FinanceWoodside warns of $720m impairment over Canadian assetAustralian independent says full-year financials to include non-cash hit over Kitimat LNG and depressed gas market conditionsImpairment warning: Cranes work in the water at the Kitimat LNG site near Kitimat, in northwestern British ColumbiaPhoto: REUTERS/SCANPIXAnamaria DeduleasaLondon