Yes well I wonder how many 3rd world demonstraters have EU visas and the funds to travel.
I rather suspect the ethnic make up might be different were it being held in India or Taiwan
But then "Climate skeptics" fall into a bit of a group :
"More likely than average to be high income, well-educated, white men... much more likely to be very conservative Republicans... strongly endorse individualistic values, opposing any form of government intervention, anti-egalitarian, and almost universally prefer economic growth over environmental protection... have a specialized media diet, with a higher than average preference for media sources that reflect their own political point of view."
http://www.bbc.co.uk/...stions_about_sex.html