[1
]School of Forestry & Environmental Studies and Macmillan Center, Yale University,
New Haven, CT, USA
[2
]Department of Political Science, University of Toronto, Toronto, Ontario, Canada
[3
]Faculty of Arts and Social Sciences, The Open University, Milton Keynes, UK
[4
]George Mason University, Fairfax, VA, USA
[5
]Radboud University, Nijmegen, the Netherlands
[6
]School of Geography, Politics and Sociology, Newcastle University, Newcastle upon
Tyne, UK