Assessing ``Dangerous Climate Change'': Required Reduction of Carbon Emissions to Protect Young People, Future Generations and Nature Hansen, James ; Kharecha, Pushker ; Sato, Makiko ; Masson-Delmotte, Valerie ; Ackerman, Frank ; Beerling, David J. ; Hearty, Paul J. ; Hoegh-Guldberg, Ove ; Hsu, Shi-Ling ; Parmesan, Camille ; Rockstrom, Johan ; Rohling, Eelco J. ; Sachs, Jeffrey ; Smith, Pete ; Steffen, Konrad ; Van Susteren, Lise ; von Schuckmann, Karina ; Zachos, James C. Abstract Publication: PLoS ONE Pub Date: December 2013 DOI: 10.1371/journal.pone.0081648 Bibcode: 2013PLoSO...881648H