It was one of the biggest outpourings of environmental activism that Seattle has seen since the WTO protests more than a decade ago.
At Freeway Park, a giant balloon shaped like an asthma inhaler floated above a sea of red shirts and banners from the Sierra Club. There was also a giant salmon puppet accompanied by schools of ailing herring and a sad-looking polar bear. And a white-haired lady dressed like Santa held a sign that said, "SAVE MY NORTH POLE."