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PARLEM DE GAIA CHLOE CAMPBELL - MARINA DANIEL
QUI ÉS GAIA? Gaia, o Gea, és la deesa grega de la Terra, personifica la fertilitat de la Terra. És la versió grega de la Mare de la Naturalesa.
LA HIPÒTESI GAIA Alguns només la consideren una bella metàfora científica però no una veritable teoria. La hipòtesi Gaia interpreta globalment la natura com una interrelació complexa entre els sistemes ambientals (atmosfera, hidrosfera, geosfera…) fins a formar una espècie de superorganisme autoregulat.   Gaia és la suma d’una sèrie de processos de regulació dependents entre ells que elaboren una espècie de resposta planetària davant determinades tensions. L’escalfament global seria una reacció adaptativa del planeta sencer, com a resposta a les tensions ambientals. Gaia és un bon exemple de l’aplicació de la teoria de sistemes a la interpretació d’un fenomen complex.
QUI VA FORMULAR LA HIPÒTESI GAIA? La hipòtesi Gaia va ser formulada per primer cop el 1969, per l’eminent químic ambientalista James Lovelock. Lovelock ha esdevingut un dels comunicadors ambientals de més èxit. Els seus llibres són llegits per tot tipus de públic. Ha publicat multitud d’articles i llibres sobre Gaia: Gaia, una nova visió de la vida sobre la Terra (1979), Les edats de Gaia (1988) i La venjança de la Terra (2006). Aquest últim llibre parla de l’escalfament global en termes catastròfics, i propugna l’opció de l’energia nuclear com l’única alternativa possible a curt termini. Aquest posicionament ha generat una forta polèmica en el si de les organitzacions conservacionistes.

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Gaia

  • 1. PARLEM DE GAIA CHLOE CAMPBELL - MARINA DANIEL
  • 2. QUI ÉS GAIA? Gaia, o Gea, és la deesa grega de la Terra, personifica la fertilitat de la Terra. És la versió grega de la Mare de la Naturalesa.
  • 3. LA HIPÒTESI GAIA Alguns només la consideren una bella metàfora científica però no una veritable teoria. La hipòtesi Gaia interpreta globalment la natura com una interrelació complexa entre els sistemes ambientals (atmosfera, hidrosfera, geosfera…) fins a formar una espècie de superorganisme autoregulat. Gaia és la suma d’una sèrie de processos de regulació dependents entre ells que elaboren una espècie de resposta planetària davant determinades tensions. L’escalfament global seria una reacció adaptativa del planeta sencer, com a resposta a les tensions ambientals. Gaia és un bon exemple de l’aplicació de la teoria de sistemes a la interpretació d’un fenomen complex.
  • 4. QUI VA FORMULAR LA HIPÒTESI GAIA? La hipòtesi Gaia va ser formulada per primer cop el 1969, per l’eminent químic ambientalista James Lovelock. Lovelock ha esdevingut un dels comunicadors ambientals de més èxit. Els seus llibres són llegits per tot tipus de públic. Ha publicat multitud d’articles i llibres sobre Gaia: Gaia, una nova visió de la vida sobre la Terra (1979), Les edats de Gaia (1988) i La venjança de la Terra (2006). Aquest últim llibre parla de l’escalfament global en termes catastròfics, i propugna l’opció de l’energia nuclear com l’única alternativa possible a curt termini. Aquest posicionament ha generat una forta polèmica en el si de les organitzacions conservacionistes.