The Hudson primer : the ecology of an iconic river [E-Book] /  

Strayer, David Lowell
2012

Our dying planet : an ecologist's view of the crisis we face [E-Book] /  

Sale, Peter F.
2011

The environment and world history / [E-Book]  

Burke, Edmund
2009

The unending frontier : an environmental history of the early modern world [E-Book] /  

Richards, John F.
2003