Here are the links to Lego Education for the Green City Challenge:
http://www.legoeducation.us/eng/product/green_city_challenge_set/2046
http://www.legoeducation.us/eng/product/green_city_challenge_activity_pack/2102
http://www.legoeducation.us/eng/product/green_city_challenge_combo_pack/2045
This book is the first that I have seen that is designed for the the Lego Education resource set
LEGO MINDSTORMS NXT: Mars Base Command (Technology in Action)
James Floyd Kelly
I have a copy but have not started it.