is there any body can help me to write an outline for the research ...
http://www.google.com.hk/search?complete...
Hong Kong is rated as the city 40% more dirtier than your US city, Los Angels (the most polluted city in North America)
Compare to venus greenhouse gas.
http://www.smh.com.au/articles/2007/11/2... See if it just a natural accurance and when the sun was smaller was the venus livable? Or is the expanding sun leading us down the same path.
Also look at the Van Allen Radiation Belt
Just added some variables that you may not have thought of.
