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  The US dropped the first atomic bomb on a Japanese city, released unprecedented amounts of radiation into the world, and made some non radio active materials reactive.
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  was the first environmental union it brought together nations under a shared goal of helping our planet.
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  chemical incident in India released highly toxic gas and killed tons of people.
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  A reactor blew in Ukrain the whole world felt the effects from radiation spreading, as many radioactive elements were released into the atmosphere.
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  Treaty designed to protect of the ozone.
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  made to get member states to cooperate together internationally on development issues after the Cold War relating ti sustainability.
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  international treaty aimed to reduce carbon imissions.
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  Huge hurricane in US, killed and destroyed millions of people and homes, messed up environments all over.
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  Photo documentary of Minamata, Japan, a coastal city ravaged by mercury poisoning.