De guerras a robôs: Os 7 perigos que podem provocar uma catástrofe global:

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Séculos depois, dezenas

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A doença chegou até a China, parte do Oriente Médio e norte da África.

Os dois eventos resultaram na morte

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A GCF tem sede

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"É fácil se deixar confundir pelas aparentemente baixas probabilidades

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O documento da fundação faz uma análise dos sete principais riscos

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1. Mudança climática

O relatório afirma que "é impossível saber com exatidão qual é o nível

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Citando o Painel Intergovernamental sobre Mudanças Climáticas (IPCC), a fundação afirma que "os riscos da mudança climática oscilam entre alto e muito alto, com um aumento da temperatura média

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No texto, a GFC afirma que entre as consequências esperadas do aumento da temperatura estão o grande impacto sobre sistemas únicos ou ameaçados, a extinção substancial

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Segundo o relatório, o que parece um risco baixo no futuro próximo pode representar um perigo mais alto no longo prazo.

"O relatório Stern sobre os impactos econômicos da mudança climática sugere que a cada ano há 0,1%

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2. Guerra nuclear

Durante a crise dos mísseis

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Ao falar sobre esse episódio, o então presidente americano John F. Kennedy afirmou que estimava

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O relatório da GCF afirma que um conflito desse tipo geraria dois tipos

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O texto cita um relatório

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Nos dias

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No entanto, o relatório alerta que, por mais improvável que pareça, os riscos

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3. Pandemia natural

Nos últimos 300 anos foram registradas cerca

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Segundo o relatório da GCF, as facilidades para esse tipo

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No entanto, a melhora nas práticas sanitárias e

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O documento destaca que, segundo estimativas das autoridades britânicas, há uma probabilidade que varia entre 1 e 20 e entre 1 e 2

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As probabilidades

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Uma pesquisa que consultou especialistas afirma que há 15%

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4. Supervulcões

Alguns especialistas consideram que a erupção do vulcão Toba, na Indonésia, colocou a humanidade próxima da extinção cerca

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O vulcão é considerado um "supervulcão" por ser capaz

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Acredita-se que o grande volume

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O relatório da GCF destaca que alguns especialistas estimam que o desastre natural reduziu a população humana

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O texto cita um relatório da Sociedade Geológica

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No entanto, indica que é muito difícil haver estimativas sobre a possível erupção

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5. Asteroides e cometas

Os cientistas acreditam que há cerca

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Segundo o relatório da GCF, o impacto

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O texto cita uma pesquisa

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Consciente desse perigo, a Agência Espacial dos Estados Unidos, a Nasa, tem um sistema

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6. Vírus

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Em 2001, um grupo

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Essa descoberta acidental foi um lembrete à comunidade científica do risco

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"Existe uma possibilidade real

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O texto indica que até 2012 havia pelo menos 42 laboratórios dedicados à pesquisa com agentes patogênicos com potencial para causar pandemias.

"No longo prazo, se a biotecnologia avançar o suficiente e a síntese

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7. Inteligência artificial

Embora ainda pareça um assunto mais ligado à ficção científica, a possibilidade

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O relatório da GCF repete as previsões

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Uma vez que isso ocorra, os estudiosos estimam

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"Presumindo que se consiga desenvolver um sistema

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"Segundo a opinião dos especialistas consultados, há cerca

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Porém "a enorme incerteza que envolve estas estimativas (também) deve ser destacada", acrescentou o relatório.