A dozen or so men and women, cinched into life jackets, paddles at the ready, were about to launch their kayaks into Elliott Bay early Thursday evening with Seattle’s glittering skyline as the backdrop. For some of the paddlers, it was a first-time experience, and with the water at 50 degrees and choppy, there were some obvious signs of trepidation. “O.K., what hazards are we watching for?” Elizabeth Chiaravalli, their instructor, shouted, and a smattering of answers immediately bounced back. “The waves!” “The dock!” “The pilings!” Then Cynthia Orr, a 67-year-old mental health counselor, spoke up. “Shell Oil!” she cried, standing by her boat. Her fellow kayakers — or kayaktivists, as they call themselves […]