A lone gunman walked into a midtown Manhattan office building Monday and opened fire, killing four people, including an NYPD officer, before turning the gun on himself.

Reducing risk and managing beneficial fires require co-ordinated action from governments, communities and individuals.

Forest managers repeatedly burned and thinned fuels across the zone that the Dragon Bravo Fire torched. But Grand Canyon treatments were years old.

If state funding for forest health and wildfire prevention isn’t ramped back up in the next legislative session, it could hinder efforts to prevent severe fires in the coming years, Washington’s top ...