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Global Warming Global Warming
ByBy
Rafael Rio FerreiraRafael Rio Ferreira
June,19 Natal June,19 Natal- -RN RN
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T alking About T alking About
Global warming is a climatic phenomenonthat increases the world surface
temperature. Its caused by anexaggerated process of greenhouseeffect, which get worse because of thepollution process.
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Oz one Layer Oz one Layer
It prevents harmful ultraviolet radiations.Ozone Layer Hole first detected in
Antartic.Since that the layer is getting
thinner in a lot of parts arround the world.About 20 kilometers thick, this giantumbrella is made up of a layer of ozonegas.Lots of chemical substances damage theOzone Layer , contributing for the globalwarming.
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explain
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H armful Chemical substancesH armful Chemical substances
Most powerful substance:CFCs(Chlorofluorocarbons)Nitric and Nitrous OxideCO2,produced by burning fossil fuels likecoal and oilMethane
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P rejudices of Oz one Layer DestructionP rejudices of Oz one Layer Destruction
The principal consequence will be a greatincidence of skin cancer, unstable climate,which could harm delicate organisms,putting at risk all the food chain. Resultingtoo in a greenhouse effect
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explain
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Greenhouse Effect Greenhouse Effect
Incredibly, if Earth wasnt affected by thegreenhouse effect, the life would be impossible.Probably without it, our planet would be like
Mars. Mars dont have a thick atmosphere toreflect the heat to itself, making the planet verycold.Therefore, the greenhouse effect generated bynature, is really good for the Earth andindispensable for keep life in the planet.
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Greenhouse Effect Greenhouse Effect
What is making the Greenhouse effect getworse, is the great level of pollution in the World,which is increasing year by year. These gases,like carbon dioxide, nitrous oxide and methane,are making a kind of extra protection, thatabsorbs the reflected infrared irradiationsemitted by earth and reflect it again, making theearth surface get almost twice as muchirradiations that are sent by the sun.Turning world hotter.
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Greenhouse Effect Greenhouse Effect
So, what really happen is that these gases dontallow the heat leave earth
explain
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explain
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Global Warming ConsequencesGlobal Warming Consequences
Heat waves and periods of unusually warmweather Arctic and Antarctic warming
Spreading diseaseEarlier spring arrivalPlant and animal range shifts and populationchangesCoral reef bleachingHeavy snowfalls, and flooding
Source: www.climatehotmap.org Source: www.climatehotmap.org
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Global Warming ConsequencesGlobal Warming Consequences
Increase of ocean water temperature, causingstrong storms like hurricanes .
Fast melting glaciers, could accelerate thewarming process, because less energy will bereflected by the earth surface.
Melting Glaciers, will increase the level of
oceans, sinking coastal areas.
Areas of Earth covered by ice is decreasing.
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Global Warming ConsequencesGlobal Warming Consequences
Vegetation areas will die and Deserts will appear
A great change of climate will harm delicateecosystems, killing thousands of species andputting at risk all the food chain
Droughts and fires
Amazon could lose 10 to 25 percent of it forest
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Global Warming ConsequencesGlobal Warming Consequences
Lots of polar and sea species willbecome extinct because of the meltingglaciers
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P enguins migrating because of the intense heatP enguins migrating because of the intense heat
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K yoto P rotocol K yoto P rotocol
Was adopted in Kyoto, Japan, on 11 December 1997 and entered into force on 16 February2005. 184 Parties of the Convention haveratified its Protocol to date.
The Kyoto Protocol is a legally bindingagreement under which industrialized countrieswill reduce their collective emissions of greenhouse gases by 5.2% compared to theyear 1990 (but note that, compared to theemissions levels that would be expected by2010 without the Protocol, this target representsa 29% cut).
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K yoto P rotocol K yoto P rotocol
To be in force,55 ratifications have to be sign.Just in 2004 it happen, after Russia sign thedocument. Today more than 100 countriesratified the document, but the US, the biggestemitter of greenhouse gases in the world didnthave sign it. The US said that if they had done it,they would be harming the country economy
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Country Emissions(Gg) Percentage
Germany 1.012.443 7,4Australia 288.965 2,1
Austria 59.200 0,4
Belgium 113.405 0,8
Bulgaria 82.990 0,6
Canada 457.441 3,3
Denmak 52.100 0,4Slovakia 58.278 0,4
Spain 260.654 1,9
USA 4.957.022 36,1
Estonia 37.797 0,3
Russian Federation 2.388.720 17,4
Finland 53.900 0,4France 366.536 2,7
Greece 82.100 0,6
Hungary 71.673 0,5
Ireland 30.719 0,2
Iceland 2.172 0,0
Ialy 428.941 3,1Japan 1.173.360 8,5
Latvia 22.976 0,2
Liechtenstein 208 0,0
Luxemburgo 11.343 0,1
Monaco 71 0,0
Noruega 35.533 0,3
New Zealand 25.530 0,2
Netherlands 167.600 1,2
Poland 414.930 3,0
Portugal 42.148 0,3
United Kingdom of Great Britainand Northern Ireland
584.078 4,3
Czech Republic 169.514 1,2
Romania 171.103 1,2
Sweden 61.256 0,4
Switzerland 43.600 0,3
Total 13.728.306 100,0
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Bush X ObamaBush X Obama
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ush X O bamaBush X O bama
During Bushs candidacy, the US never agreed with the Kyoto Protocol
Obama promised to reduce greenhousegases, but he didnt do anything about ityet.
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Ways to reduce Global Warming Ways to reduce Global Warming
Reduce the consumption of fossil fuels,and increase the consumption of biofuels
Control system in industries to reducegases emitionEnlarge the use of renewable energy
Stop practice burnings in forests, plantingmore trees
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