TY  - BOOK
AU  - Steffen,Alex
AU  - Bluestone,Carissa
TI  - Worldchanging, revised & updated: a user's guide for the 21st century 
SN  - 9780810997462 (alk. paper)
AV  - HC 79 W927 2011
U1  - 333.7 
PY  - 2011///
CY  - New York
PB  - Abrams
KW  - Environmentalism
KW  - Sustainable development
KW  - Green movement
KW  - Protección del medio ambiente
KW  - Medio ambiente
KW  - Ciencia y tecnología
KW  - Informes
N1  - Includes bibliographical references and index
ER  -