What do you think is going to become the biggest challenge for engineers in the future?

Question: What do you think is going to become the biggest challenge for engineers in the future?
- Keywords:
  challenge,
  future,
  goal
Asked by madalinaf to Ben, Dan, Samer on 17 Jun 2013.
- Ben Drumm answered on 17 Jun 2013:
  
  Energy – there are only finite amounts of fossil fuels, and with global warming being something we probably ought to do something about we are going to have to rethink how we source our electricity/power i.e. make it sustainable/carbon neutral. Engineering will play a key role in whatever that solution is…

Question: What do you think is going to become the biggest challenge for engineers in the future?