Fires in N.W.T., back to school after wildfires, butterfly drought, and more

Evacuees are arriving in Hay River, N.W.T. from multiple communities. Residents of Fort Providence are watching and waiting as a fast-moving wildfire bears down on their homes. The smoke is spreading to other parts of Canada.

And: In Newfoundland and Labrador, kids and families are trying to navigate the first days of school under the shadow of one of the province’s worst wildfire seasons — with classrooms destroyed and smoke in the air.

Also: Drought in Canada could be leaving Monarch butterflies hungry. New research shows they can’t get the nectar they need to fuel their migrations.

Plus: China hosts a summit with an eye to reorient the global trade map, earthquake recovery in Afghanistan, the possibilities of “open skies” in Canada, and more.