21/05/10 1 help me. 21/05/10 2 lifelong learning programme comenius right to the earth citizenship...
TRANSCRIPT
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HELP ME
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Lifelong Learning Programme
Comenius
Right to the earth CitizenshipNatural resources for a Sustainable Development
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To understand the To understand the human conditionhuman condition
" The poverty is the worst form of violence" Mahatma Gandhi, leader Indian pacifist
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The Map of the Hunger in the world: the percentage of the underfeeded - FAO source
Why has the Progress accented the distance between the poor and the rich instead of approaching them?
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A World without bordersA World without borders
More and more connected, more and
more informed..
..new forms of
aggregation
are born and
the possibility
that the poor
men also can
enjoy them.
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The world economy has brought comfort to
million people but..
..for others it has
meant cultural
isolation, separation
from their own
history and local
culture and new
forms of work
exploitation, above
all juvenile
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The Relationship The Relationship with the Naturewith the Nature
The Biodiversity
contributes in decisive
way to the life of the
planet through million of
genes that serve to
compose the living
structure, thousand of
plants and animals that
populate the earth and
innumerable organisms
that constitute the natural
ecosystems.
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Biodiversity is the insurance on the life of our Planet
..the gravity of the environmental crisis and the enormous catastrophes produced by the irrational and uncontrolled development of the human civilization....
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...are modifying in irreversible way the natural equilibriums that are at the base of the life on our Planet...
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Giving Energy to the Planet has a priceGiving Energy to the Planet has a priceTo win the challenge of the Climate: to break the dependence from the Carbon
The Map of the Energetic sources
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The car of the
human society,
like the car of the
nature, needs
energy to work,
that is for the
production of
goods, of
services, heating,
illumination, etc..
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The energy, easily
available and always
consumed in large
measure, doesn’t bring
comfort to our way of
living; it also involves
an alteration of the
environment on
planetary scale.
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We draw the energy of
our life need
exclusively from the
fossil fuels, that furnish
energy through the
process of combustion,
with the formation of
carbonic anhydride that
is responsible of the
slow heating for
greenhouse effect….
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provoking the so
called “Acid
rains"..
and the rising up
of numerous
illnesses and the
destruction of
whole ecosystems..
The processes of combustion produce
oxides of carbon, nitrogen oxides, oxides of
sulphur, hydrocarbons...
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Alterations to the sea environment are provoked by the oil-tankers
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The alternative is the Green Economy: the ecological economy based on a new model of development that opposes the “black” economic model based on fossil fuels.
La Green La Green EconomyEconomy
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The President of the United States Barack Obama has proposed for first a series of public and private economic measures to give a clean impulse to the development of the green economy.
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Energy from Energy from the Sunthe Sun
From the Sun derives the form of the most diffused energy on our planet, available anywhere, in a free way and in a superior quantity to the requirement of the whole humanity.
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ENERGIA SOLARE
The Sun makes all this.
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Characteristics of the Solar energyCharacteristics of the Solar energy
Solar Radiation Solar Radiation Spectrum and Spectrum and intensity of the intensity of the singol componentssingol components
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...the photovoltaic
energy that allows to
transform the"light"
of the Sun in Electric
Energy is the most
innovative and
promising one.
Among the different
technologies set for the
exploitation of the
solar energy
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It concerns of a source with negligible environmental impact:
For every produced kWh 250 grams of Combustible Oil are saved
You avoids the production of 0,75 Kg of carbonic anhydride for kWh
With an economic and environmental advantage
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The Potentialities of the Photovoltaic, from a recent Map elaborated by the European Community..........
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The main element : the The main element : the Photovoltaic CellPhotovoltaic Cell
Cell in single monocrystal silicon
Cell in polycrystal silicon
Cell in amorphous silicon
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section of a cell in Silicon.
The running :the photon penetrates inside the crystalline structure, it breaks the bonds that hold back the charges and releases them ….it happens the miracle….
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From the cell to the Photovoltaic generatorFrom the cell to the Photovoltaic generator
Cells in setsCells in sets
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A simplified scheme of the Photovoltaic installation in a house.
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Examples of Photovoltaic GeneratorsExamples of Photovoltaic Generators