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  A comment on Conversation: What do you think is the biggest technological challenge the human race will face in the next 30 years?

  Jun 29 2012: Three major fields:
  
  1. Geotechnology - including GIS, GPS and remote sensing technologies. They will allow us to understand the Earth's systems, make early warning systems for environmental change, analyze traffic, demographic and hopefully as many complex systems of the biophysical and the socioeconomic dimensions.
  
  2. Nanotechnology - May applications here, mainly is the ability of building micro robots that can for example eat through oil molecules but more importantly enter the human body to do exploratory and repair work.
  
  3. Biotechnology - the ability to manipulate genomes, combine characteristics of certain species, create improved crop varieties, and maybe even create cells, organs, and even organisms.