what made you to research the CO2 levels?

Question: what made you to research the CO2 levels?
- Keywords:
  co2,
  environment,
  research
Asked by kurousagi to John on 16 Mar 2012.
- John Prytherch answered on 16 Mar 2012:
  
  Because of global warming there is a lot of interest in understanding CO2 in the atmosphere and ocean. This seemed like an important thing to me, and also it gave me the opportunity to work at sea which I thought would be a lot of fun!

Question: what made you to research the CO2 levels?