Dr Genevieve Gabb is a Senior Staff Specialist in General Medicine at the Royal Adelaide Hospital in Australia; she also works at the Veterans Heart Clinic, Repatriation General Hospital, Daw Park, in ambulatory cardiovascular medicine. Genevieve has an interest in drug safety, particularly in relation to medicines commonly used in the prevention and treatment of cardiovascular disease
We have scientific consensus that global temperatures are rising. Despite this, debate and argument continues about whether global warming is occurring, the extent, possible causes and potential solutions to the problem.
In early January 2013, as this debate continued to rage, the Australian Bureau of Meteorology was confronted with a dilemma. Forecast temperatures were so extreme that they exceeded the colour range available for its isotherm charts. Isotherm charts are used to indicate temperature across the continent, and have lines that join points of equal temperature. Different colours, starting with cool blues; increasing to yellows and a deep burnt orange are used to show areas of similar temperature. An ominous, solid black topped the scale, indicating a temperature of 50 degrees Celsius. ...continue reading