Notes added 22 September 2014 A sensible chap call Alex Epstein had his very own counterflow march in New York:
Here is an example of a child being used as a political weapon on the march in New York:
This pic and many more at: http://grist.org/climate-energy/meet-a-climate-marcher/
If you really want insight into just about anything at all, get a statistician to take a look at it. Here are some insights from Matt Briggs who took a look at the march in New York, and tried to engage with some of the marchers: http://wmbriggs.com/blog/?p=13644 Basically, he found a lot of people who did not really know what they were supporting, but came along anyway.
For the hard-left (and billionaires) at the march, see: http://donsurber.blogspot.co.uk/2014/09/commies-and-billionaires-march-against.html
A report on the London march, and the mess the marchers left behind them: http://www.breitbart.com/Breitbart-London/2014/09/22/Climate-March-London-Piles-of-Placards
Note added 24 September 2014 Report from the
and 'Children were encouraged to hang out in the protest’s kid-friendly zone, where they could draw their own signs promoting “revolution.”'