Casi dos décadas después, el proyecto que simbolizó la batalla medioambiental en Norteamérica reaparece como moneda de cambio en la guerra comercial entre Washington y Ottawa. La industria, mientras tanto, busca alternativas sin nombre tóxico

Canada hasn't commented on U.S. President Donald Trump's claim the Keystone XL pipeline expansion project "may be awoken from the grave" as part of ongoing trade talks between the…

U.S. President Donald Trump says the Keystone XL oil pipeline project "may be awoken from the grave." Experts suggest the remark may have more to do with politics than petroleum.