#Meaningful Quotes #Powerful Quotes #Effort Quotes
Source : Patricia Gaffney (2000). “The Saving Graces”, Large Print Press
Source : Harry Mulisch (2011). “The Assault”, p.43, Pantheon
Aldo Leopold
Author
David R. Brower
Environmentalist
Garrett Hardin
Ecologist
Paul R. Ehrlich
Population Biologist
Rachel Carson
Marine biologist
Sonia Johnson
Writer
Vladimir Vernadsky
Mineralogist