Surely not; 310,000 marched in NYC. Matt Sutkowski, writing about yesterday's global climate march, praises the intent if the marchers, but wonders if the momentum for policy change will be maintained - and will the politicians listen? He's got his doubts, and so do I. (Juan Cole's Informed Comment gives background on their effectiveness, with a little history about these protests.). It's all about momentum. Sustained momentum.
Because there's this, from the Guardian: