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Publication
Status
Published
Date
May 2019
Volume
70
Issue
1
Pages
8 - 12
Title

World Scientists’ Warning of a Climate Emergency

Abstract

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.

Exactly 40 years ago, scientists from 50 nations met at the First World Climate Conference (in Geneva 1979) and agreed that alarming trends for climate change made it urgently necessary to act. Since then, similar alarms have been made through the 1992 Rio Summit, the 1997 Kyoto Protocol, and the 2015 Paris Agreement, as well as scores of other global assemblies and scientists’ explicit warnings of insufficient progress (Ripple et al. 2017). Yet greenhouse gas (GHG) emissions are still rapidly rising, with increasingly damaging effects on the Earth’s cli- mate. An immense increase of scale in endeavors to conserve our biosphere is needed to avoid untold suffering due to the climate crisis (IPCC 2018).

DOI: https://doi.org/10.1093/biosci/biz088

Citation

Ripple WJ, Wolf C, Newsome TM, Barnard P, Moomaw WR and 11,258 scientist signatories from 153 countries. 2019. World scientists’ warning of a climate emergency. BioScience. Published online 5 November 2019. https://academic.oup.com/bioscience/advance-article/doi/10.1093/biosci/biz088/5610806.

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