Futuros da tecnociência: novos desafios na geoengenharia solar
Palavras-chave:
tecnociência, Antropoceno, geoengenharia, mudanças climáticas, Grande AceleraçãoResumo
A emergência e propagação das tecnociências desde meados do século XX acelerou a transformação das esferas naturais, com um novo sistema interligado sobreposto a elas: a tecnosfera, formada por múltiplos objetos artificiais e suas diversas inter-relações, que representam uma grande parte dos riscos ambientais do nosso tempo. Este artigo explora sua expansão durante a Grande Aceleração socioeconômica do século XX a partir de dois aspectos da atividade tecnocientífica: o uso de simulações e a intervenção meteorológica. Ambas as práticas estão atualmente convergindo nas propostas de gestão da radiação solar (SRM), cujas pretensões são a modificação e regulação das condições atmosféricas a fim de reduzir o aquecimento global. Dada a atual crise climática e os avanços desta geoengenharia, afirmamos que existem fatores que dão origem ao possível aparecimento de futuras tecnociências climáticas, baseadas em iniciativas privadas e plataformas de pesquisa como a Future Earth. A previsão e a pré-avaliação dos riscos subjacentes são questões que devem ser antecipadas a partir dos estudos CTS e que, juntamente com outros desafios, compõem uma agenda de problemas em torno do Tecnoceno: a era do impacto global das tecnociências sobre o Sistema Terra.Downloads
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