Hawking says Trump could 'push the Earth over the brink'
 

http://img-s-msn-com.akamaized.net/t...6&q=60&o=f&l=fStephen Hawking has warned that Donald Trump?s decision to withdraw from the Paris Agreement on climate change could ?push the Earth over the brink? and lead to a point where global warming is ?irreversible?.

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