Blue Mars by Kim Stanley Robinson
2127. The Ross ice shelf has shattered due to volcanic activity and much of Antarctica's ice has fallen into the sea, raising global sea levels by seven metres. Three billion people - a fifth of the human race - have been displaced, triggering the greatest economic and humanitarian crisis in history. With Earth's governments and metanational corporations distracted, the colonists on Mars have launched their second revolution. The surviving remnants of the First Hundred - whose lives have been extended vastly by genetic treatments - are spearheading the revolution. Their hope is to forge a new relationship with Earth based on mutual respect and understanding, but to the teeming billions of Earth Mars is an escape route, a place to begin again. In the aftermath of revolution, a new way of existence has to be found if the human race is to prosper. Blue Mars is the third and concluding volume in Kim Stanley Robinson's epic Mars Trilogy , his account of the colonisation and ter...