US, Canada and Mexico pledge 50% of power from clean energy by 2025

Barack Obama, Justin Trudeau and Enrique Pena Nieto to announce new 'aggressive but achievable' goal at 'Three Amigos' summit in Ottawa

Barack Obama, Justin Trudeau and Enrique Pena Nieto will commit to a new regional clean power goal at a summit this week in Ottawa, the White House has said.

The leaders of the US, Canada and Mexico, meeting on Wednesday at the so-called "Three Amigos" summit, will pledge to have their countries produce 50% of their power by 2025 from hydropower, wind, solar and nuclear plants, carbon capture and storage, as well as from energy efficiency measures.