PEZ readers may remember my Colnago V3 project bike with Ultegra R8000: “The shifting is light, crisp, and sure. Dura Ace is supposed to be better, but I’m not sure how much better it can be (at least ...

A welder this month at the Deep Sky carbon capture facility under construction in Innisfail, Alberta.Credit...Amber Bracken for The New York Times Supported by By David Gelles and Christopher ...