1. Institute for Advanced Sustainability Studies (IASS)PotsdamGermany
2. John A. Paulson School of Engineering and Applied Sciences (SEAS)University of HarvardCambridgeMAUSA
3. Atmospheric Sciences and Global Change DivisionPacific Northwest National LaboratoryRichlandWAUSA
4. Department of GeosciencesUniversity of OsloOsloNorway