Canada

As campers and picnickers head outdoors in greater numbers for the summer season, many government agencies are urging them to not bring their own firewood.

Report details how fewer sawmills in the US and Canada see higher production of wood products.

New U.S. refineries will process crude oil from Canada's Tar Sands, which means that much of the pollution associated with that refining will occur in the lower 48.

The Gulf waters off of Louisiana aren't the only US area burdened by a "dead zone." There are similar, smaller areas with short- or long-term oxygen depletion off the shores of 20 states, as well as Canada and Mexico.

Energy issues and policy north of the US border are heating up in intriguing ways, with potentially significant effects throughout North America.