Herendeen, Robert A
Ecological numeracy: quantitatif analysis of environmental issues/Robert A. Herendeen
John Wiley & Sons, 1998
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Santos, Filipe Duarte
Humans on earth : from origins to possible futures
Springer, 2012
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Mendonca, Angela, editor
Natural resources, sustainability and humanity : a comprehensive view
Springer, 2012
 eBooks
McLaurin, Brett T.
Reconstructing human-landscape interactions – volume 1 : interpreting desert and fluvial environments
Springer, 2012
 eBooks
Environmentalism
Routledge, 1993
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