Advertiser: AUSTRALIA faces “a very dangerous decade or decades” as climate change increases the intensity of fires and lengthens the bushfire season, scientists and environmentalists warn. Research by the Australian Bureau of Meteorology and the CSIRO has found that bushfire seasons will start earlier, end slightly later and become more intense in coming decades. A climate study of south-east Australia by the agencies in 2007 found the number of days with “very high” or “extreme” fire …