Autores

Adam Nicolson

Ashley Ward

Bernd Heinrich

Beronda L. Montgomery

Bill McKibben

Britt Wray

Chris Packham

David Suzuki

Elli H. Radinger

Esther Woolfson

Helen Pilcher

James Aldred

Jasmin Graham

Jo Wimpenny

Joe Harkness

José Ramón De Camps

Luis Cappozzo

Megan McCubbin

Michael R. Canfield

Nate Blakeslee

Peter Marren

Ramón Grande del Brío

Rebecca Heisman

Rebecca Nesbit

Richard Girling

Richard Mabey

Richard Rhodes

Rick McIntyre

Sophia Kimmig

Ted Kerasote

Valeria Román

Varios autores

Wayne Grady