Motivations 3: Earth system services
The earth system provides many crucial services essential to the wealth and health of human society. It provides both the climate and the platform on which we live, the mineral, energy and groundwater resources on which we depend and increasingly a repository for our wastes. 
Motivations 2: Children of the revolution
As the children of the plate tectonic revolution, today’s geoscientists have grown up with a zeal to understand the basic workings of our planet. There are many remarkable testimonies to the success of plate tectonics including declining discovery rates of large mineral resources. 
Motivations 1: Lessons for an uncertain future
About 13,000 years ago, as their land was drowning, the last Vicmanians were confronted a terrible choice. Through human induced climate change we are now committing a similar fate. Unlike the Vicmanians, in foreseeing the future we can do something about it .