Hotter, larger fires in Canada’s north means the boreal forest is at its carbon tipping point. In related news: US insurers and utilities pay the price for costlier wildfires; and day becomes night due to Amazon smoke. Elsewhere: a new study says lodgepole pine sends out SOS when beetles attack; and ENGO’s sue Trump over his Endangered Species Act rollback.

In Business news: no end in sight for Western Forest Products strike, as dispute arises over who pays for interim benefits. Meanwhile: Mountain Equipment Co-op’s flagship Vancouver store is a showcase for engineered wood, and mass timber grants are awarded to seven US colleges.

Finally, a chainsaw juggler seeks world record, and poo-clues for moose fare.

Kelly McCloskey, Tree Frog Editor