On April 22 (Earth Day) of 1998, the warmest year that had yet been observed, my co-authors and I published the now famous “hockey stick” curve ... have as much as 40% less carbon to burn ...

The graph depicting this result looked rather like a hockey stick: After a long period of relatively minor temperature variations (the "shaft"), it showed a sharp mercury upswing during the last ...

A good marksman takes pride in selecting the hockey stick with just the right curve of the blade. There was a time, however, when hockey sticks never had a curve. The sticks were made of wood and ...