The protest might have petered out had not snipers in plain clothes, assumed to be security men loyal to Mr Saleh, fired into crowds in the capital on March 18th, killing some 50 people.
Moscow's iconic and imposing State University, perched on a hill overlooking the city, all but disappeared into the darkness as the city took part in the protest.
To restore coastal habitat, for example, the report advises using strategic dredging and river diversions to rebuild the rapidly disappearing wetlands of the Mississippi Delta.