Keystone XL may not be that important to the American economy, but it's absolutely critical for Canada.
Watch Hillary Clinton present an imaginary conversation between Putin and — well, another familiar voice.
Now that the U.S. and China are stepping up on climate change, will developing nations do their part?
Data on polar bears' shrinking numbers may be enough to place the bears on the endangered species list.
Learn more about the alleged Canadian Parliament shooter.
See Kevin Vickers receive a hero's welcome upon his return to Parliament.
Get the latest on the situation in Ottawa.
Get the latest on the shooting that rocked Ottawa on Wednesday.
After the shooting in Ottawa this morning, both U.S. and Canadian air defense teams were put on high alert.
The Canadian Parliament building in Ottawa went into lockdown on Wednesday after an attack from as many as three gunmen.
By Curtis Tate, McClatchy Washington Bureau CHICAGO — Canadian safety investigators on Tuesday blamed a “weak safety culture” and inadequate government oversight for a crude oil train derailment last year in Lac-Megantic, Quebec, that killed ...
By David Hasemyer, InsideClimate News The wild grass is only now beginning to hide the scar left by the giant ditch digger that gouged a trench though Ron Kardos’ Oceola Township, Michigan, pasture last year ...