World scientists' warning of a climate emergency

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      <subfield code="a">World scientists' warning of a climate emergency</subfield>
      <subfield code="c">William J. Ripple [et at.]</subfield>
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      <subfield code="a">Scientists have a moral obligation to clearly warn humanity of any catastrophic threat and to tell it like it is. On the basis of this obligation and the graphical indicators presented below, we declare, with more than 11,000 scientist signatories from around the world, clearly and unequivocally that planet Earth is facing a climate emergency.</subfield>
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      <subfield code="t">Review BioScience.- Washington, DC.: The American Institute of Biological Sciences (AIBS)</subfield>
      <subfield code="g"> Vol 70, nº 1; January 2020; 8-12 p.</subfield>
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