director of publication Nick Nuttall. -- Nairobi : UNEP, 2013.

137 p.; 27 cm.

ISBN 978-92-807-3322-8.

Incluye referencias bibliográficas.

Contenido: Foreword -- Preface -- A word from the editors -- Acknowledgments -- Our world and its challenges today -- Earth systems -- Drivers -- Atmosphere -- Land -- Water -- Biodiversity -- Chemicals and wastes -- Global problems call for global solutions -- The future we want! -- Countdown to change.