such avital role



Resources are finite

Even if we cut back on certain destructiveprocesses, population growth will still take

over in the end That is to say that eventually we won’t be able to

sustain ourselves

In an attempt to preserve our wellbeing we

subsequently cause our demise We truly shape the future of the earth



Asplund, Richard W. Profiting form Clean Energy. Hoboken, John Wiley & Sons, Inc., 2008 Asplund’s book offers insight on alternative fuels and energy sources. It is mainly an investors book,

but it shows what goes into the production of human necessities. The Causes of Global Warming and the Solution. Global Warming and the Solution. 2011. 28 Apr.

2011 http://wwwl.causesofglobalwarming.net/ This site offered a wide range of facts and graphs. It allowed me to gain an initial grasp of global

warming, its causes and its effects on the world Hawking, Stephen. The Universe in a Nutshell. New York: Bantam Books, 2001.

Hawking’s book, though primarily a theoretic al physics work, offers insight on the technological riseof the human race and the resultant effects on the planet “How Many People Can Live on Planet Earth.” BBC Horizon. Narr. David Attenborough. BBC. 2009 A BBC documentary pertaining to the living capacity of the planet, it offers many figures and facts on

the human impact. It was by far the most helpful of my sources. It offers an outlook on the tomorrowof man.

Kolbert, Elizabeth. “Enter the Age of Man.” National Geographic Mar. 2011: 60-85 The article deals with the new geologic epoch known as the Anthropocene which is categorized by the

permanent impact on global climate by man. It shows that even though we may be gone in the futurethe evidence of our existence will remain evident in what was left behind

Kunzig, Robert. “Population 7 Billion.” National Geographic Jan. 2011: 42-69 Part of an article series that addresses the growing population of the world and the stretching of the

constraits of comfortable existence. Offers a look at the coming storm of population threat and harshbut true solutions to the problem

Wikipedia. 2011. 28 Apr. 2011 http://www.wikipedia.org/ Use of this site was for general common knowledge of global warming and graphs

http://wwwl.causesofglobalwarming.net/


http://www.wikipedia.org/

http://www.wikipedia.org/


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