*DRCLAS Brazil Studies Program Seminar* *Sustainability of the Amazon: Tradeoffs Between Environmental Change, Hydropower and River Alterations* *Mauricio E. Arias* Giorgio Ruffolo Post-doctoral Research Fellow in Sustainability Science, Organismic and Evolutionary Biology Department, Harvard University Thursday, April 30, 12:00 p.m. CGIS South Building, Room S-050, 1730 Cambridge Street, Cambridge *This event is free and open to the public, and registration is not required.A Brazilian lunch will be served.* www.drclas.harvard.edu