Daily Gazette: The United States and Mexico will commit to joining Canada in boosting their use of wind, solar and other carbon-free sources of electricity, helping North America meet an ambitious goal of generating at least 50 percent of its energy from "clean" sources by 2025.
The pledge is set to be made as part of a trilateral summit of North American leaders Wednesday in Ottawa, where the U.K.'s decision to leave the European Union is likely to consume much of the agenda. The meeting will also focus on...