Green mars takes place some time after red mars and describes the breakdown in relationships between the earth and the martian colonizers mars is slowly becoming green as saxs terraforming is starting to bear fruit but the earth wishes to exercise increased control over their colony and this creates an explosive situation. In the nebula award winning red mars kim stanley robinson began his critically acclaimed epic saga of the colonization of mars now the hugo award winning green mars continues the thrilling and timeless tale of humanitys struggle to survive at its farthest frontier. First of all this green mars is the 2nd book of the trilogy not as i expected the third red blue green just seemed more sensible to me especially with red being the dry mars and hence blue wuld be the wet mars followed by green the living mars. Green mars takes its title from the stage of terraforming that has allowed plants to grow it picks up the story 50 years after the events of red mars in the dawn of the 22nd century following the lives of the remaining first hundred and their children and grandchildren