Philosophy of technology and geoengineering / Dane Scott -- Geoengineering and the sacred : a brief history in four characters / Bronislaw Szerscynski -- A history of weather and climate control / James Rodgers Fleming -- Nitrogen geoengineering / Oliver Morton -- Can emergency geoengineering really prevent climate tipping points? / Timothy M. Lenton -- The economics of climate engineering / Juan B. Moreno-Cruz, Katharine L. Ricke and Gernot Wagner -- Framing geoengineering assessments / Rob Bellamy -- Public perceptions of geoengineering / Rose Cairns -- Geoengineering and the inexact science of communication / Jeff Tollefson -- "This is God's stuff we're messing with" : geoengineering as a religious issue / Wylie Carr -- The ethical dimensions of geoengineering : solar radiation management through sulphate particle injection / Nancy Tuana -- The early evolution of climate engineering research / Mark G. Lawrence and Paul J. Crutzen -- Use of models, analogs and field-tests for geoengineering research / Alan Robock and Ben Kravitz -- Past forays into SRM field research and implications for future governance / Jack Doughty -- Village science meets global discourse : the Haida Salmon Restoration Corporation's ocean iron fertilization experiment / Holly Jean Buck -- Capturing the imagination : prospects for direct air capture as a climate measure / Duncan McLaren -- The emergence of the geoengineering debate within the IPCC / Arthur Petersen -- The international legal framework for climate engineering / Jesse Reynolds -- Why the UNFCCC and CBD should refrain from regulating solar climate engineering / Jesse Reynolds -- Solar geoengineering and the problem of liability / Joshua B. Horton, Andy Parker and David Keith -- Managing climate risks in Africa : the role of geoengineering / Mulugeta Mengist Ayalew and Florent Gasc -- A Chinese perspective on solar geoengineering / Weili Weng and Ying Chen -- Climate engineering and small island states : panacea or vatastrophe? / Penehuro Fatu Lefale and Cheryl Lea Anderson -- Strange bedfellows : climate engineering politics in the United States / Simon Nicholson and Michael Thompson -- Geoengineering and the humanitarian challenge : what role for the most vulnerable? / Pablo Suarez, Bidisha Banerjee and Janot Mendler de Suarez -- Opposition to geoengineering : there's no place like H.O.M.E. / ETC Group -- Is solar geoengineering a US national security risk? / Chad Briggs -- Research ethics and geoengineering / David R. Morrow, Robert E. Kopp and Michael Oppenheimer -- A commentary on the Oxford principles / Tim Kruger -- Environmental institutions, international research programmes, and lessons for geoengineering research / Arunabha Ghosh -- The solar radiation management governance initiative : advancing the international governance of geoengineering research / Alex Hanafi and Steven P. Hamburg -- Foresight in climate engineering / Johannes Gabriel and Sean Low -- Towards the anticipatory governance of geoengineering / Rider W. Foley, David H. Guston and Daniel Sarewitz -- Geoengineering our climate into the future / Sean Low and Jason J. Blackstock