Aedbh
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Transcript of Aedbh
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AGENDA 21- COLEGIO VIZCAYA
2011-12
AZTARNA EKOLOGIKOA
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LURRAN
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6.000 MILIOI PERTSONA BIZI GARA
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Jaiotzean, bakoitzari
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Lur zati bat dagokigu
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• 1,7 Ha pertsoneko da tokatzen zaigun eremua, gutxi gora behera 2 futbol zelai
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• Actualmente los vascos estamos usando 2,8 Ha es decir, más de 4 campos de fútbol, eso supone que para que todos vivamos así necesitaríamos 2 planetas.
• Se llama HUELLA ECOLÓGICA:
Un habitante de Euskadi necesita un promedio de 4,7 hectáreas (aproximadamente la superficie de 4,5 campos de fútbol) para satisfacer sus necesidades
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• Hau da, gure bizitza aurrera eramateko 4 futbol zelai erabiltzen ari gara,, ( erabiltzen dugun eremu honi aztarna ekologikoa deitzen diogu)
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Lur zati honetatik, bizitzeko eta gure bizitza erosoago izateko behar ditugun materialak aterako ditugu.
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Adibidez:
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Papera
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Zuhaitzetatik ateratzen dugu
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Zuhaitzek oxigenoa eta lurzorua garbitzen dute
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Eta zer gehiago ateratzen dugu Lur zati horretatik?
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• Gure etxeak eraikitzeko materialak
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Kaleetako baldosak
Karea, buztina… behar da
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Lur zati horretatik, etxean erabiltzen ditugun altzairuak ateratzen ditugu
Plastikozkoak edo egurrezkoak…
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Erabiltzen dugun ura:
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Horretarako uraren zikloa aprobetxatzen dugu
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Petroliotik…
– Erregaiak– Boligrafoak– Plastikozko fundak
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Supermerkatuetako poltsak
Jantziak( fibra sintetikoak )
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Arropak naturalak ere izan ahal dira
• Kotoizkoa
• Lanazkoak
• Zetazkoa
• Larruzkoa
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Jostailuak, bizikletak…
• Karbonozkoak
• Aluminiozkoak
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Lur zati honetatik jaten duguna ere
ateratzen da
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Eguzkiari esker,landarei bere
elikagaiak sor ditzakete
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Landarei esker, belarjaleak elika
dezakete
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Guzti honek, Lurraren biodibertsitate osoa agertzea posiblea egiten du.
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Gu barne
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Argia izateko: Energia elektrikoa behar dugu
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Energia elektrikoa izateko zentralak behar ditugu
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Hobe da zentral hauek berriztagarriak badira
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• Beste zentralak,atmosfera kutsatzen dute
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Are gehiago, 4,5 futbol zelai erabiltzen ari bagara…
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• Gure aztarna haztean, beste batzuen aztarna zapaltzen du eta horren ondorioz…
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Denok lagundu ahal dugu gure aztarna ez handitzen
• Adibidez gure ikastetxean…
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Hurrengo ohiturak praktikan ipintzen
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• Cuidar la biodiversidad
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• Cuidar la biodiversidad