The claims (e.g. here) that the Australian bush fires indicate a global warming “tipping point” has been passed and the earth is doomed are complete nonsense. There have been much larger fires in Australia in the past (e.g. here, here and here). Fires are a natural and necessary component in the life cycle of a forest.
“The current claim by many that human-caused climate change has made Australian bushfires worse is difficult to support, for a number of reasons. Bushfires (like wildfires elsewhere in the world) are a natural occurrence wherever there is strong seasonality in precipitation, with vegetation growing during the wet season and then becoming fuel for fire during the dry season.” click here
“As with California, green policies in Australia have worsened naturally occurring bush fires.” click here
“There’s no doubt that the dozen or more wildfires that have broken out in the state, including the Getty and Kincade fires, are serious. Firefighters are doing their best to try and contain these fires before any more serious damage occurs. But, playing the blame game on climate change does nothing for public safety whatsoever.” click here
“And against the picture painted by celebrities and the mainstream media that fires around the world are caused by economic growth, the truth is the opposite: the amount of land being burned is declining thanks to development, including urbanization.” click here
“The driest years in Brazil will have the most fires set by farmers,” the professor at the University of Alabama at Huntsville said in an email. “That isn’t a climate story, it’s normal agriculture in a country where 50 million people living in poverty are trying to survive.” click here